400 PROCEEDINGS OF THE ACADEMY OF [PaRT II 



Dentalium disslmile Guppy. 



Dentalium dissimile Guppy, Quart. Journ. Geol. Soc, xxii, 1866, p. 292, pi. 

 17, fig. 4. Pilsbry and Sharp, Proc. A. N. S. Phila., 1897, p. 469, pi. 11, 

 figs. 3, 4. 5. 



The specimens are no. 2712 A. N. S. P. 



Dentalium dissimile ponderosum Gabb. 



Dentalium 'ponderosum Gabb, Tr. Amer. Philos. Soc, xv, 1873, p. 244. 

 Dentalium dissimile var. ponderosum Gabb, Pilsbry and Sharp, Proc. A. N. S. 

 Phila. 1897, p. 470, pi. 10, figs. 1, 2, 3; pi. 11, figs. 15, 16. 



Type no. 2708 A. N. S. P. 



DentaUum gabbi Pilsbry and Sharp. 



Dentalium affine Gabb, Trans. Amer. Philos. Soc, xv, 1873, p. 244. Not of 



Deshayes. 

 Dentalium gabbi P. and S., Proc. A. N. S. Phila., 1897, p. 470, pi. 10, figs. 6, 7, 



13;pl. ll,figs. 1,2. 



Type no. 2711 A. N. S. P. 



Dentalium haytense Gabb. 



Dentalium haytensis Gabb, Trans. Amer. Philos. Soc, xv, 1873, p. 244. 

 Dentalium haytense Gabb, P. and S., Proc. A. N. S. Phila., 1897, p. 471, pi. 11, 

 figs. 8, 9. 



Type no. 2715 A. N. S. P. 



Dentalium pyrum Pilsbry and Sharp. 



Dentalium pyrum P. and S., Proc. A. N. S. Phila., 1873, p. 472, pi. 11, figs. 6, 7. 



Type no. 2714 A. N. S. P. 



Dentalium praecursor Pilsbry and Sharp. 



Dentalium praecursor P. and S., Proc. A. N. S. Phila. 1873, p. 472, pi. 11, figs. 

 12, 13, 14. 



Type no. 2717 A. N. S. P. 



Dentalium sagittarii Pils. and Johns. Plate XVIII, flg. 12. 



Proc. A. N. S. Phila., 1917, p. 185. 



Dentalium eboreum Conrad (?) 



A series of small, very slender Graptacmes, probably none of them 

 mature, is referred provisionally to this recent species. 



No. 2882 A. N. S. P. 



SIPHONODENTALIIDAE 



Cadulus phenax Pilsbry and Sharp. 



Gadus dominguensis d'Orb., Gabb, Tr. Amer. Philos. Soc, xv, p. 472. 

 Cadulus phenax Pils. and Sharp. Proc A. N. S. Phila., 1897, p. 472, pi. 11, figs. 

 23, 24. 



Type no. 2883 A. N. S. P. 



