92 Echin. xiv. echinoderma. 
Asterodon, singularis, incl. A. granulosus , measurements of various speci- 
mens ; Lud\vig (204) p. 19. 
Astrogonium annectens ; Richard (271) p. 68. 
Astropecten (?) sp. ; Michailovskij (223) p. 489. A. andromeda ; 
Petersen (259) A. hemprichii ; Bell (11) p.244. A. irregularis ; 
Lonnberg (197) p. 27 : Nichols (236) p. 247 : Simpson (294) p. 40. 
iAA montanus n. sp., Fort Benton beds, 23 miles N. of Bozeman, 
Montana, U.S.A. ; Douglass (65) p. 6 and fig. A. muelleri ; Petersen 
(259). f A. nodotianus \ Fritel (96a) p. 52, text-fig. A. poly acanthus ; 
Bell (11) p. 244. A. serratus ; Richard (271) p. 66. A. sp/ienoplax ; 
Nichols (236) p. 247. 
\Ataxaster n. g. with genotype A. pygmaeus n. sp., Lr. Ordovician D 1 y 
of Sta. Benigna, Bohemia, proximal Amb. opposed, distal alternate 
[no further diagnosis, description, or fig.] ; Jaekel (154) p. 106. 
Belgicella n. g. of Brisingidae , with genotype B. racovitzana n. sp., 
70° 40' S., 102° 15' W., 2800 m., detailed descr. ; Ludwig (204) p. 89, 
pis. iv, v. 
Brisinga coronata ; Nichols (236) p. 253: boreal not Arctic ; Ostergren 
(244) p. 28. B. endecacmenos [sic] ; Nichols (236) p. 253. 
Cheiraster , key to spp. (p. 18), G. gerlachei n. sp. about 70° S. & 80°-84° W., 
450-560 m., 57 specimens of all ages, complete descr. (p. 9, pis. i, ii) ; 
Ludwig (204). 
Cosmasterias lurida ; Ludwig (204) p. 40. 
t Crenaster priscus ; Siemiradzki (293) p. 336. 
Cribrella abyssalis ; Richard (271) pp. 65, 68. G. sanguinolenta ; Lonn- 
berg (197) p. 27 : Norman (239) p. 408 : two forms of spinulation 
distinguished, laevior and scabrior ; Michailovskij (223) pp. 478, 
526 : variations from type, relations to Echmaster scrobiculatus ; 
Mortensen (227) p. 72, pi. ii : (v. et. sub Henricia). 
Crossaster (v. et. Solaster) : — G, ajjinis ; Norman (239) p. 408. G. papposus ; 
1. c., variation in number of rays and other points ; Michailovskij 
(223) pp. 484, 528. 
Gtenodiscus corniculatus , measurements and minor variations ; Michail- 
ovskij (223) pp. 487, 529. G. crispatus ; Norman (239) p. 407. 
Culcita distrib. ; Doederlein (62) p. 687. G. pentangularis ; Bell (11) 
p. 245. 
Diplasterias liitkeni , notes ; Ludwig (204) p. 41. 
Diploaster multipes j Howe (150). 
Echinast&r purpureus ; Bell (11) p. 246. E. smithi n. sp., 71° S., 88° W., 
450 m. ; Ludwig (204) p. 34. 
Qoniaster : — f G. parkinsoni\ Fritel (96a) p. 53, text-fig. G. phrygianus; 
Norman (239) p. 408 : Petersen (259). f G. quinqueloba ; Ravn 
(265) p. 423. 
Goniodiscus sp. ; Bell (11) p. 244. 
Henricia sanguinolenta ; Simpson (294) p. 40 ; et var. abyssicola ; Nichols 
(236) p. 252 (v. et. sub Cribrella). 
Hexaster obscurus ; Norman (239) p. 408 (v. et. sub Pteraster). 
Hippasterias phrygiana ; Simpson (294) p. 40. 
Hymenaster giboryi ; Richard (271) p. 66. H. giganteus ; Nichols (236) 
p. 252. H. pellucidus , mouth spines descr. ; Michailovskij (223) 
pp. 480, 526 : var. with 3 adambulacral spines ; Mortensen (227) 
p. 80. H. perspicuus n. sp., 71° S., 89° W., 450 m., detailed descr. ; 
Ludwig (204) p. 30, pi. iii. 
Labidiaster radiosus , regenerating arms, but none intercalated, 3 inter- 
radial caeca ; Ludwig (204) p. 88, pi. iv. 
Lasiaster hispidus ; Michailovskij (223) p. 486. 
Leiaster conaceus ; Bell (11) p. 245. 
Leptophy caster [sic] arcticus ; Norman (239) p. 408. 
