36 ROCHESTER ACADEMY OF SCIENCE. [Nov. 23, 



Family LUCINID^. 



236. Lucina tigrina, ? Linn. I am not certain that this is the 

 same as our West Indian tigrina, but the characters are so nearly 

 alike, that if the two forms were mi.xed, it would be impossible to 

 separate them. 



237. Lucina sp. A small form which I was not able to identify 



Family VENERIDiE. 



238. Meretrix (Lioconcha) tigrina, Lam. A species of 

 great variation of color pattern. 



239. Meretrix (Pitar) laeta, Linn. 



240. Circe (Crista) pectinata, Linn. 



241. Dosinia variegata, Gray. A small species, apparently 

 very common. 



242. Venus (Chione) toreuma, Gould. 



243. " " Listeri, Gray. 



244. Tapes litterata, Linn. 



All the above species were well represented in the collection by 

 a number of individuals. 



Family DONACIDiE. 



245. Donax abbreviatus, ? Lam. 



246. " sp. Both common. 



Family TELLINID^. 



247. Tellina (Tellinella) rugosa, Born. 



248. " " virgata, Linn. 



249. " (Liotellina) radiata, Linn. 



250. " (Acropagia) scobinata, Linn. 



The above four forms were received in moderate quantity ; 

 the Tellinas do not seem to be abundant at the locality where these 

 were obtained. 



Family SEMELIDiE. 



251. Semele borbohica, Desh. Quite rare. 



