12 BRITISH SPONGES. 
21. HALICHONDRIA seriata. 
Spongia seriata, Grant in Edin. Phil. Journ. xiv. 116. 
Halichondria seriata, Johnst. Br. Sp. p. 125. t. 14. fig. 2, p. 197- 
248. 
a. Tenby, J.S. Bowerbank. Presented by G. Johnston, M.D. 
6. Br. Sp. t.14. f.2. Tenby, J. S. Bowerbank. Presented 
by G. Johnston, M.D. 
e. Spicula of a, m Canada balsam. Prepared by J. 58. 
Bowerbank, Esq. 
22. HALICHONDRIA sanguinea. 
Spongia sanguinea, Grant in Edin. New Phil. Journ. ti. 135, and 
203. pl. 2. fig. 9. 
Halichondria sanguinea, Flem. Brit. Anim. 521; Johnst. Br. Sp. 
134. t. 14. fig. 3, p. 248. 
Halispongia sanguinea, Blainv. Actinol. 532. pl. 94. fig. 9. 
a. Dublin Bay, W. Thompson, Esq. Presented by G. John- 
ston, M.D. 
b. Abnormal form. Presented by G. Johnston, M.D. 
c. Berwick Bay. Presented by G. Johnston, M.D. 
d. Dublin Bay. Presented by G. Johnston, M.D. 
e. Spicula of a, m Canada balsam. Prepared by J. S. 
Bowerbank, Esq. 
e. CLIONA. 
23. HALICHONDRIA2? celata. 
Halichondria? celata, Johnst. Br. Sp. p. 125. fig. 13, p. 197-248. 
Var. 2. Johnst. Brit. Sp. 125, 
Cliona celata, Grant in Edin. New Phil. Journ. i. 78, ii. 183. 
pl. 2. fig. 7 (the spiculum); Flem. Brit. Anim. 516; Stark, 
Elem. 1. 421; Johnst. Brit. Zooph. 305. pl. 42. fies. 5,6; Du- 
jardin in Ann. des Sc. Nat. n. s. x. 5. 
La Chone cachée, Blainv. Actinol. 527. pl. 94. fig.7. (The spi- 
culum copied from Grant.) 
b,c,d. Massive and rude. Cornwall, W. C. Peach, Esq. 
Presented by G. Johnston, M.D. 
a. In holes in shells (Cliona cinerea). Scarborough, W. 
Bean, Esq. Presented by G. Johnston, M.D. 
e. Mass in holes in stone. Devonshire. Presented by G. 
Johnston, M.D. 
J; 9, h. Mass in holes in stone. Presented by G. Johnston, 
M.D 
i, 4, k. In holes in shells. Presented by G. Johnston, M.D. 
1. Spicula of a, in Canada balsam. Prepared by J. S. 
Bowerbank, Esq. 
