Eel i * 51 
ASTEROIDEA. IV, D. 
Astrella simplex , see Luidia sarsi ; Ludwig (92). 
Astrogonium propegedmetricum , vide Petalastrum. A. pulchellum, variety 
with apical plates but slightly swollen, and with well-developed sup- 
plementary plates ; Faiiquhar (37) p. 200. 
Astropecten acanthifer , Red Sea; Leipoldt (84) p. 644. A. alatus ; 
Sluiter (150) p. 53. A. americanus and A. articulatus, distribution ; 
Verrill (164) p. 133. A. aurantiacus ; Sluiter (150) p. 53. A. 
irregularis ; l. c. ; Grieg (49) p. 5. A. javanicus; Sluiter (150) 
p. 53. A. pentacanthus, spermatogenesis ; Field (38). A. poly- 
acanthus ; Koehler (77) p. 387 ; Leipoldt (84) p. 645 ; Sluiter 
( 150) p. 53. A. vestitus , distribution ; Verrill (164) p. 133. 
A. ornans , New Ireland and New Caledonia; Sluiter (150) Bijdr. 
Dierk. xvii, p. 54. A. orsinii , Perim Id., Red Sea, sandy bottom, 
allied to A. tamilicus and A. zebra ; Leipoldt (84) Zeitschr. wiss. 
Zool. lix, p. 645. A. ternatensus [sic], Moluccas ; Sluiter (150) 
Bijdr. Dierk. xvii, p. 53 : n. spp. 
Batliybiastcr robustus, distribution ; VERRILL (164) p. 134. 
Benthopecten spinosus , includes Pararchaster armatus and P. semisquama- 
tus , var. occidentalis of Sladen, distribution ; op. cit. p. 129. 
tl Bipimiaria asterigera ” (? of Luidia ), development ; Bury (17) pp. 65- 
71. Vide Luidia sarsi. 
11 Brachiolaria” (? of Asterias glacialis ), development; Bury (17) 
pp. 71-74. 
Brisinga coronata, distribution in Mediterranean ; Marenzeller (104) 
p. 137. B. costala , distribution ; Verrill (164) p. 211. B. mediter- 
ranean Perrier, syn. of B. coronata ; Marenzeller (100). B. multi- 
costata( p. 211), and B. vcrticillata (p. 212), distribution ; Verrill 
(164). 
Calvasterias antipodum and C. stolidota, sfee Asterias rugispina. 
Chcetaster longipes , spermatogenesis ; Field (38). 
Chondraster , n. g. or subg. for reception of Porania grandis pars ; Ver- 
rill (164), Amer. J. Sci. xlix, p. 137. 
Cosmasterias, see Asterias. 
Craspidaster hesperus ; Sluiter (150) p. 52. 
Cribrella hyadesi , external characters described, probably includes C. obesa , 
and perhaps other species from Antarctic Seas; Leipoldt (84) p. 578. 
C. oculata ; Sluiter (150) p. 63. C. pagenstecheri , probably young 
of some species ; Leipoldt (84) p. 579. C. pectinata , distribution; 
Verrill (164) p. 204. C. sanguinolenta (= C. oculata ), distribution; 
op. cit. p. 205. C. simplex, probably young of some species ; Leipoldt 
( 84) p. 579. 
Crossaster affinis, specimens with 9 and 11 arms ; Sluiter (150) p. 61. 
C. helianthus, distribution; Verrill (164) p. 201. C. jmpposus ; 
Sluiter (150) p. 61: spermatozoon ; Ballowitz (3) : distribution; 
Verrill (164) p. 201. 
Ctenodiscus corniculatus ; Sluiter (150) p. 52. C. crispatus (= C. corni - 
culalus ), distribution ; Verrill (164) p. 132. 
