io8 DISCOVERY REPORTS 



between the stomach and the intestine. The intestine bends sharply back after leaving the stomach, lies 

 close to the left side of the stomach, then bends forwards near the oesophagus. The rectum is of 

 moderate length and ends in a wide anus (a.) with about twelve shallow lobes. 



Gonad (Text-fig. 40 C, F). Only a single gonad was found in this specimen, and that is on the 



1.0 cm 



0.4 



Text-fig. 40. Cnemidocarpa tricostata sp.n. (St. 27) : A, external appearance ; B, specimen with test removed ; C, specimen with 

 right half of the body removed, seen from the right ; D, dorsal tubercle ; E, part of branchial wall ; F, transverse section of gonad. 



