ASTEROIDEA. (iV, D.) 
Echin. 87 
Asterinidcn , rediagnosed ; Perrier (263) p. 42. 
Asteropsis vernicina . , irregularity in specialised pedicellarise ; Farquhar 
( 83) p. 194. 
A. imperialism Raoul Id., Kerrnadecs ; Farquhar (83) J. Linn. Soc. xxvi, 
p. 193 : n. sp. 
Astrella simplex , see Luidia sarsi , brephic stage. 
Astrogonium, rediagnosed; Perrier (263) p. 44. — A . annectens ; Koehler 
(163) p. 451, & (164) p. 57: Bay of Biscay; Perrier (263) p. 45. — A. 
pulchellum var. B. of Hutton is perhaps A. abnormale Gray, perhaps 
- A. button? i, n. s. ; Farquhar (83) p. 194. — \A. sp. ?, Pliocene of 
Piacentino; Prato (271) p. 48, pi. 
A stropecten, rediagnosed; Perrier (263) p. 51 : key to Mediterranean spp., 
and diagnosis; Ludwig (209) p. 283: rcdiagnoscd, with special 
reference to Mediterranean genera, and key to spp. ; Ludwig (210) 
p. 2: feeding on Molluscs; Sciiiemenz (295). — A. aurantiacus, B. of 
Biscay; Perrier (263) p. 51: diagnosis; Ludwig (209) p. 284: 
synonymy, diagnosis, external description, measurements of old and 
young, colour, geogr. and bathymetric distrib., food, breeding-period ; 
Ludwig (210) p. 3, pis. ii, vi. — A. bispinosus; Marchisio (216) 
p. 3: diagnosis; Ludwig (209) p. 284: and var. platyacanthus , 
treated similarly to A. aurantiacus ; Ludwig (210) p. 16, pis. ii, 
vi. — A. brevior Lorenz, merged in A. pentacanthus (q. v.); Ludwig 
( 210) p. 451. — A. Jlanaticus Lorenz, not upheld; Ludwig (210) 
pp. 18, 451. — A. gracilis Giebel, supposed Mediterranean sp. = 
Craspidaster hesperus , known only from W. Pacific; Ludwig (210) 
p. 60. — A. granulatus, measured; Doederlein (69) p. 305, pi. xviii. — 
A. hemprichii, colour; Pfeffer (267) p. 47. — A . irregularis ; Koehler 
(164) p. 53: variation in spines; Koehler (163) p. 450: skiagram; 
Meek (226). — A. jonstoni, diagnosis; Ludwig (209) p. 286: treated 
similarly to A. aurantiacus ; Ludwig (210) p. 50, pis. ii, vi. — A. 
jonstoni M. Tr., syn. of A. spinulosus Philippi (q. v.); Ludwig (210) 
p. 451. — A. pentacanthus ; Marchisio (216) p. 3: diagnosis; Ludwig 
( 209) p. 285: treated similarly to A. aurantiacus ; Ludwig (210) p. 39, 
pis. ii, vi. — A. platyacanthus; Marchisio (216) p. 3: var. of A. 
bispinosus (q. v.); Ludwig (210) p. 451. — A. polyacanthus , colour; 
Pfeffer (267) p. 47. — A. serratus, B. of Biscay ; Perrier (263) p. 51 : 
described as var. of A. pentacanthus and held to include A. hispidus; 
Ludwig (210) p. 47. — A. spinulosus, diagnosis; Ludwig (209) p. 285: 
treated similarly to A. aurantiacus; Ludwig (210) p. 31, pis. ii, vi. — 
A. squamatus , colour ; Marchisio (216) p. 3 : syn. of A. jonstoni (q. v.). 
— A. velitaris , measured; Doederlein (69) p. 307, pi. xviii. — A. zebra 
(includes A. coppingeri Bell), measured and described; Doederlein 
( 69) p. 306, pi. xviii. — fA. sp. (cf. A. forbesi and A. bispinosus ), 
Miocene of Gombio, Italy ; Prato (271) p. 43, pi. 
\A. linati, Middle Pliocene, Piacentino and Parma district, locality uncer- 
tain; Prato (271), Riv. ital. Pal. ii, p. 45, pi., n. sp. 
Astropectinidce, rediagnosed ; Perrier (263) p. 50. 
Astropectinince, rediagnosed; Perrier (263) p. 51. 
Brisinga , diagnosis; Ludwig (209) p. 308: rediagnosed with special 
reference to Mediterranean genera; Ludwig (210) p. 418 : rediagnosed; 
Perrier (263) p. 20. — B. coronata; Koehler (163) p. 440: redescr.; 
Koehler (164) p. 38: Azores; Perrier (263) p. 20: diagnosis; 
Ludwig (209) p. 308: (incl. B. mediterranea Perrier), diagnosis, 
literary history, external description, measurements of old and young, 
colour, geogr. and bathymetric distrib., food, breeding-period, regene- 
ration; Ludwig (210) p. 418. 
Brisingidce , rediagnosed ; Perrier (263) p. 19. 
Bunaster , n. g. with genotype B. ritteri, Amboina, allied to Ophi- 
