106 THE NAUTILUS. 



21. F. Marijlandica Conrad. Miocene. Calvert Cliff, Md. 

 Types in Acad. Coll. Allied to F. tenebrosa Con., of the Ala. 



Eocene. (See Fos. :\red. Tert. p. 79, pi. 45, f. 4.) 



22. F. nassula Conrad. Miocene. St. Mary's, Md. 



Type in Acad. Coll. Distinguished from the following species 

 by its larger size,more depressed form, etc. The riblets are 

 notably equal, close, and not conspicuously latticed. (See 

 Foss. Med. Tert. Form. p. 78, pi. 44, f 8.) 



23. F. Griseomi Conrad. Miocene. Stow Creek, betw. Salem and 



Cumberland Cos., N. J. (See Foss. Med. Tert, Form. p. 78, 

 pi. 44, f. 8.) 

 Type in Acad. Coll. 



24. F. tenebrosa Conrad. Eocene. Claiborne, Ala. (See Foss. 



Med. Tert. Form. p. 39, pi. 14, f 9.) 

 Type in Acad. Coll. 



25. F. Mississippiensis Conrad. Eocene. (See Jour. A. N. S. P., 



2dser., p. 113, pi. 11, f. 2.) 

 Allied to F. tenebrosa in sculpture, but the hole is quite differ- 

 ent. Type in Acad. Coll. 



26. F. Carolinensis Conrad. Miocene. 



A very distinct species, of which Mr. Johnson has collected 

 specimens on the Cape Fear River, N. C. (See Kew's Rep. Geol. 

 Surv. N. C. 1, 1875, p. 22, pi. 4, fig. 1.) 



Genus 6. Functurella Lowe, 1827. 



27. P. noachina Linn. Circumpolar, extending south to Cape 



Fear in deep water. 



28. P. galeata Gld. Puget Sound. 



Dr. Dall has lately described a mammoth variety of this 

 species (var. major), from Bering Sea ; it will probably occur 

 in Alaskan waters. 



29. P. Cooperi Carpenter. Catalina Id., Cal. 



30. P. cucullata Gld. Puget Sound to Monterey. 



31. P. eircularis T>a\\. Florida Strait. 539 fms. 



32. P. eritmeta Verrill. Off Rhode Island, 1451 fms. 



33. P. erecta Dall. Off N. Carolina, 107 fms. 



Genus 7. Emarginula Lam., 1801. 



34. F. compressa Cantraine. Fla. Strait in deep water. 



35. E. bella Gabb. IMonterey, Cal. 



36. E. radiata Gabb. Eocene. California. 



