82 ASTEROIDEA. 



ASTERINIDiE {see p. .22). 



Key to the Genera of Asterinidae. 



i. Abactinal plates thick and crescentic. Body 



slightly swollen 1. Asterina, p. 82. 



ii. Abactinal plates thin and lamellar. Body 



quite flat , 2. Palmipes, p. 83. 



1. ASTERINA. 



Asterina, Nardo, Isis, 1834, col. 716; Ag. Mem. Soc. Neuchdt. i. 

 (1836) p. 192; Forbes, Mem. Wern. Soc. viii. (1839) p. 119; 

 Gray, Ann. $ Mac/, vi. (1840) p. 289; Forbes, Brit. Starf. (1840) 

 p. 119 ; Norm. Ann. # Mag. xv. (1865) p. 121 ; Pen: Arch. Zool. v. 

 (1876) p. 214; Fig. t. c. (1878) p. 207; Sladen, Chall. Hep. Ast. 

 (1889) p. 376. 



An Asterinid in which, the marginal plates are not larger than 

 the others ; the papulae are distributed over the whole of the upper 

 surface, the skeletal plates of which are thick and crescent-shaped 

 and imbricated ; the disk is large and more or less flat. 



1, Asterina gibbosa. (Plate X. figs. 9 & 10.) 



Asterias gibbosa, Penn. Brit. Zool. (1777) p. 62 ; Turton, Brit. Faun. 

 (1807) p. 140; Penn. op. cit. (1812) p. 128; Fleming, Brit. An. 

 (1828) p. 486 ; de Blainv. Man. dAct, (1834) p. 238. 



Asterias verruculata, Retz. Diss. Ast. (1805) p. 12. 



Asterias exigua, Belle Chiaje, Mem. An. s. Vert. Nap. ii. (1825) 

 p. 353, pi. xviii. fig. 1 ; id. I)esc. An. s. Vert. Sic. cit. (1841) iv. 

 p. 55, v. p. 122, pi. 125. fig. 1. 



Asterias pulchella, de Bl. Man. dAct. (1834) p. 238. 



Asterina niinuta, Nardo, Isis, 1834, col. 716; Ag. Mem. Soc. 

 Neuch. i. (1836) p. 192. 



Asterina gibbosa, Forbes, Mem. Wern. Soc. viii. (1839) p. 120 • 

 Forbes, Brit. Starf. (1840) p. 119; Gray, Ann. $ Mag. vi. (1840) 

 p. 289; Thompson, Nat. Hist. Irel. iv. (1856) p. 440; Norm. 

 Ann. 8r Mag. xv. (1865) p. 121; Liitk. Vid. Medd. 1864 (1865), 

 p. 138; Gray, Synopsis, (1866) p. 16; Per?: Arch. Zool. exper. v. 

 (1876) p. 215; Giard, Bull. Sci. Nord, i. (1878) p. 297; Ludw. 

 Zeitschr.f. iviss. Zool. xxxi. (1878) p. 295 (genital organs) ; Vig. 

 Arch. Zool. exper. vii. (1878) p. 207, pi. xiv. figs. 8-12 ; Ludw. 

 Mitth. zool. Stat. Neapel, i. (1879) p. 540; Henderson, Proc. P. Phys. 

 Soc. Ed. ix. (1887) p. 332; Barrois, Rev. Biol. i. (1888) p. 70. " 



Asterias membranacea, Grube, Actin. etc. Mittelm. (1840) p. 26. 



Asteriseus verruculatus, M. Tr. Syst. Ast. (1842) p. 41; Sars, Nyt 

 Mag. xix. (1857) p. 49; Lorenz, SB. Ak. Wien, xxxix. (18(30) 

 p. 678; Duj. ■$; Hup. Ec.hin, (1862) p. 375; Heller, SB. Ak. Wien, 

 xlvi. (1862) p. 444; Pen: Ann. Sci. Nat. xii. (1869) p. 290, pi. 18. 

 fig. 10 ; Lacaze-Duth. Arch. Zool. exper. iii. (1874) p. 18 (develop- 

 ment). r 



Asteriseus gibbosus, Fischer, Act. Soc. Linn. Bordeaux, xxvii. (1872) 

 p. 366. 



