1. IcHTHYOPHIS.—-2. URAOTYPHLUB. 91 good. I have seen all the possible transitions between the two extreme positions of the tentacle ; the number of circular folds does not correspond with the position of the tentacle—one specimen with anterior tentacle having 270 folds, another, with the tentacle close to the eye, having 280.
2. Ichthyophis monochrous. (Puarz IV. fig. 1.) Ichthyophis glutinosus, var., Cantor, Cat. Mal. Rept. p. 187. Epicrium monochroum, Bleeker, Nat. Tydschr. Nederl. Ind. xvi. 1858, is 188; Giinth. Rep. Br: it, Ind. p. 448. Ichthyophis monochrous, Peters, Mon. ‘Berl, Ac. 1879, p. 932. Differs from J. glutinosus in the following characters :—Head shorter, the distance between the eyes being more than the length of the snout. Inner series of mandibular teeth indistinct, composed of a few teeth only. 235 to 360 circular folds, Uniform blackish brown or lead-coloured, without lateral band. Total length 330 millim.; greatest diameter of body 13 millim. Java, Borneo, Singapore, Malabar.
a, Adult. Sinkawang, W. Dr. Bleeker. Borneo, 6. Adult. Java.
e. Adult. Singapore. Dr. Cantor.
d, Adult. Malabar. Col. Beddome [C.]. e. Larva, large size. Malabar. Col. Beddome Cs. 2, URAOTYPHLUS.
Ceecilia, sp., Dum. & Bibr. viii. p. 274; Gray, Cat, p. 57; A. Dum. Mém. Soc, Cherb. ix. p. 311.
Ureeotyphlus, Peters, Mon. Berl. de. 1879, p. 938. Squamosals free from parietals*. Teeth small, numerous in jaws and palate; two scries in the lower jaw. yes visible. Tentacle cultriform, exsertile, below the nostril. Cycloid scales imbedded in the skin.
Kast Indies.
Synopsis of the Species.
Snout moderately prominent, its length equalling the distance between the eyes; about 200 circular folds............ 1. oxyurus, p. 92. Snout very prominent, measuring more than the distance between the eyes; 240 to 260 circular folds .......... 2. malabaricus, p. 92. Snout moderately prominent, its length equalling the distance between the eyes; 180 circular folds ..............05 3. africanus, p. 92. * U, africanus not examined.
92 CHCILLIDE.
1. Ureotyphlus oxyurus. (Prate V. fig. 2.)
Ceecilia oxyura, Gray, Cat. p. 58.
Ceecilia oxyura, Dum. & Bibr. p. 280; A. Dum. le. p. 22, pl. 1. £. 8; Giinth. Rept. Brit. Ind. p. 443.
Ureotyphlus oxyurus, Peters, J.c. p. 938, and Sitzb, Ges. nat. Fr. 1881, p. 90.
Teeth small, subequal; both rows of mandibular teeth well developed. Snout narrowed, rounded; the width of the head between the eyes equals the distance of the eye from the tip of the snout; tentacle small, below the nostril, close to the lip; eyes easily distinguishable. Body cylindrical, moderately elongate, with numerous (200 to 219) distinct circular folds, widely interrupted on the belly (except those on the hindermost part of the body), alternately longer and shorter. Tail very short, though distinct, pointed. Blackish or purplish brown, lighter (sometimes white) beneath ; lips and folds on the sides lighter. Total length 280 millim.; greatest diameter of body 13 millim.
Malabar.
a-b. Adult. Anamallays. Col. Beddome at e, d, e-f. Adult. Malabar. Col. Beddome [C.].
gt. Yg., with spiracula. Tinnevelly. Col. Beddome [ed k-l. Adult & her. -—?P — Samsbury, Esq.
2. Ureotyphlus malabaricus. (Pare V. fig. 3.)
Ceecilia malabarica, Beddome, Madras Monthl. Journ. Med. Sc. ii. 1870, p. 176.
Ureotyphlus malabaricus, Peters, 1. c. p. 988. Well distinguished from the preceding by the following characters:—Snout more narrowed, more prominent, measuring more than the distance between the eyes, Plicee more numerous (240 to 260), interrupted on the belly by a very narrow interspace. Dark olive-brown, a little lighter beneath; lips and end of snout yellowish. Total length 230: millim.; greatest diameter of bod: 8 millim.
Malabar.
a. Her. Malabar. Col. Beddome [C.]. (Type.)
b-f. Adult. Malabar. Col. Beddome [C.].
3. Uraotyphlus africanus, (Pxare V. fig. 1.)
Teeth small, subequal; inner row of mandibular composed of a few teeth. Snout. narrowed, rounded, moderately prominent; the width of the head between the eyes equals the distance of the eye from the tip of the snout; tentacle very distinct, below the nostril; close to the lip; eyes perfectly distinct. Body cylindrical, not much elongate; 90 circular folds, and shorter folds between each two of the last 40 (= 180 folds); these folds widely interrupted on the
2. URROTYPHLUS.—3. COBCILIA. 93 belly except the last 15, which are complete; the anterior 50 narrowly interrupted on the dorsal region; a very distinct gular fold. Tail extremely short, hardly distinct, obtusely conical. Dark brown ; the gular fold and the folds on the sides yellowish. Total length 165 millim.; greatest diameter of body 6 millim. West Africa.
a, West Africa. J. C. Salmon, Esq. [P.]. 3. CQRCILIA.
Ceecilia, part., Linn. Syst. Nat. i. p. 229. Cecilia, Wagl. Syst. Amph. p. 198; Tschudi, Batr. p. 90; Dum. & Bibr. viii. p. 274; Gray, Cat. p. 57; A. Dum. Mém. Soc. Cherb. ix. p- 811; Peters, Mon. Berl. Ac. 1879, p. 934. Squamosals in contact with parietals. Two series of teeth in the lower jaw. ‘Tentacle flap-shaped, tentacular groove horseshoeshaped, situated below the nostril. Cycloid scales imbedded in the skin.
South America.
Synopsis of the Species.
I. The total length not 60 times the greatest diameter of the body. 135-150 circular folds, the majority interrupted on the dorsal and ventral lines ; last 40-50 folds not interrupted on the dorsal shine: sso eee eee ees ses 1. tentaculata, p. 93. 115-140 circular folds, the majority interrupted on the dorsal and ventral lines ; last 16-20 folds not interrupted on the doraalline 20.00. ceccswree serene 2. isthmica, p. 94. 200 circular folds, complete above and belowss teciiiiesenatastuaiemacceua eae 3. ochrocephala, p. 94. II. The total length more than 60 times the greatest diameter of the body.
207 or 209 circular folds, nearly all complete above and below............. 4. polyzona, p. 94. ‘160-170 circular folds, interrupted on the dorsal and ventral lines; teeth very large 5. pachynema, p. 95. 210-255 circular folds, interrupted on the dorsal and ventral lines ............ 6. gracilis, p. 95. 1. Cecilia tentaculata.
Ceecilia tentaculata, Gray, Cat. p. 58. Cecilia tentaculata, part., Linn. Mus. Ad. Fred. p. 19. tentaculata, Shaw, Zool. iii. p. 599, pl. 186; Peters, Mon. Berl. Ac. 1879, p. 934.
albiventris, Daud. Rept. vii. p. 428, pl. 92; Dum. & Bibr. p. 277.
94 CHCILIIDA, Teeth moderately large ; on each side—maxillaries 6 to 8, vomeropalatines 5, outer mandibulars 6 or 7; inner mandibulars very small, few. Snout rounded, prominent, shorter than the distance between the eyes; latter visible; tentacle below the nostril. Body cylindrical, elongate, robust; 185 to 150 circular grooves, interrupted on the dorsal and abdominal lines; the last 40 or 50 are not interrupted on the dorsal line, and the hindermost are complete. Tail indistinct, rounded. Blackish brown, marbled with white a Total length 590 millim. ; greatest diameter of body 20 millim.
Surinam.
a, Adult. ——? Named by Dr. Shaw.
6. Her. Surinam.
2. Cecilia isthmica. (Pare VI. fig. 1.)
Ceecilia rostrata, Giinth. Proc. Zool, Soc, 1859, p. 417. ° —— isthmica, Cope, Proc. Amer. Philos. Soc. 1877, p. 91. —— giintheri, Peters, Mon. Berl. Ac. 1879, p. 986. —— pachynema, Bouleng. Bull, Soc. Zool. France, 1880, p. 48. Teeth moderately large; on each side—mazxillaries 11, vomeropalatines 5, outer mandibulars 8; inner mandibulars very small, few. Snout truncate, very prominent, shorter than the distance between the eyes; latter visible; tentacle below the nostril, on the lower face of the snout. Body cylindrical, elongate, robust; 124 circular folds*, interrupted on the dorsal and abdominal lines, the last eighteen complete. Tail indistinct, rounded. Olive-brown, lighter beneath, uniform ; lips whitish. Total length 660 millim. ; greatest diameter of body 2] millim.
Isthmus of Darien; W. Ecuador.
a, Adult. W. Ecuador. Mr, Fraser [C.].
. 3. Cecilia ochrocephala.
Ceecilia ochrocephala, Cope, Proc, Ac. Philad, 1866, p. 182. Proportions near those of Dermophis mexicanus; length 51 times the diameter at middle. Head narrowed; snout decurved, not truncate, projecting acutely beyond mouth; eyes not visible; tentacle a little below the angle of the snout. Circular folds 200, | equidistant, complete above and below. Tail obtuse, depressed. Yellowish plumbeous ; the plicee dark ; throat and head ochre-yellow. Total length 325 millim.
Panama.
4. Cecilia polyzona.
Ceecilia polyzona, Fischer, Mon. Berl. Ac, 1870, p. 937, and Arch. f. Naturg. 1880, p. 215, pl. 8. f. 1-4, Maxillary teeth (on each side) 11 or 12, vomero-palatines 10 or11, * 142 in the type, 116 in a specimen in the Brussels Museum.
3. CHCILIA. 95 outer mandibulars 10, inner mandibulars 5 or 6. Snout prominent, pointed ; eyes hidden; tentacle below the nostril, on the lower face of the snout. Body much elongate ; 207 or 209 circular folds, complete, except a few which are interrupted on the belly ; accessory folds between the ten hindermost, not meeting on the belly. Tail indistinct, rounded. Brownish grey, head and belly lighter; annuli marked with black. Total length 670 millim.; greatest diameter of body 11 millim.
Colombia.
5. Cecilia pachynema. (Puare VI. fig. 2.)
Coecilia pachynema, Giinth. Proc. Zool. Soc, 1859, p. 417 ; Peters, Mon. Bort. Ae. 1879, p. 985.
Teeth large, few, widely separated ; inner mandibulars very small, few; outer mandibulars very large, anterior longest, 5; maxillaries 6; vomero-palatines 9. Snout broad, rounded; eyes rather indistinct; tentacle below the nostril. Body cylindrical, very much elongate; 168 circular folds, widely interrupted on the dorsal and ventral regions. Tail indistinct, rounded. Olive, lighter beneath; a subquadrangular yellow spot between each two costal folds, forming a lateral band interrupted by vertical olive lines. Total length 930 millim.; greatest diameter of body 12 millim. W. Ecuador.
a, Adult. W. Ecuador. Mz. Fraser [C.]. (Type.)
6. Cecilia gracilis.
Ceecilia gracilis, Gray, Cat. p. 57.
Ceecilia tentaculata, part., Linn. Mus. Ad, Fred. pl. 5. f. 2. racilis, Shaw, Zool. iii. p. 597; Giinth. Proc. Zool. Soc. 1859, p- 417; Peters, Mon. Berl, Ac. 1879, p. 937.
— lumbricoidea, Daud. Rept. viii. p- 420, pl. 92; Dum. § Bibr. p- 275; A. Dum. Mém. Soc. Cher. 1x. p. 318, Teeth rather large, 16 to 20 in the upper as well as in the lower jaw; palatine and inner mandibular teeth small, few; anterior mandibular tooth much the longest. Snout narrow, rounded, very prominent; eyes indistinct, exceptionally slightly visible ; tentacle on the lower face of the suout, below the nostril. Body cylindrical, extremely elongate; 210 to 255 circular folds, interrupted on the dorsal and ventral regions, except the hindermost. Tail indistinct, rounded. Uniform brown or olive. Total length 700 millim.; greatest diameter of body 8 millim.: a very slender specimen (¢) measures 650 and 5 millim.
Northern South America.
ab, Adult. Surinam. Hr, Kappler (C.].
ec. Adult. Cayenne.
d, Adult, bad state. Demerara. J. Hadfield, Esq. [P.]..
96 CECILIID#.
e. Adult. W. Ecuador. Mr. Fraser [o4 Jf. Adult. Canelos, Ecuador. Mr. Buckley [ a g. Adult, bad state. -—? Named by Dr. Shaw. A, Adult. —? Sir A. Smith [P.].
z. Several spec. —?P k, Adult. —-?
4, HYPOGEOPHIS.
Ceecilia, sp., Dum. & Bibr. viii. p. 274; Gray, Cat. p. 57; A. Dum. Mém. Soc. Cherd. ix. p. 811.
Hypogeophis, Peters, Mon. Berl. Ac. 1879, p. 936. Geotrypetes, Peters, Sitzb. Gies. naturf. Fr. 1880, p. 55. Squamosals in contact with parietals. Two series of teeth in the lower jaw. Tentacle flap-shaped, tentacular groove horseshoeshaped, situated below and behind the nostril. Cycloid scales imbedded in the skin. ‘ Africa, Synopsis of the Species.
Nearly all the circular folds completely surrounding the body ..............,... 1. rostratus, p. 96. The anterior 40 folds interrupted on the dorsal and ventral lines .............. 2. guentheri, p. 96. All the circular folds, except the hindermost, incompletely surrounding the body...... 3. seraphini, p. 97. 1. Hypogeophis rostratus. (Ptave VII. fig. 2.) Ceecilia rostrata, Gray, Cat. p. 58.
Ceecilia rostrata, Cuv. R. A., 2° 6d. il. p. 100 ; Dum. & Bibr. p. 279; Peter's, Mon. Berl. Ac. 1877, p. 456. a pra rostratus, Peters, Don. Berl. Ac. 1879, p. 986, and itz. Ges. naturf. Fr. 1880, p. 53.
Teeth small, subequal, few in inner mandibulary row. Head small; snout narrowed, acuminate, prominent, a little longer than the distance between the eyes; eyes visible ; tentacle near the lip, much nearer the nostril than the eye. Body short, stout; about 125 circular folds, nearly all complete; a more or less distinct raised line along each side of the back ; a median groove along the abdominal face. ‘Tail indistinct, obtuse. Dark brown. Total length 280 millim. ; greatest diameter of body 10 millim. Seychelles.
a-b. Adult & her. Seychelles. Dr. E. P. Wright [€.]. c-g. Toure with spiracula. Bree atlne Dr. Giinther [P.]. h, Adult. a 2, Hypogeophis guentheri. (Prare VII. fig. 1.) Teeth small, subequal, few in inner mandibulary row. Snout
4.. HYPOGEOPHIS.—5. DERMOPHIS. 97 narrowed, acuminate, prominent, its length slightly more than the distance between the eyes; latter rather indistinct ; tentacle below and behind the nostril, much nearer the latter than the eye. Body short; 100 circular folds, the anterior 40 interrupted on the dorsal and ventral lines, the others complete. Tail indistinct, rounded. Uniform olivé-brown. Total length 260 millim.; greatest diameter of body 11 millim.
Zanzibar.
a. Adult. Zanzibar. Capt. J. E. Parish, R.N. [P.]. -g. Young, with spiracula. Zanzibar. Sir J. Kirk (C.]. 3. Hypogeophis seraphini.
Ceecilia seraphini, 4. Dum. Arch, du Mus. x. p. 222, and Mém. Soe. Cherb., ix. p. 314.
Hypogeophis seraphini, Peters, Mon. Berl. Ac. 1879, V4 937. Geotrypetes seraphini, Peters, Sitzb. Ges. naturf. Fr. 1880, p, 55, Teeth rather large, subequal, numerous in inner mandibulary row. Snout moderately prominent, rounded, slightly longer than the distance between the eyes ; latter visible; tentacle near the lip, not far beyond the vertical of the nostril. Body moderately elongate ; 120 circular folds, the hindermost only complete, those on the anterior two thirds of the body interrupted on the dorsal and ventral lines, the remainder interrupted inferiorly. Tail indistinct, obtusely conical. Dark brown, the folds yellowish. Total length 195 millim.; greatest diameter of body 6 millim. (Duméril gives 280 and 8 as the measurements of the adult.)
West Africa.
a. Her. Lagos.
5. DERMOPHIS.
Siphonops, sp.. Dum. & Bibr. viii. p. 281; Gray, Cat. p. 59; A. Dum. Mém. Soe. Cherb. ix. p. 317.
Dermophis, Peters, Mon. Berl. Ac. 1879, p. 987. Squamosals in contact with parietals. Two series of teeth in the lower jaw. Tentacle globular, tentacular groove circular, situated in front of the eye. Cycloid scales imbedded in the skin. ‘Tropical America; West Africa.
Synopsis of the Species.
I. 150 to 170 circular folds, the secondary folds included. Tentacle distinctly below the eye; belly lighter, annuli dark ................ 1. mesxicanus, p. 98. Tentacle scarcely below the eye; blackish, head white-xsccccscces aise wete veaw ee 2. albiceps, p.98. H
98 CCECILIID.E.
II, 125 to 145 circular folds.
Circular folds on the median portion of the body alternately complete or incomplete 3. thomensis, p. 98. Circular folds on the median portion of the body all incomplete ..........--56-- 4. brasiliensis, p. 99. Tentacle close to the eye ..........408- 5. proximus, p. 99. III. 228circular folds, complete; tentacle ; close to the eye 0... eee cece ee eee 6. stmus, p. 99. 1. Dermophis mexicanus. (Prats VIII. fig. 2.) Siphonops mexicana, Gray, Cat. p. 59.
Siphonops mexicanus, Dum. § Bibr. p. 284; A. Dum. 1. c. p. 23, pl. —. £. 10.
Dermophis mexicanus, Peters, Mon, Berl. Ac, 1879, p. 937, pl—. f.6.
Teeth small, subequal; inner mandibulary teeth few, indistinct. Snout rounded, moderately prominent, about as long as the distance between the eyes ; latter distinct ; tentacle below and in front of the eye, nearer the latter than the nostril. Body stout, moderately elongate ; 150 to 170 circular folds, those on the anterior half and on the hindermost part of the body complete, the others alternately complete or interrupted on the belly. Tail indistinct, rounded. Greyish brown above, whitish beneath; the foldsdark brown. Total length 425 millim.; greatest diameter of body 20 millim. ‘ Central America.
a-b. Adult. Mexico, is t. Sir Edw. Belcher [P.]. ec, Adult. Mexico. ohnston, Esq. [P.].
d,e. Adult, Pacific coast of Guatemala. 0. Salvin, Eig. (bo. f. Adult. Panama. Capt. J. C. Dow [ (P.].
g. Hgr. —P Derby Museum [P.].
2. Dermophis albiceps. (Piarx VIII. fig. 1.)
Teeth small, subequal. Snout rounded, moderately prominent, as long as the distance between the eyes; latter distinct; tentacle in front of, and slightly lower than, the eye. Body elongate; 170 circular folds, those on the anterior half and on the hindermost part of the body complete, the others alternately complete or interrupted on the belly. Tail indistinct, rounded. Blackish grey, the head white. Total length 210 millim. ; greatest diameter of body 44 maillim.
Ecuador.
a, gy. ? Ecuador. Mr. Buckley [C.}.
3. Dermophis thomensis.
Siphonops thomensis, Bocage, Jorn, Sc. Lish. xv. 1873, es —— brevirostris, Peters, Mon. Berl. Ac. 1874, p. 617, Oo Lf