10 
BRITISH SPONGES. 
?e. Sff. Presented by G. Johnston, M.D. 
g. Spicula, in Canada balsam. Prepared by J. S. Bower- 
bank, Esq. 
Var. 3. JoJinst. Brit. Sp. 114. t. 10. figs. 3, 4. (Plate XI. fig. 5.) 
Cock’s-comb Sponge, Ellis in Phil. Trans, abridg. xii. 261. pi. /. 
fig. E. 
Alcyonium manus diaboli, Linn. Syst. 1296 ; Esper , Alcyon. 66. 
t. 21. figs. 1, 2, and t. 22. 
Spongia eristata, Ellis and Soland. Zooph. 186; Turt. Gmel. iv. 
659; Turt. Brit. Faun. 208; Bose. Vers, iii. 172; Stew.Elem. 
ii. 434 ; Montagu in Wern. Mem. ii. 103; Lamour. Cor. Flex. 
28, Corail. 156 ; Gray, Brit. PI. i. 359 ; Templeton in lib. ix. 
471 ; Risso, L’Europ. Merid. v. 370. 
Sp. papillaris, Montagu in Wern. Mem. ii. 90 ; Grant in Edin. 
New Phil. Journ. i. 343, and ii. 138. pi. 2, 21, 25, 26; Roget, 
Bridgew. Treat, i. 149. fig. 53. 
Scypha papillaris. Gray, Brit. PI. i. 357. 
Halina papillaris. Grant in Cyclop. Anat. andPhys. 1 . 108. fig. 29; 
and Outl. Comp. Anat. 311. fig. 108. 
Spongia compacta, Sowerby’s Brit. Misc. 85. pi. 42 ; Turt. Br. 
Faun. 208. 
Var. 4. Johnst. Brit. Sp. 114. 1. 11. fig. 5. 
h, i,j. Presented by G. Johnston, M.D. 
k. Dublin Bay. Presented by G. Johnston, M.D. 
16. Halichondria aculeata. 
Halichondria aculeata, Bean MSS.; Johnst. Brit. Sp. p. 131. 
pi. 13. figs. 1^3, p. 247. 
Inhab. ? 
d. iEGAGROPILA. 
17. Halichondria Fucorum. 
Spongia Fucorum, Esper, Spong. tab. 49. figs. 1, 2. 
Halichondria fucorum, Johnst. Brit. Span. 112. t. 9-12. fig. 2, 
p. 246. 
Spongia parasitica, Montagu in Wern. Mem. ii. 114; Gray, Brit. 
PI. i. 360 ; Grant in Edin. New Phil. Journ. i. 348. 
Halichondria parasitica, Flem. Brit. Anim. 521 ; Thompson in 
Ann. Nat. Hist. v. 254 ; Bellamy’s South Devon, 268. 
Ilalispongia parasitica, Blainv. Actinol. 532. 
a. On Sertularia? “Ireland, W. Thompson, Esq.” Pre- 
sented by G. Johnston, M.D. 
b, c. On Floridea. Ireland, W. Thompson, Esq. Presented 
by G. Johnston, M.D. 
d. On Fucus, Johnst. Br. Sp. t. 9. Ireland, W. Thompson, 
Esq. Presented by G. Johnston, M.D. 
