Catalogue of Non~CalcG ireous Spoinges. 245 



Trachycladus hcvispiru lifer, Carter. 



Trackydadus lavispirulifer, Carter, A.M.N.H., May, 1879, p. 

 343, pi. xxviii., figs. 1-5, and November, 1885, p. 357. 



This species forms a very characteristic element of the 

 sponge fauna of Southern Australia and may be very readily 

 recognised by its irregularly branched external form with 

 usually long and slender branches, by its brilliant red or orange 

 colour in life, disappearing in spirit, and by its abundant 

 minute spiral microscleres. Scarcely less characteristic of the 

 species is the presence of immense numbers of short, jointed 

 algal rods, in which, according to Mr. Carter, the red colour is 

 lodged and which give to sections of the sponge a very peculiar 

 opaque appearance. 



Some of my specimens exhibit faint microspination of the 

 spiral microscleres. This is especially seen in R.JV. 415 and 

 1046, which are also of more robust and shorter branched habit 

 than usual. It must be remembered, however, that the original 

 type figured by Carter was also short-branched. 



Ji.N. 297(20 1; "orange-red"); 306 (20 f.; "orange-scarlet"); 

 366 (20 f.; "crimson"); 415 (x, 19 f.); 426 (x, 19 f.; "flame- 

 scarlet"); 467 (x, 20 f.; "orange-chrome"); 470 (x, 20 f.; 

 "scarlet"); 983 (s. 1); 984 (s. 1); 1000 (s. 1); 1035 (x B); 

 1046 (x B); 1061 (x A). 



B.M. sp. 71 (" Trachycladus lavispirulifer C," Reg. 86-12-15- 

 42); d. 126 (" Trachycladus Icevispirulifer," Reg. 86-12-15-421). 



Family SUBERITID^. 



Megascleres typically tylostylote, sometimes stylote. No 

 mici'oscleres. Sponge usually massive. Spongin usually absent. 

 Usually with a dermal crust of radially arranged spicules. 



Genus Suberites, Nardo. 



Sponge usually irregular in form, massive to ramose, without 

 mammiform projections and without marginal fringe of spicules. 

 Usually with well-developed heads to the tylostyli. 



Suberites carnosus, Johnston sp. 



Halichondria caruosa, Johnston, British Sponges, p. 146, pi. 

 xiii., figs. 7, 8. 



