BLOOMER : ON THE BRITISH SPECIES OF THE GENUS SOLEN. 45 



Reference Letters. 



A. Anus. 

 A. A. Anterior adductor muscle. 



A. Ao. Anterior aorta. 

 A. L. Anterior lip. 



B. Dt. Large bile duct. 

 B. Dl'. Small bile duct. 



Cav. Small cavity receiving the 



small bile duct. 

 C. C. Caecum of crystalline style. 

 C. In. Convoluted portion of intes- 

 tine. 

 Cc. P. Cerebro-pedal connective. 

 Ce. V. Cerebro-visceral connective. 

 Con. T. Connective tissue. 

 C. S. Crystalline style. 

 C. St. Cardiac portion of stomach. 



Ep. Epithelium. 

 Ep. C. Ciliated epithelium. 

 Ep. Col. Columnar epithelium. 

 F. Foot. 

 In. Intestine. 

 Int. D. Dorsal integument. 

 Z. Liver. 

 L. L. Left lobe of liver. 

 Lo. A/. Longitudinal muscles. 

 jM. Mouth. 

 .M. /'. Muscular papilla. 

 M. A\ 0. Muscular ridge separating 

 the oesophagael from the 

 cardiac portion of the 

 stomach. 

 III. B. C. Muscular ridge separating the 

 cardiac from the pyloric 

 portion of the stomach. 

 M. B. P. Muscular ridge separating the 

 small cavity receiving 

 small bile duct, from 

 pyloric portion. 



