— 19 — 

 Genus Tclliua, L. 



T. pulchella, Lamk. \ 



T. donacina, Gmeliu. ( Having Iateral 

 T. distorta, Polii. teeth. 



T. balaustiua, L. J 



T. planata, L. Maltese name Moscht.~\ 



Common. 

 T. depressa, Gm. [ Without lateral 



T. nitida, Polii. r teeth. 



T. tenuis, Matou et Rack. Rare. 

 T. fragilis, L. et Gm. J 



Tellince fosnles. 



Casts of Tellina are found iu Bed No. 2, the yellow sand, and 

 in Bed No. 4, the calcareous sandstoue. (T. Wright). 



Genus Diplodonta, Bronn. 

 D. apicalis, Phil. Somewhat rare. 



Genns Lucina, L. Lamk. 



L. pecten, Lamk. Common. 



L. digitalis, Lamk. Somewhat rare. 



L. lactea, Lamk. Very common. 



L. fragilis, Phil. Not comnion. 



L. pellucida, t Nobis. * Very rare. Iu saudy bottoms. Near 



Fort Ricasoli. 

 t Testa subovato-obliquata, tumidiuscula, pellucida, subtilis- 



sime striata, natibus hevibus, apicibus mucronatis, in- 



fiexis, lunula areaque impressis. 



Lucince fossiles. 

 Fossil species of Lucina, impcrfectly known from being 

 obtained with much difficulty, are fouud iu Bed No. 3, 

 the clay, in Bed No. 4, the calcareous sandstone, aud iu 

 Bed No. 5, the hard limestone. (E. Forbes). 



