40 



OPHIURvE. 



OPHIURIDM. 



OPHIURJE. 



if tK. \ 



*?**& 



as* . ^ 



. ^mm^ 



«% j 



MZ A 



*^ 



% 



THREAD-RAYED BRITTLE-STAR. 

 Ophiocoma fiKformis. Muller. 



Specific Character. — Disk subpentangular, notched, flat, imbricated with small 

 smooth scales. Two oblongo-lanceolate, diverging scales, opposite the origin of 

 each ray. Rays very long. Upper ray-scales square ; lateral ray-plates, each 

 bearing five spines, which are shorter than the breadth of the ray. 



Asterias fili/ormis, Muller, Zool. Dan. Prod. 2843 ; Zool. Dan. t. lix. pi. 



cxxii. f. 1-3. 

 Ophiura fili/ormis, Lam. 1 Edit. II. p. 546 ; 2 Edit. III. p. 236. Blainv. 



Man. d'Actin. p. 244. 



Among other places visited on a dredging excursion, in 

 company with Mr. Smith of Jordanhill, in his pretty 

 yacht the Amethyst, during the month of July 1839, was 



