388 



PllOifESSOR E. RAY LANKESTER. 



Some years ago (1871 — 72) I made some observations at 

 Naples on the structure of Fritillaria furcata, which satisfied 

 me that the rmisculattire of the tail of that animal is broken up 



Fig, 1. — Appendicularia {Fritillaria) furcata. Surface views. Magnified 

 about seventy diameters, a. Lateral superficial view of Fritillaria 

 furcata. B. A similar view from the veutral surface, c. A similar 

 view from the dorsal surface. lu this figure the alimentary tract and 

 the nervous axis are seen through the transparent integuments. _ 



into a series of myomeres, seven in number, one corresponding to 

 each pair of nerves given off by the axial nerve-cord. The drawings 



