HYMENIACIDON. 75 



structure, a remarkably well-characterised species, and 

 cannot well be mistaken for any other nearly allied 

 British sponge Avith which we are at present ac- 

 quainted." 



10. HYMENIACIDON BEETTII, Bow., n, 158 ; in, PL 

 XXX, figs. 79. 



1867 Eeniera Brettii, Gray. Proc. Zool. Soc., p. 518. 



1870 Amorpliina Brettii, Schmidt. Spong. Atlant. Geb., p. 76. 



Habitat. Dredged in Saints Bay, Guernsey, 1865 



(N.). 



11. HYMENIACIDON FEAGILIS, Bow., n, 159; in, PL 

 XXX, figs. 1012. 



1867 Eeniera frayilis, Gray. Proc. Zool. Soc., p. 518. 



1870 Amorpldiia fragilis, Schmidt. Spong. Atlaut. Geb., p. 76. 



12. HYMENIACIDON EETICULATUS, Boiv., n, 159 ; in, 77, 

 PL XXXI, figs. 13. 



1867 Reniera reticulata, Gray. Proc. Zool. Soc., p. 518. 

 1870 Amorpliina rdicidata, Schmidt. Spong. Atlant. Geb., 



^ / 



p. *O. 



Habitat. Straugford Lough (N.). 



13. HYMENIACIDON FALLACIOSUS, Bow., u, 160; in, 78, 

 PL XXXI, figs. 4, 5:; 



1867 Eeniera falladosa, Gray. Proc. Zool. Soc., p. 518. 

 1870 Amorpliina fallaciosa, Schmidt, Spong. Atlant. Geb., 

 p. 76. 



