18 Echin. 
V, Echinoderma. 
[1918] 
f Protarthraster gen. n. with P. 
longimanus, Spencer London Pal. Soc. 
1910 1918 p. 104 pi. xiii figs. 3-5. 
f Protar thrasteridae fam. n., Spencer 
London Pal. Soc. 1910 1918 p. 125. 
]• Prolarthraslcrinae subiam. n., 
Spencer London Pal. Soc. 1910 1918 
p. 104. 
Pseudar chaster, Ulrey 118. 
Psilaster andromeda, Greig 54. 
Pteraster, Bush 16. — P., Ulrey 
118. 
Pycnopodia helienthoides Stimpson, 
Kjerskog-Agersborg 77. — P., Bush 
16. — P., Ulrey 118. 
Rathbunaster, Fisher 44. 
■ \Salteraster with S. asperrimus (Sal- 
ter), S.? imbricatus (Salter), £.? coronella 
(Salter), Spencer London Pal. Soc. 
1916 1918 pp. 149-150 pi. xi figs. 
3, 4, 5, 6. 
Solasler, Bush 16. — S., Ulrey 118. 
^Staur under aster bulbiformis, Haw- 
kins 60. 
f Taeniaster, Foerste 46. 
Thrissacanthius, Ulrey 118. 
f Uranasteridae with EL ramseyensis, 
Spencer London Pal. Soc. 1916 1918 
pp. 109-112 pi. vi. figs., 1-4. 
-j Urastrella with U. thraivensis sp. n. 
Ordovician Scotland ; U. rulhveni with 
U. r. var. leintwardinensis var. n. 
Silurian England ; U. gutter f or densis 
sp. n. Silurian Scotland, Spencer 
London Pal. Soc. 1916 1918 pp. 135- 
148 pis. viii. figs. 1-3 ; ix. figs., 1-5 ; 
x. figs., 1-6. 
■\Urastrellidae, Spencer 112. 
E. OrniuRoiDEA. 
Amphilepis peclen , J. 70. 
Amphiodia with A. mesopoma fig., 
rhabdota, trychna, tymbara, coniortodes, 
thrombodes spp. n. W. Indies Clark 
Bull. Mus. Comp. Zool. Harvard 62 
pp. 285-292 pis. ii. fig. 6 ; iii. figs. 7, 
1-3 ; vii. figs., 3, 4 ; viii. fig. 4. — 
A., Bush 16. 
Amphiopholis pachybactra sp. n. West 
Indies Clark Bull. Mus. Comp. Zool. 
Harvard 62 p. 284 pi. i.-figs., 3-5. 
Amphioplus, Bush 16. 
Amphiura with A. vivipara and var. 
annulata sp. and var. n. W. Indies 
Clark Bull. Mus. Comp. Zool. Harvard 
62 pp. 207-269 pi. i figs., 1, 2. — A. 
chiajei and jiliformis Wintzell 124. 
Aslhrombus chrysanthi sp. n. Japan 
Matsumoto Dobuts. Z., Tokyo 30 
pp. 140-154. — A. chrysanthi sp. n. 
Japan Matsumoto Annot. Zool. Jap., 
Tokyo 9 pp. 475-480. 
Astrocharis gracilis sp. n. Mortensen 
off Philippines in Mortensen & 
Stephensen Med. Dansk. Natur hist. 
Foren Kjobenhavn 69 pp. 264-267. 
Astrocynodus gen. n. A. herrerai sp. n. 
W. Indies Clark Proc. U. S. Nation. 
Mus. 54 p. 038 pi. xcvi. 
Gorgonocephalidae, Clark 28. 
Gorgonocephalus, Bush 16. 
Ophiactis with O. lymani fig. cyanos- 
ticta sp. n. W. Indies Clark Bull. Mus. 
Comp. Zool. Harvard 62 pp. 295-312 
pi. iv. figs., 3-6. 
Ophiocantha oligacaniha sp. n. W. 
Indies Clark Bull. Mus. Comp. Zool. 
Harvard 62 p. 265 pi. vii fig. 5. 
Ophiocoma nigra Wintzell 124. 
Ophiocryptus dubius sp. n. West 
Indies Clark Bull. Mus. Comp. Zool. 
Harvard p. 336 pi. iii. figs. 4, 5. 
Ophioderma phoenium, squamosissi- 
mum Clark Bull. Mus. Comp. Zool. 
Harvard 62 pp. 333-335 pis. iv. fig. 1; 
vi figs., 1, 2, 3, 4. 
Ophionephthys with O. intricata fig. 
Clark Bull. Mus. Comp. Zool. 
Harvard 62 pp. 278-282 pi. ii. figs. 1-3. 
Ophionereis, Clark 30. 
Ophiopholis aculcata Wintzell. — O. 
Bush 16. 
Ophiophragmus with O. ftlograneus 
fig., pulcher sp. n. W. Indies Clark 
Bull. Mus. Comp. Zool. Harvard 62 
pp. 270-278 pis. ii. figs., 4, 5 ; viii fig. 1. 
Ophioplocus bispinosus sp. n. Victoria 
[Australia] Clark Bull. Mus. Comp. 
Zool. Harvard 62 p. 337 pi. iv. fig. 2. 
Ophiopsila with O. villata sp. ii. 
West Indies Clark Bull. Mus. Comp. 
Zool. Harvard 62 pp. 326-332 pi. viii 
fig. 2. 
