PLATE LI. 



FIGS. 



1-5. Polyclinum anrantium M. Eclw. (p. 2) 1. A 

 cluster of colonies : natural size. 2. A cluster : 

 x 2. 3. Individuals removed from their common 

 envelope : magnified. 4. Part of a system show- 

 ing a few branchial apertures and one common 

 orifice : x 4. 5. A single colony : natural size 

 (M. Edwards, pi. i, f. G). 

 6. Polyclinum succinewm Alder. (p. 4) A colony : 



slightly enlarged. 



7 and 8. Polyclinum succineum var. subopacum var. nov. (p. 

 5) A colony from Gouliot Caves, Sark : x 2. (P. 

 subopaciun of the authors, but not described by 

 them.) 



9-11. Polyclinum cerebrif urine Alder, (p. 5) 9. A colony 

 from Bantry Bay: slightly enlarged. 10 and 11. 

 Clusters of colonies from Hastings : natural 

 size. 



