24 PROCEEDINGS OF THE ACADEMY OF [Jan., 



Pyropsis septemlirata (Gabb). 



Cancellaria septemlirata Gabb, Proc. Acad. Nat. Sci., 1S60, 94, p. 2, f . 10. 



Also the specimen figured by Whitfield (pi. 3, figs. 7, 8). 



Pyropsis retifer (Gabb). 



Fusus retifer Gabb, Jour. Acad. Nat. Sci., IV, 2 ser., 301, pi. 48, f. 11, 1860. 

 Pyropsis naticoides Whitfield, Moa. U. S. Geol. Sur., XVIII, 43, pi. 2, figs. 5-7, 1892. 

 Pyropsis alabamensis (Gabb). 



Cancellaria alabamensis Gabb, Jour. Acad. Nat. Sci., IV, 2 ser., 301, pi. 48, 

 f. 14, 1860. 



Perissolax dubia (Gabb). 



Purpuroidea dubia Gabb, Proc. Acad. Nat. Sci., 1860, 94, pi. 2, f. 11. 



Perissolax trivolva (Gabb). 



Fusus trivolvus Gabb, Proc. Acad. Nat. Sci., 1860, 94. 



Type figured by Whitfield (pi. 21, f. 1). 



Pyrifusus pyruloidea (Gabb). 



Rapa pyruloidea Gabb, Proc. Acad. Nat. Sci., 1860, 94, pi. 2, f. 4. 



Pyrifusus turritus Whitfield, Mon. U. S. Geol. Sur., XVIII, 54, pi. 5, figs. 3-5, 1892. 

 Pyrifusus cuneus Whitfield, Mon. U. S. Geol. Sur., XVIII, 51, pi. 4, f. 9, 1892. 

 Pyrifusus muUicaensis (Gabb). 



Pleurotoma muUicaensis Gabb, Proc. Acad. Nat. Sci., 1860, 95, pi. 2, f. 8. 

 Neptunella muUicaensis Whitfield, Mon. U. S. Geol. Sur., XVIII, 56, p. 4, 

 figs. 20, 21, 1892. 



There is no character to separate the two types except that the speci- 

 men described by Whitfield is a little larger. 



Fusus holmesianus Gabb, Jour. Acad. Nat. Sci., IV, 2 ser., 389, pi. 68, f. 4, 1860. 

 Fusus kerri Gabb, Proc. Acad. Xat. Sci., 1876, p. 279, pi. 17, f. 1. 

 Hercorhynchus tippanus (Conrad). 



Fusus tippana Conrad, Jour. Acad. Nat. Sci., IV, 2 ser., 286, pi. 46, f. 4, 

 1860. 



Type of the genus Hercorhynchus Conrad (Amer. Jour. Conch., IV, 

 p. 247, 1868). 



FASCIOLARIID^. 



Odontofusus slackii Gabb. 



Fasciolaria slackii Gabb, Proc. Acad. Nat. Sci., 1861, 322. 

 The type is figured by Whitfield (pi. VI, figs. 8, 9), and is the type 

 of his genus Odontofusus. 



Fasciolaria crassicosta Gabb, Proc. Acad. Nat. Sci., 1876, 282. 

 Fasciolaria obliquicostata Gabb, Proc. Acad. Nat. Sci., 1876, 283. 

 Fasciolaria kerri Gabb, Proc. Acad. Nat. Sci., 1876, 283. 

 Lagena 1 edentata Gabb. 



Tritonium {Lagena'!) edentatum Gabb, Proc. Acad. Nat. Sci., 1876, p 281. 



