86 BEITISH SPOKGIAD^. 



S2. Htjsjbnucidon vieidans. Bow., ii, 178 ; in, 85 ; 

 PI. XXXII, figs. 19—22. 



1867 Beniera viridans, Gray. Proo. Zool. Soc, p. 518. 



Habitat. — Pound by Mr. Peach in Shetland in 1864 

 ifide Bowerbank in litt. ad A. M. N). 



33, HiMENiAciDON ATTEEus {Montagu), II, 181 ; iii, 88. 

 PI. XXXIV, figs. 7—9. 



1867 Beniera avrea. Gray. Proc. Zool. Soc, p. 518. 



1870 Amorphina avrea, Schmidt. Spong. Atlant. Geb., p. 76. 



Eabitat. — Between tide marks Tobermory, Isle of 

 MuU (N.). 



34. Htmeniacidon aematueus. Bow., ii, 183; iii, PI. 

 XXXIV, figs. 12—15. 



1867 Beniera armatura. Gray. Proc. Zool. Soc, p. 518. 



35. Htmeniacidon callosus. Bow. n. sp., iv, PI. IV, 

 figs. 6 — 9. 



" Sponge massive, nnattaclied. Surface coriaceous, 

 minutely hispid and slightly rugose. Oscula and pores 

 inconspicuous. Dermis slightly coriaceous; abun- 

 dantly spiculous, spicula acuate, arranged in a dense 

 closely constructed network ; rete rough, stout, and 

 bristKng with defensive spicula; areas small and 

 irregular. Skeleton spicula acuate, numerous, rather 

 larger than those of the dermis. 



" Colour. — In the dried state, light fawn-yellow. 



