85 



CYNTHIA OVATA. 



CHANNEL ISLANKS. Guernsey; dredged (Jeffreys 

 Norman). 



First record. Alder & Hancock ; coll. Jeffreys & 

 Norman. 



A beautiful and very distinct species (PL XXX, 

 figs. 4 and 5). It was adhering to the inside of an 

 old bivalve shell G//prina islcinJica. 



The mantle (PL XXXII, figs. 8-5, and fig. 54 in 



FIG. 54. The mantle of Cynthia ovata. Three times natural size. I. 

 Liver, oe. (Esophagus, r. Reproductive organs, and ? . 



text) is delicate, with the muscular fibres fine, regularly 

 disposed and placed considerably apart, the encircling 

 ones being more conspicuous than those radiating from 

 the tubes ; the inner pallial processes or tubercles are 

 not numerous, but vary in form and- size. 



The branchial folds (PL XXXIII, fig. 1) are narrow; 

 the primary vessels pretty-regularly large and small; 

 the stomata are linear and rather Ions: with the ex- 



^* 



tremities rounded; there are four longitudinal rods 



