SPOXGIOXELLA. 183 



abundant, covering, and often entirely concealing, dead 

 shells of Pecten maximus in Birterbuy Bay, Ireland. 

 The sponge when living is of a lemon-yellow colour. 



It has been recorded by Schmidt from the Mediter- 

 ranean and from Florida. 



SUBORDER V, i, 201 ; ir, 11. 



Genus 27. DIPLODEMIA, Sow., i, 201; n, 11. 



DIPLODEMIA VESICULA, ii, 857; i, PI. XIV, fig. 273 ; PI. 

 XXIII, fig. 324 ; PL XXXVI, fig. 377 ; in, PI. 

 LXX, figs. 1214. 



ORDER III, KERATOSA, i, 205 ; n, 12. 



SUBORDER I, i, 205 ; n, 12. 



Genus 28. SPONGIONELLA, Bow., i, 206; IT, 12. 



SPONGIONELLA PULCHELLA (Sowerby), n, 359 ; i, PI. 

 XXXVII, fig. 380 ; in, PI. LXV, figs. 58. 



1861 Spongia pulchella, Bow. List. Brit. Mar. Invert. Fauna 



(Brit. Assoc.), p. 71. 



1862 Cacospongia scalaris, Schmidt. Spong. Adriat. Meeres, 



p. 27, pi. iii, fig. 4. 



1870 Cacospongia pulchella, Schmidt. Spong. Atlant. Geb. 

 p. 76. 



"Among the sponges I received for examination 

 from the Rev. A. M. Norman, was a small specimen of 



