EXi^LAXATION OF PLATE \' 



Fij:. 1. — Isi-v hipjmris, Liuusieus?. Part of a coloay showing 

 the pahnate terminations of the twigs. Photo- 

 graph of a specimen 7cm. in height, from off the 

 coast of Queensland. 



Fig. 2. — Isis hippiiris, Linnoens. Photograph of a specimen 

 13-3cm. in height, from Murray Islnr.d, Torres 

 Strait. 



