“ALBATROSS TROPICAL PAGIFIG Ex. 1899-1900. EGHINONEUS PLATE él. AMY fy } A.M Wesiteeren.del. B Meisel lith.
PLATE22. 1-26. Echinonéus cyclostomus LEsKE. 1-16.
Valves of globiferous pedicellariae. 1.—Stalkandhead,0.74mm.long,fromleftanteriorambulacrum,onethirdwaybetweenactinal system and ambitus. 2.—Pedicellaria,0.36mm.valveCincentre,fromrightposteriorinterambulacrum,midwaybetween actinal system and ambitus. 3.— Valve A, 0.38 mm. interior view. ] 4.— Valve B, 0.37 mm. interior view. | 5.—ValveB,0.37mm.interiorview,profile.}Ofasinglepedicellaria,sameasFigure1. 6.— Valve C, 0.36 mm. interior view. | 7.— Valve C, 0.36 mm. exterior view. J 8.—ValveA,0.26mm.exteriorview. 9.—ValveC,0.26mm.interiorview,fromrightposteriorinterambulacrum,|samepedicellaria. ambitus. 10.—ValveB,0.34mm.interiorview. 11.—ValveC,0.32mm.exteriorview,fromrightposteriorinterambulacrum,Visepedicellaria. toward apical system. J 12.—ValveB,0.32mm.interiorview,fromrightposteriorinterambulacrum,neargenitalplate. 1-12.Dryspecimenwithspines34mm.long.LordHoweIsland. 13.— Valve A, 0.28 mm. interior view, profile. | 14.—ValveB,0.27mm.interiorview,fromrightposteriorinterambulacrum.Bainepedivellnne Alcoholic specimen measuring 19 mm. long. Fakarava Island, . Paumotu Islands. 15.—ValveB,0.31mm.interiorview. 16.— Valve C, 0.30 mm.
interior view, from right posterior interambulacrum, USamie peritcelireeel near apical system. Alcoholic specimen, with spines measuring 30 | i mm. long. Barbados (?). J 17-26.Valvesoftridentatepedicellariae. 17.— Head and stalk, 0.51 mm.
from left anterior interambulacrum, one third way between actinostome andambitus.Dryspecimen,withspinesmeasuring30mm.long.LordHoweIsland. 18.—ValveB,0.17mm.interiorview. 19.—ValveB,0.17mm.interiorview,profile. 20.—ValveC?,0.17mm.interiorview. 21.—ValveC?,0.17mm.exteriorviewfromanalsystem,neartheinterambulacrum.Dryspecimen,withSpinesmeasuring34mm.long. Lord Howe Island. 22.—ValveB,0.15mm.interiorview,fromanalsystem.Alcoholicspecimen,measuring10mm.long. Makemo Island, Paumotu Islands. 23.—ValveA,0.17mm.interiorview,fromadoralendofanalsystem.Alcoholicspecimen,measuring 18mm.long.MakemoIsland. 24.—ValveC,0.31mm.exteriorview,fromadoralendofanalsystem. 25.—ValveC,0.23mm.exteriorview,fromaboralendofanalsystem. 26.—ValveA,0.31mm.interiorview,fromaboralendofanalsystem. fSamevalve.SamespecimenasFigure17. Same valve. 24-26.Alcoholicspecimen,withspinesmeasuring26mm.long.Barbados(?). TheenlargementofFigures2to16isthesameasPlate18.Figures18to26areonaslightlylarger, butnotidenticalscale;Figures1-17aresmaller.
~ ‘of 4) 0 G c B Meisel ith.
PLATE23. 1-17. Echinonéus cyclostomus LESKE. Valves of pedicellariae. 1.—ValveB,0.12mm.interiorview.Tridentatepedicellaria,fromanalsystem.Testwithspines measuring 4 mm.
long.
2—ValveB,0.13mm.interiorview.Tridentatepedicellaria,fromrightposteriorambulacrum,near actinostome.Testwithspinesmeasuring4mm.long. ) Ophicephalous pedicellaria, from odd posterior interambulacrum, near margin of anal system. Test with spines measuring 4 mm.
long.
5.—ValveB,0.19mm.interiorview.Globiferouspedicellaria,fromleftposteriorinterambulacrum, atambitus.Testwithspinesmeasuring4mm.long. —ValveB,0.20mm.interiorview.Globiferouspedicellaria,fromrightanteriorinterambulacrum, atambitus.Testwithspinesmeasuring5mm.long. 7—Valve A. 0.22 cterior wiew | Globiferous pedicellaria, from right anterior interambula- 7. alve A, 0.22 mm. exterior view. a Set i : ; nasa U Oe nnn tenioe ea | enti midway between actinostome and ambitus. Test with spines measuring 5 mm.
long.
9.—ValveB,0.28mm.interiorview.Tridentatepedicellaria,fromaboralendofanalsystem.Test measuring 11 mm.
Jong.
10.—ValveB,0.37mm.interiorview.Tridentatepedicellaria,fromaboralendofanalsystem.Test measuring 20 mm.
long.
11.—ValveB,0.43mm.interiorview.Tridentatepedicellaria,fromrightanteriorinterambulacrum, near actinostome. Test measuring 20 mm. long. 7 12.—ValveB,0.47mm.interiorview.Tridentatepedicellaria,fromoddposteriorinterambulacrum, nearambitus,actinalside.Testwithspinesmeasuring25mm.long. 13.—ValveB,0.47mm.interiorview.Tridentatepedicellaria,fromaboralendofanalsystem.Test with spines measuring 25 mm.
long.
14.—ValveB,0.49mm.interiorview.Tridentatepedicellaria,fromadoralendofanalsystem.Test with spines measuring 26 mm.
long.
15.—ValveB,0.43mm.interiorview.Tridentatepedicellaria,fromleftposteriorinterambulacrum, nearactinostome.Testmeasuring28mm.long. 16.—Stalkandheadofatriphyllouspedicellaria,0.29mm.long,fromrightanteriorinterambulacrum, near actinostome. Test measuring 11 mm.
long.
17.—Valveoftriphyllouspedicellaria,0.04mm.exteriorview,fromleftanteriorinterambulacrum, hearactinostome.Testmeasuring11mm.long. 3.—ValveA,0.14mm.exteriorview- 4.—ValveB,0.13mm.interiorview. for) PortAntonio,Jamaica.1909. EachorderofpedicellariaismagnifiedalmostidenticallyexceptFigures1and2,whichareona larger scale.