150 



MOLLUSCA. 



No. 716. Terebratula intermedia, Sow. 



From the Lower Oolite of Calvados, France. Original in the Ward Museum 



of the University of Rochester. 



No. 717. Terebratula Lycetti, Dav. 



From the Lias of Ilminster, England. 



No. 718. Terebratula Mariae, D'Orb. 



From the Lias of Calvados, France. 



No. 719. Terebratula Moorei, Dav. 



From the Lias of Petherton, England. 



No. 720. Terebratula numismalis, Lam. 



From the Lias of Calvados, France. 



No. 721. Terebratula perovalis, Sow. 



From the Lower Oolite of Calvados, France, 

 of the University of Rochester. 



Price, $0.25. 



Price, $0.15. 



Price, $0.15. 



Price, $ 0.15, 



Price, $0 20. 



Original in the Ward Museum 

 Price, $0.85. 



No. 722. Terebratula plicata, Buckm. 



From the Lower Oolite of Cheltenham, England. Price, $0.30. 



No. 723. Terebratula quadrifida. Lam. 



From the Lias of Calvados, France. Price, $0.20, 



No. 724. Terebratula resupinata, Sow. 



From the Lias of Saint Axmand, France. Price, $0.15. 



No. 725. Terebratula Sarthacensis, D'Orb. 



From the Lias of Sarthe, France. Price, $0.15. 



No. 726. Terebratula subovoides, Roemer. 



From the Lias of Calvados, France. Price, $0.15 . 



No. 727. Terebratula subnumismalis, Dar. 



From the Lias, England. Price, $0.15. 



No. 728. StringOCephalus Burtini, Defrance. 



Two specimens. In this genus the ventral valve is prolong- 

 ed upwards into a very prominent, tapering beak, which is some- 

 times so curved forward as to rest upon the dorsal valve. This 

 latter has a very long cardinal process which quite crosses the 

 interior of the shell, and is forked at the extremity to meet the 

 ventral septum. From the Devonian of Paffrath, Germany, and 

 now in the private Geological Cabinet of Mr. Ward, Rochester. Price, $1.25. 



No. 729. Rensselaeria ovoides, Eaton. 



From the Oriskany sandstone (Devonian), Albany Co., N. Y. 



Price, $0.30. 



No. 730. Calciola sandalina, Defrance. 



This anomalous form is of doubtful relations, and has been 

 put by Davidson into a distinct family — the Calceolidae. These 

 specimens (four) are from the Middle Devonian, Gerolstein, 

 Prussia, and are now in the private Geological Cabinet of Mr. 



Ward. Rochester. Size, 6x6. Price, $0 60. 



