HYMBNIACIDON, 75 



structure, a remarkably well-cliaracterised species, and 

 cannot well be mistaken for any otter nearly allied 

 Britisli sponge with wbicli we are at present ac- 

 quainted." 



10. Hymeniaoidon Beettii, Bow., ii, 158 ; in, PL 

 XXX, figs. 7—9. 



1867 Reniera Brettii, Gray, Proc. Zool. Soc, p. 618. 



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



Habitat. — Dredged in Saints Bay, Guernsey, 1865 

 (N.). 



11. Htmeniaoidon pkagilis, £ow., ii, 159 ; in, PI. 

 XXX, figs. 10— 12. 



1867 Beniera fragilis. Gray. Proc. Zool. Soc, p. 618. 



1870 Amorphina fragilis, Schwiit. Spong. Atlant. Geb., p. 76. 



12. Hymeniacidon eeticulatus, Soiv.,n,'[59; ni, 77, 

 PI. XXXI, figs. 1—3. 



1867 Beniera reticulata. Gray. Proc. Zool. Soc, p. 618. 

 1870 Amorphina reticulata, Schmidt. Spong. Atlant. Geb., 

 p. 76. 



Habitat. — Strangford Lough (N.). 



13. Hymeniaoidon fallaciosus. Bow., ii, 160 ; iii, 78, 

 PI. XXXI, figs. 4, 5.^ 



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

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

 p. 76. 



