the Genera and Species of Starfish. 



289 



Ast. Equestris? Thompson, Mag. Nat. Hist. ix. 237. Goniaster 

 Templetoni, Forbes, Wern. Trans. 1839. 6. 



Inhab. Isle of Arran and Plymouth Sound, Dr. W. E. Leach, 1817. 

 Isle of Man, Douglas Bay, /. R. Wallace, Esq. 



2. Asterina, Nardo. 

 Body rather py ram idical, 5 -rayed ; the back convex ; the oral sur- 

 face flat ; the ossicula of each surface furnished with 1 or more mo- 

 bile tapering spines ; the margin sharp-edged, each of the ossicula 

 with a marginal series of spines ; ambulacral spines placed in groups 

 of 4 or 5 . 



1. Asterina gibbosa, Forbes. Asterias gibbosa, Pennant, B. Z. iv. 

 121. n. 6; Flem. B. A. 486. Pentaceros plicatus et concavus, 

 Linck, 25. t. 3. f. 20. Asteriscus exigua, Pet. Gaz. t. 16. f. 8. 

 Ast. minuta, Linn. ? Ast. stellata obtusa ciliata, Linn. F. Suec. 

 2112. Asterina minuta, Agassiz ? Asterias pulchella, Blainv.} 

 Faun. Franc, t. : Man. Malac. t. 22. f. 8. 



Each of the ossicula of the oral surface with a central pair of mo- 

 bile tapering spines. Each of the marginal ossicula of the dorsal 

 surface with a pair of spines, of the discal one with many crowded 

 pairs ; back with series of distinct pores. 



Inhab. Plymouth Sound, Dr. W. E. Leach. Ireland, Linck. 

 Marseilles, Dr. W. E. Leach. Sicily, W. Swainson, Esq. Ma- 

 deira, Rev. — Bulwer. 



2. Asterina Burtonii. Rays elongate, convex, blunt at the end ; 

 each of the ossicula of the oral surface with a central group of 3 

 crowded mobile tapering spines, of the dorsal surface with a crowded 

 group of short tubercles. 



Inhab. Red Sea. James Burton, Esq. 



3. Asterina minuta. Asterias minuta, Linn., Gmelin ? Asterias 

 exigua, Lam. n. 43 ; Seba, iii. t. 5. f. 15. 15. 



Each of the ossicula of the oral surface with a single spine or a 

 central group of 3 crowded mobile spines ; of the dorsal surface gra- 

 nular, with a few very small spicula on the upper edge, and of the 

 margin with a spreading tuft of spines. 



Var. 1. Larger, each of the ossicula of the oral surface with 3 

 spines ; Var. 2. smaller, each of the ossicula with one and rarely 2 

 spines. Monstrosity 1, rays 4 ; and 2, rays 6. 



Inhab. America, Linn. West In ies, St. Vincent's, Rev.L. Guild- 

 ing. 



The specimens of the two varieties exactly resemble each other, 

 except in the characters mentioned, and they appear to have been 

 taken at the same time. 



4. Asterina Krausii, Gray. Olive-green; the centre ossicula of the 

 oral surface spineless, those near the margin with a single central 

 triangular spine ; the dorsal ossicula with a series of minute, very 

 short blunt spines. 



Inhab. Cape of Good Hope. Dr. Kraus. 



5. Asterina Gunnii, Gray. The central ossicula of the oral surface 

 Ann. Mag. Nat. Hist. Dec. 1840. u 



