162 BEITISH SPONGIAD^. 



Genus 23. — Eaphiodesma, Bow., hi, 235. 



= Baphioderma, Bowerbank. Last Rep. Dredg. Shetland, Norman 

 on Porifera, Brit. Assoc. Rep., 1868 (1869), p. 333. 



1. Raphiodesma floeeum, Bow., ii, 190 ; in, 94, PI. 



XXXVII, figs. 14—19. 



1866 iS/memacirfdn ./Zorettire, Bowerbant. ii, 190. 



1867 Carmia florcum, Gray. Proc. Zool. Soc, p. 537. 

 1870 Esperia florea, Schmidt. Spong. Atlant. Geb., p. 76. 

 1874 Eaphiodesma floreum, Bowerbank. in, 94, pi. xxxvii, 



figs. 14—19. 



Habitat. — On living shells of Pecten varius, covering 

 thickly the valves, Laminarian zone, "Westport Bay, 

 Oo. Mayo. The living sponge is of a purplish hue 

 (N.). 



2. Raphiodesma lingua, Bow., ii, 187 ; iii, 237, 354, 



PI XLVII, fig. 8, and LXVII, figs. 1—6. 



1861 Ealichondria lingua, Bowerbank. List Brit. Mai-ine 

 Invert. Fauna (Brit. Assoc), 1861, p. 69. 



1866 Symmiaddon lingua, ii, 187. 



1867 Myeale lingvM, Gray. Proc. Zool. Soc, p. 533. 



1868 EapModerma coacervata, Bowerbank. Last Report 



Dredging Shetland Isles, Norman on Porifera, Brit. 



Assoc. Report, p. 333. 

 1870 Esperia lingua, Schmidt. Spong. Atlant., p. 76. 

 1874 Eaphiodesma lingua, in, 237, 354, pi. xlvii, fig. 8, and 



Ixvii, figs. 1 — 6. 



This is the most massive and largest of British 

 sponges. The specimen in my collection, described in 

 vol. iii, p. 354, as eleven inches high, six inches and 

 three quarters in breadth near the base, four inches 

 near the middle, and one inch and a quarter in thick- 

 ness, of tongue-like form, is evidently after all, large 

 though it is, only a portion of the entire sponge. The 



