22 Echin. 
V. Echinoderma. 
[1917] 
Tarsaster disclichopus sp. n. Macassar 
Straits, Fisher Proc. Biol. Soc. Wash- 
ington 30 p. 92. 
Tosia aurata, Clark 27. 
Trophodiscus gen. n. of A strop ec- 
tinidae type T. almus sp. n. Kamchatka, 
Fisher Proc. U. S. Nation. Mus. 52 pp. 
367, 368. 
t U ranaster kindhani , Spencer 127. 
\U ranasteridae fam. n., Spencer 
Palaeontogr. Soo. London 1915 [1916] 
p. 104. 
Zoroaster macracantha sp. n. Australia, 
Clark Biol. Results of F. I. S. Endea- 
vour4p. 68; Z., Verrill 138. 
E. Opitiuroidea. 
Amphiacantha gen. n. of Amphiur- 
inae type Amphioplus acanthinus 
Clark, with A. dividua p. 180 sp. n. 
Japan, Matsumoto J. Coll. Sci. Tokyo 
38 (2) pp. 150, 177. 
Amphichilus gen. n. of Amphiurinae 
type A. trichoides sp. n. Japan, Mat- 
sumoto t.o. pp. 150, 175. 
Amphilepididae, Matsumoto t.c. pp. 
144-149. 
Amphilepis, Clark 28. 
Amphiophiura colleta sp. n. Australia, 
Clark Biol. Results of F. I. S. Endea- 
vour 4 p. 93 ; A., Clark 28. 
Amphioplus affinis, Koehler 89. 
Amphiura eugeniae, angular is, Koeh- 
ler 89 ; A., Clark 27, 28. 
| Amphiura lymani sp. n. Upper Cre- 
taceous California, Waring Proc. Calif. 
Acad. Sci. 7 p. 58. 
Amphiuridae, Matsumoto 107. 
Amphiurinae , Matsumoto 107. 
Aster o — vide Astro — . 
Astroconus australis , Clark 27. 
Astrodendrum pustulatum sp. n. Aus- 
tralia, Clark Biol. Results of F. I. S. 
Endeavour 4 p. 84. 
Asti onychinae, Matsumoto 107. 
Astronyx loveni, Clark 27. 
Astroporpa wilsoni sp. n. New Zea- 
land, Bell Brit. Antarct. Exp. 1910 
Zool. 4 p. 7 ; A. australiensis , Clark 
27. 
Astroschema monobactrum sp. n. 
Marquesas Is., Clark Bull. Mus. Comp. 
Zool. Harvard Coll. 61 p. 430. — A. 
elegans sp. n. New Zealand, Bell Brit. 
Antarct. Exp. 1910 Zool. 4 p. 7. 
Astroschematinae, Matsumoto 107. 
Astrothamnus rugosus sp. n. Aus- 
tralia, Clark Biol. Results of F.I.S. 
Endeavour 4 p. 85. 
Astrotoma benhami sp. n. New Zea- 
land, Bell Brit. Antarct. Exp. 1910 
Zool. 4 p. 8. 
Astrotominae, Matsumoto 107. 
Chilophiurida , Matsumoto 107. 
Conocladus ambly conus, oxy conus, 
Clark 27. 
Ctenamphiura sinensis sp. n. North 
China, Clark Proc. Biol. Soc. Wash- 
ington 30 p. 15. 
Euryale as per a, Clark 27. 
Qnathophiurida , Matsumoto 107. 
Qorgonocephalidae, Matsumoto 107. 
Qorgonocephalus eucnemis, Crieq 62 ; 
Hilton 73. 
Hemieuryalidae, Matsumoto 107. 
Laemophiurida, Matsumoto 107. 
Ophiacantha with O. quadrispina p. 
432 sp. n. Galapagos Is., Clark Bull. 
Mus. Comp. Zool. Harvard Coll. 61 pp. 
431-435 ; O. heterotyla, Clark 27 ; 
O. bidcntata, Grieg 62 ; O. vivipara, 
Koehler 89. 
Ophiacanthidae, Matsumoto 107. 
Ophiactininae, Matsumoto 107. 
Ophiactis with O. symbiola p. 88 sp. n. 
Australia, Clark Biol. Results of 
F. I. S. Endeavour 4 pp. 87-88 ; O., 
Clark 28. 
O phi emus, Clark 28. 
Ophiobyrsa rudis, Clark 27. 
Ophiobyrsinae , Matsumoto 107. 
Ophiocnida cubana sp. n. ' Cuba, 
Clark Proc. Biol. Soc. Washington 30 
p. 69. 
Ophiochitonidae , Matsumoto 107. 
Ophiocoma, Clark 28. 
Ophiocomidae , Matsumoto 107. 
Ophiocreas phanerum sp. n. Australia, 
Clark Biol. Results, of F. I. S. 
Endeavour 4 p. 79. 
Ophiocrene , Matsumoto 107. 
