40 Echin. 
V. Echinoderma. 
[1907] 
Nanometra gen. n. [of Antedonidae- 
type Antedon minor Clark p. 348 ; N. 
minchcrti nom. n. (= Antedon minor 
Clark) p. 349 Clark 46. 
Perometra gen. n. [of Antedonidae] 
type Antedon diomedeae Clark 46 
p. 357. 
Plirynocrinu8 gen. n. of Phrynocrinidae 
fam. n.), type P. nudus sp. n. S. Japan 
off Shio Misaki light) Clark 47. 
Poecilometra gen. n. [of Antedonidae] 
type Antedon acoela Cpr. Clark 46 p. 
361. 
Pontiometra gen. n. [of Antedonidae] 
for Antedon andersoni Cpr. Clark 46 
p. 354. 
| Poteriocrinua ( Sphaeroerinua ) cf. 
geometricua Waltiier 223 p. 276. 
P8athyrometra gen. n. [of Antedoni- 
dae] type Antedon fragilis A. H. Clark 
Clark 46 p. 353. 
Ptiloaririm gen. n., type P. pinnatua 
Bp. n. N.E. Pacific (off Moresby I., Queen 
Charlotte Group) Clark 48 p. 551 fig. 
— P. pinnatus parasitic Eulima Bartscii 
9 ; Clark 48 p. 553. 
Ptilometra gen. n. [of Antedonidae] 
type Alecto maeronema J. Mull. Clark 
46 p. 358. 
Rhizocriniis, spp. p. 14 ; reg. as closely 
related to Bathycrinus p. 4 ; R. chnni 
sp. n. E. Africa p. 14 fig.; R. icebcri 
sp. n. Malaysia p. 15 figs. Doderlein 74. 
•\Scyphocrinua chars., occ. England 
(Catasuent Cove, Cornwall) Bather 10. 
f Sphaeroerinua vide Poteriocrinua. 
Thala88ometra gen. n. [of Antedoni- 
dae] type Antedon villosa p. 359 ; T. 
pergracili8 nom. n. for Antedon gracilis 
Cpr. nec de Loriol p. 360 Clark 46. 
Thy8anometra gen. n. of Antedonidae, 
type Antedon tenelloides A. H. Cl. Clark 
46 pp. 351, 346. 
Tropiometra gen. n. [of Antedonidae] 
type Comatula earinata Lam. Clark 46 
p 349. 
fUintacrinus Martin 164 ; occ. Lon- 
don basin Dibley 73. 
Zenometva gen. n. [of Antedonidae] 
type Antedon columnaris P. H. Carpenter 
Clark 46 p. 354. 
Zygometra gen. n. type Antedon micro- 
discus Bell Clark 46 p. 347 .—Z. ltoch- 
leri sp. n. Japan (Sagarai B.) Clark 45 
p. 339. 
Cystoidea. 
Cystidea occ. supposed stalk Leptaena- 
kalk, Sweden (Gland) Wiman 227. 
