PLATE XVn. 



Fig. \.— Gill ill f rw/is Tojisi-nt. p. 15. 



Fig. la. — Set'tion of auiiie ( x .''). 



Fig. 2. — Gelliiif fimbriatiis Kirkp., nut. sizi', )>. 4ti. 



Fig. 2a. — Section of same ( x •">). 



Fig. 3. — GpIIi'iix piloxuft Kirkp.. nat. sizi, p. 17. 



Fig. ;^a. -Section (X ."i). 



Fig. t. — Gplli.m glaciidi)' var. niriM Ridley au'l l>'-uiiy. nat. size, ]>. I '.I. 



Fig. h.— GelliiiK cimirhitifonnix Kirkp., nat. !-iz'\ p. t'^. 



Fig. aa. — Another specimen of .same. nat. size. 



Fig. Sb. — Surface ( x 60). 



Fig. Tic^Sectiou ( x i;.i). 



Fig. Vi.— -Sigmaxitiy!<sa phdhi'llidiilf^ Kirkp., nat. ni>;':, p. I'o. 



