LAMELLIBRANCHIATA. 



145 



No. 667. G-ervillia anceps, Deshay.es; 



A characteristic bivalve fossil from the 

 Lower Greensand of Atherfeld, Isle of Wight, 

 England. Now in the private Geological Cab- 

 inet of Mr. Ward, Rochester. 



Size, 8x2. Price, $0.60. 

 No, 668. Ambonychia radiata, Hall. 



From the Hudson River group (Lower Silurian), Cincinnati, Ohio. 



Price, $0.20. 



No. 669. Inoceranms Cuvieri, Sow. 



From the Chalk, Bridlington, England, and now in the private Geological 

 Cabinet of Mr. Ward, Rochester. Price, $0.40. 



Price, $0.50. 



Price, $0.50. 



Price, $0.40. 



No. 670. Pterinea radians, Conrad. 



From the Hamilton group (Devonian), Cazenovia, N. Y. 



No. 671. Posidonia alveata, Conrad. 



From the Hamilton group (Devonian), Sherburne, N. Y. 



No. 672. Megambona cordiformis, Hall. 



From the Corniferous limestone (Devonian), Clarence, N. Y. 



No. 673. Megalodon cucullatus, Sow. 



This and the three following belong to the family Cyprinidce, 

 characterized by a somewhat regular, ovoid, equivalve shell, with 

 from one to three cardinal teeth and two muscular impressions. 

 From the Lower Devonian, Cologne, Rhenish Prussia, and now 

 in the private Geological Cabinet of Mr. Ward, Rochester. 



Price, $0.85. 



No. 674. Cypricardia recurva, Conrad 



This specimen is from the Hamilton group (Devonian), Schoharie Co., N. Y. 



Price, $0.40. 

 No. 675. Hippopodium ponderosum, Sow. 



This characteristic fossil of the English Lias was found in the Lower Lias, 

 Cheltenham, England, and is now in the Ward Museum, University of Roches- 

 ter. Price, $0.50. 



No. 676. Cypricardites alta, Conrad. 



From the Hamilton group (Devonian), Cayuga Lake, N. Y. 



Price. $0.85. 



No. 677. Microdon bellastriata, Conrad. 



This beautiful shell, much resembling Tellina, is from the Hamilton Group, 

 (Devonian), Ontario Co., New York. Price, $0.20. 



No. 678. Anodonta . 



Group on slab. These toothless fresh-water mussels are from the Miocene Ter- 

 tiary, of Ulm, Bavaria, and now in the Ward Museum, University of Rochester. 



Size, 6x4. Price, $1.00. 

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