286 Mr. J. E. Gray's Synopsis of 



as the width of the body ; the spines near the ambulacra oblong, 

 compressed, truncated. 

 Inhab. . 



11. Linckia intermedia. Rays elongate, cylindrical, rather taper- 

 ing at the end, formed of oblong convex ossicula ; pore on the back 

 single, on the sides in 2 rows of groups of 3 or 4, the series of spines 

 on the side of the ambulacra separate from it and from one an- 

 other. 



Inhab. . 



12. Linckia Erythraea. Rays elongate, cylindrical ; the row of 

 small spines near the ambulacra double in some part of its length. 



Inhab. Red Sea. James Burton, Esq. 



c. Ambulacra with a series of short filamentous spines, placed in 

 groups of 4 or 5 (1 group on each ossicule) ; rays formed of series of 

 tubercles with (1 or 2) small holes between them, and covered with 

 granules. 



* Rays with only 1 (or 2) series of small blunt spines on the side 

 of the ambulacral spines. 



25. Fromia, Gray. 



Rays 5 — 8, flat, triangular ^formed of flat-topped granular tuber- 

 cles. 



1. Fromia milleporella. Asterias Sebse, Blainv., Seba, Thesaur, 

 t. 8. f. a. b. Asterias Millepora, Lam. Rays flat, pale yellow (dry.). 



Var. 1. Rays 6, rather slender; Var. 2. rays 7, slenderer; Var. 3. 

 larger, 5 or 6-rayed. 



Inhab. Isle of France, Dr. W. E. Leach. Indian Ocean, Gen. 

 Hardwicke. Red Sea. James Burton, Esq. 



26. Gomophia, Gray. 



Rays elongate, cylindrical, tapering, with a terminal tubercle ; back 

 with large rounded tubercles ; back of the rays with series of large 

 conical convex tubercular spines ; the spines near the ambulacra 

 small, crowded. 



1. Gomophia Egyptiaca. Rays tapering, acute, 4 times as long as 

 the width of the body, with 5 irregular rows of conical acute tu- 

 bercles. 



Inhab. Egypt. Sir J. G. Wilkinson. 



** Rays with the series of spines on the side of the ambulacra gra- 

 dually passing into the granulations which crowd on them. 



27. Nardoa, Gray. 



Rays cylindrical, spineless, formed of large granular convex ossi- 

 cula. 



1. Nardoa variolata. Asterias variolatus, Lam. 36; Oudart, t. . 

 f. . Pentadactylosaster variolatus, Linck, t. 8. f. 10. Linckia va- 

 riolosaj^anfo. 



Inhab. Mediterranean Sea. 



