260 BULLA. DIPPER. Class VL 



ig. PATULA. Lin. Tr. viii. 121. Mo7tf. Test. Br. 207. id. 



*'?"''• .. Sup. 93. 



B. with one end much produced, and fusiform , 

 the aperture very patulous. 



IVeymouth. From the Portland cabinet 

 Tab. Ixxiii. fig. 4. 



20. FLEXILIS. Mont. Test. Br. Sup. App. 168. 



* B. with a pellucid horn-colored shell, flexible 

 when moist, much more wrinkled than the B. 

 haliotoidea, which it otherwise much resembles; 

 length half an inch. 



