787 



Venus. 



V. rostrata, sp. 42, is from Florida. 



V. Mstrionica, sp. 32 ; a more characteristic form is figured in 

 pi. clxviii. f. 229, from Mr. Hanley's collection. 



V. Kocldi, sp. 105, is V. pauper cida of Chemnitz. 



V. Afr'icana, sp. 106, is fioridella of Gray. 



V. jlexuosa, sp. 39, is properly V. impressa. 



V. punctifera, sp. 40, is the true V. flexuosa, of which a more 

 characteristic variety is figured in pi. clxviii. f. 230. 



V. magnified, sp. 2, was first so named by Mr. Iianley. 



V. spurca, sp. 49, was previously named Y. mesodesma. 



V. crelrisulca, sp. 75, is not the shell so named by Lamarck; 

 M. Deshayes has named it V. Juhesii. 



The following are new : — 



Sp. 110. V. parva (pi. clxviii. f. 227, 228), Sowerby, jun., like 

 V. pygmaa, but flatter and more finely decussated ; in Mr. 

 Hanlcy's collection; from Florida. 



Sp. 111. V. spliarhulca (pi. clxviii. f. 231), Deshayes. 



LIST OF FIGURES IN PLATE CLXVIII. 



{The Figure after each Name refers to the number of the Species.) 



CYPRINA AND SUPPLEMENTAKY VENEBID/E. 



Fig. 1, 2, 3. Cyp. Islandica, Linn. 



212, 213. Cyth. albodorsata, Soioh.jun. 123. 

 214,215. — lineolata, Sowb.jm. 124. 



216. — grata, Desk. 121. 



217. — 1 simplex, Soicb.jtm. 125. 

 164. Tapes inaoqualis, Sowb.jm. 11. 



165,166. — anatina, Sowb.jm. 78. 



167. — fluctuosa, Sowb.jm. 74. 

 227, 228. Venus parva, Sotob.jun. 110. 



229. — histrionica, 32. 



230. — flexuosa, Gmel. 39. 



231. — sphserisulca, Desk. 111. 



5 K 



