E 25. HINONEUS PLAT ib 1899-1900. Dx ox TROPICAL PAGIFIG ALBATROSS: TAT
PLATE26. 1-31. Echinonéus cyclostomus LESKE. Spines. 1.— Spine, 3.10 mm.
long, 2.— Spine, 1.51 mm.
long, § —Spine,1.51mm.long,detailofFigure2,edgeshowingserration. 4.—Spine,2.30mm.long,fromrightposteriorinterambulacrum,midwaybetweenactinostomeand ambitus. 5.—Spine,2.30mm.long,detailofFigure4,topview,largermagnification. oa cea oe ae ee from left anterior interambulacrum at ambitus. 8.—Spine,_long,fromoddposteriorinterambulacrum,nearanalsystem. 9.— Spine, _ long, detail of Figure 8, top view, larger magnification. 10.— Spine, 0.60 mm.
long, from left anterior interambulacrum at ambitus. 11.— Spine, 0.60 mm.
long, same as Figure 10, larger magnification, showing serrations. 12.—Spine,2.18mm.long,baseandsectionofaspine. 13.—Spine,2.18mm.long,topviewofFigure12. 14.—Spine,1mm.long,fromanalsystem. 15.— Spine, 1 mm.
long, same as Figure 14, larger magnification, showing serrations. 16.—Stalk,0.34mm.long,ofaglobiferouspedicellaria,fromrightanteriorinterambulacrum,near apical system. 17.—Stalk,0.34mm.long,sameasFigure16,largermagnification. 18.—Stalk,0.44mm.long,ofanophicephalouspedicellaria,fromrightanteriorinterambulacrum, midway between ambitus and apical system. 19.— Stalk, 0.44 mm. long, same as Figure 18, larger magification. . from left anterior interambulacrum, near actinostome. w 1-19.—LordHoweIslandfromadryspecimen,withspinesmeasuring34mm.long. Except for details the enlargement is the same. ‘i 20.— Spine, 1.32 mm.
long, from right posterior ambulacrum, near actinostome. 21.—Spine,1.32mm.long,sameasFigure20,largermagnification. 22.— Spine, 1.90 mm.
long, from left posterior ambulacrum, near anal system. 23.—Spine,1.90mm.long,sameasFigure22,sectionofbasethroughmilledcollar. 24.—Spine,0.50mm.long,fromrightanteriorinterambulacrum,midwaybetweenactinostomeand ambitus. 25.—Spine,0.50mm.long,sameasFigure24,largermagnification. 26.— Spine, 0.44 mm.
long, detail of an end, from right anterior interambulacrum near actinostome. 27.—Spine,1mm.long,fromrightanteriorinterambulacrumatambitus.; 28.— Spine, 0.72 mm.
long, from right anterior interambulacrum, near apical system. 29.— Spine, 0.35 mm.
long, from left anterior interambulacrum, near apical system. 30.— Stalk, 0.63 mm.
long, of an ophicephalous pedicellaria, from right anterior interambulacrum, near actinostome. 31.—Stalk,0.63mm.long,sameasFigure30,largermagnification.- Figures20-31,MakemoIsland,PaumotuIslands,arefromanalcoholicspecimen,withspines measuring 18 mm.
long. Enlarged slightly more than those from Lord Howe Island.
EGHINONEUS PLATE 26. “ ALBATROSS’ TROPIGAL PACIFIG Ex. 1899-1900. NAY OF AY 64 BE bic wr wCeN A OY A RT eT Be Ui PAS Fak Ba ei On eared Hal WA Ol HLANEd CD, A — —— B Meisel lith AM Westereren del.
PLATE 27. : 1-44. Echinonéus cyclostomus Lrsker. Spines. 1.— Spine, 1.50 mm.
long, from left anterior interamhulacrum, near actinostome. 2.—Spine,1.50mm.long,outlineofserrationofFigure1. 3.— Spine 1.65 mm.
long, from odd posterior interambulacrum, near actinostome. 4.—Spine,2.6mm.long,fromrightanteriorinterambulacrum,midwaybetweenactinostomeand ambitus. 5.—Spine,1.22mm.long,fromrightanteriorinterambulacrum,atambitus. 6.—Spine,0.82mm.long,fromleftanteriorinterambulacrum,actinalside. 7.—Spine,0.82mm.long,detailofFigure6,topview,largermagnification. 8.—Spine,0.65mm.long,fromnearapicalsystem. 9.—Spine,0.38mm.long,fromapicalsystem. 10.—Spine,0.22mm.long,fromthemadreporicplate. 11.—Spine,0.22mm.long,sameasFigure10,largermagnification. 12.—Stalk,0.34mm.long,ofanophicephalouspedicellaria,fromleftposteriorinterambulacrum. 13.—Stalk,0.34mm.long,sameasFigure12,largermagnification. 14.— Spine, 1.20 mm.
long, from right anterior interambulacrum, towards actinostome. Figures1-14.FakaravaIsland,PaumotuIslands. Figures1-8,12-13,arefromanalcoholicspecimenwithspinesmeasuring23mm.long.Figures9, 10,11,and14fromanalcoholicspecimenwithspinesmeasuring11mm.long.Theenlargementis sameasthoseonPlate26fromMakemoIsland. 15.— Spine, 1.95 mm.
long, from right posterior ambulacrum, near actinostome. 16.—Spine,2.80mm.long,fromoddposteriorinterambulacrum,nearanalsystem. 17.—Spine,2.92mm.long,fromoddposteriorinterambulacrum,nearanalsystem. 18.—Spine,1.64mm.long,fromrightanteriorinterambulacrum,atambitus. 19.—Spine,1.54mm.long,fromanalsystem. 20.—Spine,1mm.long,fromapex. * 21.— Spine, 0.42 mm. long, from madreporic plate. : 22.—Spine,0.42mm.long,sameasFigure21,largermagnification. 23.—Stalk,0.52mm.long,ofaglobiferouspedicellaria,fromrightanteriorinterambulacrum,abactinal side.
24.—Stalk,0.52mm.long,sameasFigure23,largermagnification. Figures15-24,Barbados,(?)arefromanaleoholiespecimen,withspinesmeasuring30mm.long. EnlargementidenticalwiththosefromLordHoweIsland. Spine, 1.63 mm.
long, from right posterior interambulacrum, near actinostome. 20-— 26.—Spine,2.26mm.long,fromoddposteriorinterambulacrum,nearanalsystem. 27.—Spine,1.46mm.long| eee gana lone | from right anterior interambulacrum, at ambitus. 29.—Spine,1.6mm.long| 30.—Spine,0.86mm.long§ 31.—Spine,0.38mm.long,frommadreporieplate. 32.—Spine,0.38mm.long,sameasFigure31,largermagnification. 33.—Spine,1mm.long,fromoddanteriorambulacrum,actinalside. 34.—Spine,1mm.long,topofFigure33,largermagnification. 35.—Stalk,1.4mm.long,ofanophicephalouspedicellaria,fromleftanteriorinterambulacrum,actinal side.
36.—Stalk,1.4mm.long,sameasFigure35,largermagnification. 37.—Spine,0.56mm.long,fromrightanteriorinterambulacrum,atedgeofactinostome. 38.—Spine,0.78mm.long,fromoddposteriorinterambulacrum,nearanalsystem. from right anterior interambulacrum, near apical system.
39.— Spine, 0.77 mm.
long, from right anterior interambulacrum, at ambitus. 40.— Spine, 0.54 mm.
long, from apex. 41.— Spine, 0.21 mm.
long, from madreporic plate. 42.—Spine,0.21mm.long,sameasFigure41,largermagnification. 43.— Stalk, 0.32 mm.
long, of a globiferous pedicillaria, from right anterior interambulacrum 44.—Stalk,0.32mm.long,sameasFigure43,largermagnification. Figures25-44,PortAntonio,Jamaica.Figures25-36,arefromanalcoholicspecim measuring25mm.long.EnlargementidenticalwiththoseofLordHoweIsland. alcoholic specimen measuring 4 mm.
long, magnified on larger scale. The position of sections prepared are indicated by dotted line.