46 Echin . 
V. E chino derma. 
[1910] 
certus sp. n. Antarctic, Bell Nation. 
Antarctic Exped. Nat. Hist. 4 p. 9.— 
P. ( Philonaster ) mortenseni sp. n. 
Indian Ocean, Koehler Ech. Indian 
Museum 1909 p. 74 pi. iv figs. 5-6 
•& pi. ix fig. 7. 
fP. sp., Lemotne & Rouyer Bui. 
soc. sci. Yonne 57 p. 281. 
Persephonaster roulei sp. n. Indian 
Ocean, Kpehler Ech. Indian Museum 
1909 p. 19 pi. vii fig. 3 & pi. ix fig. 4. 
Pharia pyramidata, Clark Bull. 
Mus. Comp. Zool. Harvard 52 No. 17 
p. 335 pi. v fig. 2. 
Phataria unifascialis , Clark L.c. 
p. 335 pi. v fig. 1. 
Phidiaster gen. n. near Psilasler p. 28, 
« agassizi sp. n. Indian Ocean p. 29 
pi. ix figs. 1-3, Koehler Ech. Indian 
Museum 1909. 
Pisaster, Verrill Amer. J. Sci. 28 
p. 63. 
Piinthaster, type is P. perrieri, in- 
cludes Pyrenaster Verrill, Fisher Ann. 
Nat. Hist. 5 p 172. 
Pontaster pilosus, Koehler Ech. 
Indian Museum 1909 p. 13. 
Poraniopsis inflata flexilis subsp. n. 
California, Fisher Zool. Anz. 35 p. 568. 
Porcellanaster caulifer, Koehler Ech. 
Indian Museum 1909 p. 33 pi. xi fig. 5 
•& pi. xiii fig. 1. 
Pseudar chaster dissonus sp. n. Oregon, 
Fisher Zool. Anz. 35 p. 551. 
Pteraster coscinopeplus sp n. t Fisher 
Anil. Nat. Hist. 5 p. 167. — P. hebes 
sp. n. Pacific N. American Coast, 
Verrill Amer. J. Sci. 28 p. 61 — P. 
jordani , marsippus sp. n. p. 167, 
militaris p. 168, multispinus p. 169, 
Fisher Ann. Nat. Hist. 5. — P. oclaster 
sp. n. Pacific N. American Coast, 
V ERRn.L Amer. J. Sci. 28 p. 61 fig. — 
P. pulvillus p. 169,. tcmnochiion , tri- 
yonodon, p. 168, spp. n., North Pacific, 
Fisher Ann. Mag. Nat. Hist. 5. 
Pyrenaster Verrill, type P. dentatus 
Perrier is syn. of Piinthaster, Fisher 
Ann. Nat. Hist. 5 p. 172. 
Sclerasterias nitida sp. n. Indian 
Ocean, Koehler Asteries littorales 
Musee indien pt. 6 p. 176. 
Sidonaster gen. n. near Porcellanaster 
vaneyi sp. n. p. 37 pi. iii fig. 6 pi. vi 
fig. 5 & pi. x fig. 3, batheri sp. n. Indian 
Ocean p. 40 pi. i fig. 4 pi. ii fig. 5 
& pi. iv fig. 8, Koehler Ech. Indian 
Museum 1909. 
Solaster constellatus sp. n. Pacific N. 
American Coast, Verrill Amer. J. 
Sci. 28 p. 60 figs. — S. endeca, Gemmill 
Pi-oc. Zool. Soc. London 88 p. 46. — S. 
exiguus California, S. hypothrissus 
Alaska, spp. n., Fisher Zool. Anz. 35 
pp. 573-574. — S. galaxides sp. n. 
Pacific N. American Coast, Verrill 
Amer. J. Sci. 28 p. 59 figs. — S. pap- 
posus, Sorby London Mus. J. 7 p. 224. 
Sphaeriodiscus gen. n. Ooniasterinae, 
type Stephanaster bourgeti, Fisher Ann. 
Nat. Hist. 5 p. 171. 
■\Slenaster confluens , Schondorf 
Palaeontographica 56 p. 337. 
Stephanaster , syn. of Pentagonaster 
restr., S. bourgeti is type of Sphaerio- 
discus, Fisher Ann. Nat. Hist. 5 p. 172. 
Stichaster aurantiacus, Clark Bull. 
Mus. Comp. Zool. Harvard 52 No. 17 
p. 337 pi. viii fig. l.—S. suteri and 
suteri var. laevigatus, Benham Sub- 
antarct. Islands N. Zealand 1 p. 302. 
fSturtzaster marstoni, Schondorf 
Jaiirb. Ver. Natk. Wiesbaden 63 p. 217. 
Styracaster caroli, Koehler Ech. 
Indian Museum 1909 p. 43 pi. iii fig. 5 
pi. v fig. 4. , 
Thoracaster alberti sp. n. Indian 
Ocean, Koehler L.c. p. 45 pi. iii 
figs. 1-4 & pi. v fig. 7. 
Thrissacanthias gen. n. Astropec- 
tinidae, type Persephonaster penicillatus , 
Fisher Ann. Nat. Hist. 5 p. 171. 
Tozia restr., type is T. australis, 
Fisher L.c. p. 172. — T. arctica sp. n. 
Pacific N. Am erican Coast, Verrill 
Amer. J. Sci. 28 p. 63 figs. 
f Triboletia gen. n. near Pseudar- 
chaster, type Asterias nodosa Tribolet, 
Loriol Itev. Suisse Zool. Geneve 16 
p. 151 pi. v figs. 1-12. 
■fUranaster kinahani, Schondorf 
Jahrb. Ver. Natk. Wiesbaden 63 p. 225. 
Urasterias subgen. n. of Asterias 
type U. linckii, also includes panopla 
and forcipulala, Verrill Amer. J. Sci. 
28 p. 67. 
Zoroaster adami sp. n. Indian Ocean, 
Koehler Ech t Indian Ocean 1909 
p. 108 pi. v figs. 5-6. 
