STAR-FISHES. 



28 3 



placed in rows underneath, whilst the sea water is ad- 

 mitted by a filtering plate situated on the upper sur- 

 face. The Crystal Palace Aquarium has a large 

 number of species of this interesting order in the 



Fig. 215. 



Ophiocoma neglecta. a. Natural size. 



living state, among which we may mention Uraster, 

 or "five-fingered star-fish " ; S cluster, or " twelve -rayed 

 star-fish;" cushion stars (Goniaster), "bird's foot" 

 star-fish (Palmipes), Cribella, Comatula (a species 

 allied to the crinoids, and which is indeed a crinoid 

 in its larval state) ; Asterina, &c. Among the brittle- 



