ACCOUNT OF BRITISH SPONGES. lOS 



25 • Crist at a. Flat, erect^ and tender, resembling 

 a cock's-comb, with rows of small holes 

 that project a little, along the top. 



Spongia cristata. Ellis^ Zooph. p. 186. — GmeL 

 p. 3822. 



CockVcomb sponge. Phil. Trans. 55. p. 288. t. 11, 

 fig. G. (Ellis.) 



The description of this sponge, given by Mr 

 Ellis, renders it needless to add any thing further, 

 than to remark, that this appears to be the only 

 species of Spongia in which Mr Ellis ever disco- 

 vered actual signs of motive power. When it 

 was taken out of the sea, and put into a glass -ves- 

 sel of sea- water," says Mr Ellis, " I perceived 

 it to suck in, and squirt out the water through 

 the rows of holes or little mouths along the tops, 

 giving evident signs of life." 



Coast of Sussex. 



?6. Infundibuliformis, Funnel-shaped, flexible, 

 with the surface more or less roughened 

 and irregular. 



Spongia infundibuliformis. Lin. Syst.^p. 1296.-— 

 GmeL p. 3818.--Nat. Miscel. iv. t. 145.— Wern. 

 Mem. i. p. 562, f e/flweson. J 



Spongia crater iformis. Pallas, Zooph. p. 386. 



For the first time, this sponge has been public- 

 ly announced as British by Professor Jameson, 

 who found it on the shores of the Island of Unst, 

 T^etland. I have also been informed that Mr 



G % 



