PLATE CXIV. 



Fig. 



1. Sabella penicilkis, L., pale variety, from Plymouth. 



2. Potamilla reniformis, Leuckart, with 15 anterior (thoracic) segments, from the 



dorsal surface. Enlarged. 

 2 a. Another example devoid of eyes on the branchial filaments. Enlarged. 



3. Potamilla Torelli, Malmgren, from the dorsum. Enlarged. 



4. Myxicola infundibulum, Montagu, in its gelatinous sheath, from St. Andrews Bay. 



Drawn by Mr. J. Pentland Smith, M.A. Slightly enlarged. 



5. Amphicora Fabricii, 0. F. Miiller, from the dorsum. Enlarged under a lens. 



6. Polymnia nebulosa, Montagu, seen laterally and ventrally. Enlarged. 



[KB,— Coloured plates CXV, CXVI and CXVII are in the next or final Part.] 



