1857.] BAILY — FOSSILS FROM THE CRIMEA. 141 



Loc. Badrax. Upper Greensand. 



Presented by the Imperial School of Mines, St. Petersburg. 



54. Ostrea hippopodium, Nilsson, t. 7. f. 1 a, b ; D'Orb. pi. 482. 

 Loc. Badrax. Upper Greensand. 



Presented by the Imperial School of Mines, St. Petersburg. 

 Loc. Inkerman. Upper Chalk. 



55. Ostrea laciniata, D'Orb. pi. 486. f. 1, 2. 

 (Chama) laciniata, Nilsson. 



Loc. Inkerman. Upper Chalk. 



56. Ostrea curvirostris, Nilsson, t. 6. f. 5 a, b. 



Loc. Inkerman. Eight single valves from Upper Chalk. 



57. Ostrea, sp. nov. ? 



Loc. Inkerman. Two single valves. Upper Chalk. 



58. Exogyra haliotoidea, Lamarck. 



Chama haliotoidea, Sow. M. C. t. 25 ; Nilsson, t. 8. f. 3 a-d. 

 Loc. Inkerman. Upper Chalk. 



59. Exogyra columba, Lamarck (Morris's Catalogue). 



Ostrea columba, Desh. ; D'Orb. Ter. Cret. pi. 477. 



Gryphcea columba, Sowerby. 

 Loc. Badrax. Upper Greensand. 

 Presented by the Imperial School of Mines, St. Petersburg. 



60. Avicula? Lithuana, Eichw. 



This fine large oyster-like shell, which is at present placed in the 

 genus Avicula (although doubtfully) by Bronn in his ' Index Palee- 

 ontologicus,' has a straight hinge-line without ears, the right valve 

 being convex with concentric laminse, and the left flat (as in Ostrea) 

 with widely distant radiating furrows ; hinge toothless and central, 

 with a large cartilage-pit. 



Loc. Badrax. In Upper Greensand. 



Presented by the Imperial School of Mines, St. Petersburg. 



Section Siphonida. 



61. Astarte?, sp. 



Loc. Inkerman. Upper Chalk. 



62. Crassatella, sp. Cast of the interior of a large species. 

 Loc. Inkerman. White Chalk. 



63. Crassatella, sp. Casts of a large species, which differs in 



various particulars from the last, No. 62. 

 Loc. Inkerman Castle Rock. White Chalk. 

 Two specimens collected by Dr. Sutherland, of the Sanitary Com- 

 mission for the Army of the East. 



64. Cardium conniacum ?, D'Orb. Ter. Cret. pi. 244. 

 Loc. Inkerman. Upper Chalk. 



Two other species were collected by Capt. Cockburn from the 

 same locality, which are too imperfect for description. 



