47 



102. G. abbre via t a, Anthony. 



Melania abbreviata, Anthony, Bost. Proc., iii. p. 360, Dec., 1850. Binney, 



Check List, No. 4. Reeve, Monog. Melania, sp. 424. 

 Melania elegantula, Anthony, Ann. Lye. Nat. Hist. N. Y., vi. p. 103, t. 3, f. 2, 



March, 1854. Binney, Check List, No. 96. Brot, List, p. 32. Reeve, 



Monog. Melania, sp. 346. 

 Melania coronilla, Anthony, Ann. Lye. Nat. Hist. N. Y., vi. p. 126, t. 3, f. 27, 



March, 1854. Binney, Check List, No. 69. Brot, List, p. 32. Reeve, 



Monog. Melania, sp. 418. 

 Melania chalybsea, Anthony, Brot, List, p. 37. 



103. G. p lie if era, Lea. 



Melania plicifera, Lea, Philos. Trans, vi. p. 93, t. 23, f. 90. Obs. ii. p. 93. 

 Wheatley, Cat. Shells U. S., p. 26. Jay, Cat., 4th ed., p. 274. Binney, 

 Check List, No. 211. Reeve, Monog. Melania, sp. 284. Cooper, 

 Report, p. 374. Brot, List, p. 36. Gould, Moll. Expl. Exped., p. 143, 

 f. 165. 



Melasma plicifera. Lea, Chenu, Manuel, i. f. 2001. 



104. G. s i 1 i c u 1 a, Gould. 



Melania silicula, Gould, Bost. Proc., ii. p. 224, June, 1847. Otia Concho- 

 logica, p. 46. Moll. Expl. Exped., p. 141, f. 164, 164a. Cooper, Re- 

 port, p. 374. Binney, Check List, No. 243. Brot, List, p. 52. 



Melania Shastaensis, Lea, Proc. Acad. Nat. Sci., viii. p. 80, April, 1856. Bin- 

 ney, Check List, No. 242. Cooper, Report, p. 374. 



Goniobasis Shastaensi*, Lea, Jour. Acad. Nat. Sci., v. pt. 3, p. 337, t. 38, f. 

 199, March, 1863. Obs. ix. p. 159. 



Melania rudens, Reeve, Monog. Melania, sp. 224, May, 1860. Brot, List, p. 



105. G. nigrina,* Lea. 



Melania nigrina, Lea, Proc. Acad. Nat. Sci., p. 80, April, 1856. 

 Goniobasis nigrina, Lea, Jour. Acad. Nat. Sci., v. pt. 3, p. 302, t. 37, f. 137, 

 March, 1863. Obs. ix. p. 124. Binney, Check List, No. 177. 



106. G rubiginosa, Lea. 



Goniobasis rubiginosa, Lea, Proceed. Acad. Nat. Sci., p. 270, 1862. Journ. 

 Acad. Nat. Sci , v. pt. 3, p. 333, t. 38, f. 193, March, 1863. Obs. ix. p. 

 155. 



107. G. B a i r d i a n a, Lea. 



Goniobasis Bairdiana, Lea, Proc. Acad. Nat. Sci., p. 267, 1862. Jour. Acad. 

 Nat. Sci., v. pt. 3, p. 317, t. 37, f. 164, March, 1863. Obs. ix. p. 139, t. 

 37, f. 164. 



D. Shell angulate. 



108. G. troc h if ormis,f Conrad. 



Melania trochiformis, Conrad, New Fresh-Water Shells, p. 56, t. 8, f. 11, 1834. 

 DeKay, Moll. New York, p. 100. Wheatley, Cat. Shells U. S., p. 27. 

 Binney, Check List, No. 275. Brot, List, p. 31. 



109. G. cristata,J Anthony. 



Melania cristata, Anthony, Ann. Lye. Nat. Hist. N. Y., vi. p. 108, t. 3, f. 8, 

 March, 1854. Binney, Check List, No. 77. Brot, List, p. 32. Reeve, 

 Monog. Melania, sp. 413. 



110. G. cr u da, Lea. 



Goniobasis cruda, Lea, Proc. Acad. Nat. Sci., p. 270, 1862. Jour. Acad. Nat. 

 Sci., v. pt. 3, p. 332, t. 38, f. 190, March, 1863. Obs. ix. p. 154. 



* Differs from silicula in being more cylindrical, with the apical whorls carinate. 

 f The figure of this species in Mr. Conrad's work is not recognizable, but it will probably be fouid 

 to ~ cristata. Anth., young. 

 J =: proteus, Lea ? 



