NONEUS PLATE 23. nee Seve Scie Ceres / pe QLs" 5000 |ccoaee ei: Sioa On 00 ° ty} AM Westeréren del
7 bet 2
PLATE24. 1-7. Echinonéus cyclostomus Lesxkr. Odd anterior ambulacrum. 1.—Fromtest6mm.long, 2.—Fromtest8mm.long, 3.— From test 9.5 mm. long, 7 ; 4.—Fromtest11mm.long,BortSnionio,Jamnateee 5.—Fromtest16mm.long, 6.—Fromtest18mm.long, 7.—Fromtest27mm.long,Pacific(?). Increase of the primary tubercles is indicated by numbers and letters. Figures6-7arereducedinmagnification,theothersinrelativesize. \
Bete GHINONEUS PLAT LG > o29 Oo). ( ( ” Prt (0) OO) xO) MLE 5 fA2 ‘ I Nigra 3s LIGA] fo) Wh a ry bss 5) © or rn 23 ee OO” COMO OOCFOVIOK )j(O)oGqr> 2008. 28, Pee NS SANG) a(S) 6 < BO, GiFIG Ex. 1899-1300 AL PAI v Bs ST MACARATA AAO SATA Aa eee sia a Baer * TARO 30. WANE he _ a3) DSN Cah NES Rg Sew WMO) (COWFy | ob x 2 Ys ele If pe o (6 ly On yoy, f TNS ; (O) ‘ ( ( ( ( f / \ K Ke cer. poe (ODM ‘ \ z ¢ O)Sst ~ rf. Wan SP. moti) - = 2°, 7 o— Sar wt CC ye ( 0, 09 ° 2) }) Dy Y ( “ALBATROSS TROPIC. AM Westereren del.
PLATE26. 1-12.EchinonéuscyclostomusLreske. 1-S.— Order in which number of primary tubercles increase on the seventh plate from actinostome, including the primordial; from left anterior interambulacrum, bordering on odd anterior ambulacrum, is as follows. 1.— Seventh plate from mouth from a specimen 4.19 mm.
long 2.—Seventhplatefrommouthfromaspecimen6mm.long. 3.—Seventhplatefrommouthfromaspecimen8mm.long. 4.—Seventhplatefrommouthfromaspecimen10mm.long. 5.—Seventhplatefrommouthfromaspecimen12mm.long. 6.—Seventhplatefrommouthfromaspecimen15mm.long. 7.—Seventhplatefrommouthfromaspecimen17mm.long. 8.—Seventhplatefrommouthfromaspecimen26mm.long. 1-8.—Fromalcoholicspecimens.PortAntonio,Jamaica.~~ 9.—Partoftestshowingprimaryandglassytubercles,fromleftanteriorinterambulacrum,fourth plate from actinostome. Diameter of boss 0.35 mm. ; 10.—Sameasprevious,fromrightanteriorinterambulacrum,midwaybetweenambitusandgenital plate.Diameterofboss0.29mm. 11.—Halfprofileofaglassytubercle,diameter0.37mm. 12.—Sameinprofile,andsectionoftest. 9-12.—Fromanalcoholicspecimenmeasuring27mm.long.MakemoIsland,PaumotuIslands. Figures 1-8, same enlargement.