STKATA OF THE HAMPSHIRE BASIN. 155 



Nerita aperta, Sow. 0. 



aestuarina, Edw. MS. C. 



Neritina concava, Sow. C. 



Tornatella (Actaeon) hirmEeformis, Sandb. B. 



altera, Desk. B. 



Orthostoma crenata, Sow. B. 



retiarium, Edw. MS. B. 



X Kingicula parva, Edw. MS. B. 



Bulla aestuarina, Edw. MS. C, L. 



Lamarckii, Desk. B. 



curta, Edw. MS. L. 



simiUima, Edw. MS. L. 



navella, Edw. MS. 0. 



Cylichna globulus, Edw. MS. B, 



ovalis, Edw. MS. 0. 



Anomia Alcestiana, Nyst. B. 



Ostrea velata, S. Wood. 0. 



ventilabrum, GoUf. (O. prona, S. Wood). W, C, B, L. 



Pecten bellicostatus, S. Wood. B. 

 X Avicula media. Sow. B. 



Dreissena unguiculus, Sandb. B. 



Mytilus strigillatus, S. Wood. 0. 



Modiola Nystii, KicU. MS. B. 



ignota, Edw. MS. B. 



X Area biangula, Lam. B. 



appendiculata. Sow. W, B. 



Isevigata, Caill. C, L. 



X duplicata. Sow. (A. sulcicostata, Nyst). B. 



Trigonocoelia deltoidea, Lam. C, B, L. 



Nucula headonensis, Forbes. 0. 



nudata, S. Wood. B. C. 



X similis, Sow., var. B. 



Leda propinqua, S. Wood. C. 



minima, Soio. B. 



Cardita simplex, Edw. MS. B. 



paucicostata, Sandb. B. 



deltoidea. Saw. W, B, 0, L. 



orbicularis, Goldf. B. 



X oblonga, Sow., var. transversa, Edw. MS. B. 



Crassatella hantoniensis, Edw. B. 



Lucina obesa, Edw. MS. C. 



concava, Defr. B, 0. 



pulvinata, Edw. MS. 0. 



X bartoniensis, Edw. MS. B. 



X Menardii, Desk., var. B. 



Strigilla colvellensis, Edw. MS. C. 



Diplodonta suborbicularis, Edw. MS. B. 



obsea, Edw. MS. B. 



planiuscula, Edw. MS. B. 



X dilatata, Sow. B. 



X Oardium porulosum, Lam. B. 



obliquum, Lam. B. 



Edwardsii, Desk. B. 



Protocardium hantoniensis, Edw. B. 

 X Oypricardia pectinifera. Sow. B. 



Isocardia transversa, Nyst. B. 



Scintilla angusta, S. Wood. 0. 



Lepton tumidum, Edw. MS. 0. 



Cyprina Scutellaria, Desk. {Nyst). B. 



Nystii, i7^6. B. 



a, X Oytherea incrassata, Sow. sp. W, B, C, L. 



M 2 



