C 64 ) 



XV. Thefpecific CkaraHers of feme minute Shells df covered on the Coafi 

 of Pembrokefjtre, tvith an Account of a new marine Animal, By John 

 Adams, Efq. F. L. S. 



Read January 6, 1795. 



HAVE the honour to offer to the attention of the Linnaean 

 Society the fpecific characters of the following minute fhells 

 coUefted in the fea fand on the coaft of Pembrokefhire, and I be- 

 lieve hitherto unnoticed by our Britifli Conchologifts. 



I 



Arc A. Syfl. Nat. 31a. 

 minuta. A. tefta fubrotunda : ftriis concentricis, margine integro. 

 Obf. Color albus. 



BucciNUM. Syfl. Nat. 33. 



breve. i. B. tefla quinque anfraftibus : longitudinaliter cof- 



tatis : tranfverfim ftriatis. 



Obf. Color albus opacus, cauda breviflima. 

 Tab. 13./^. 3, 4. 

 minutum, 2. B. tribus anfradlibus : longitudinaliter coftatis. 



Obf. Color albus opacus. Fig. 5, 6. 

 lave. 3. B. tefta laevi tribus anfra<5libus, cauda elongata. 



Obf. Color albus opacus ; anfradus primus fe- 

 cundo multo ventricofior ; apertura ovalis. Fig. 



7.8. 



oblufjfimum. 



