74 



6. P. n obile, Lea. 

 lo jiobilis, Lea, Adams' Genera i. p. 299. 



8. P.canaliculatum, Say. 



lo canaliculata, Say, Morch, Yoldi, Cat. p. 56. 



Ceriphasia canaliculata, Say, Adams' Genera i. p. 297. 



Mdania conica, Say, Sowerby, Mollusca, Fauna Boreali Ameiicana, iii. p. 



316, 1836. 

 Gyrotoma conica, Say, Adams' Genera i p. 305. 

 Melania Sayi, Deshayes, Encyc. Meth. Vers. ii. p. 427, 1830. 



9. P. filum, Lea. 



Elimiajilum, Lea, Adams' Genera i. p. 300. 



11. P. oli vaceu m. Lea. 

 This species sliould follow No. 21. 



16a. P. t r i vittatum, Lea.* 

 Synonymy, Part 1st, No. 79. 



17a. P. fastigiatum, Anthony. 

 Synonymy, Part 1st, No. 44. 



28. P. unci ale, Haldeman. 



P. vnciale, Hald , Synonymy, Part 1st, No. 67. 

 • P. hicostatum a,Tid rigiclum, Anth., ibid. No. 28. 

 P. sugillatum. Reeve, ibid. No. 68. 

 G. oblita, Lea, Synonymy, Part 2, No. 126. 



29. P. subulare, Lea. 



Ceriphasia subularis, Lea, Adams' Genera i. p. 297. 



29fl. P. i n t e n s u m, Anthony. 

 Melania intensa, Anthony, Reeve, Monog. sp. 371. Brot, List, p. 30. 



33. P. a n n u 1 i f e r u m, Conrad. 



Melania annulifera, Conr., Miiller, Synopsis, p. 44. 

 Ceriphasia annnli/era, Conr., Adams' Genera i. p. 297. 

 Ceriphasia Ordiana, Lea, ibid. p. 297. 



38. P. e 1 e V a t u m, Say. 



EUmia elevata. Lea, Adams' Genera i. p. 300. 



Ceriphasia elonqata, Lea, ibid. p. 297, not Ceriph. elevata, Say, of Chemi, 

 Man. i. f. l'961. 



40. P. a r a t u m. Lea. 



Ceriphasia exaraia, Lea, Adams' Genera i. p. 297. 



44. P. fastigiatum, Anthony. 

 Should be No. 17«. 



49. P. pyrenellum, Conrad. 



Melania pyrenella, Conrad, Miiller, Synopsis, p. 45. 



51. P. regulate. Lea. 



Ceriphasia regularis, Lea, Adams' Genera i. p. 297. 



55. P. labia tum. Lea. 



55a. P. pallidum. Lea. f 



57. P. V e s t i t u m, Conrad. J 



* Perhaps = TJiorntonii. 



f After a thorough examination of the specimens of labiatum and pallidum, I incline to the be- 

 lief that they are iliBtinct. 

 J G. spinalis', Lea, may be identical with this epeciee. 



