29 



65. P. Lyonii, Lea. 



Tr.ypanostoma Lyonii, Lea, Proc. Acad. Nat. Sci., p. 155, May, 1863. 



66. P. vi rid alum, Anthony. 



Melania viridula, Anthony, Ann. Lye. N. Y., vi. p. 84, t. 2, f. 2, March, 

 1854. Binney, Check List, No. 293. Brot. List, p. 31. Reeve, Monog. 

 Mel., sp. 243. 



67. P. u n c i a 1 e, Haldeman. 



Melania uncialis, Hald., Monog. Limniades, No. 4, p. .3 of Cover, Oct. 5, 

 1841. Jay, Cat. 4th Edit., p. 275. Binney, Check List, No. 279. Brot. 

 List, p. 37. Reeve, Monog. Mel. sp. 435. 



68. P. su gill at urn,* Reeve, 



Melania sugillata, Reeve, Monog. Mel., sp. 319, September, 1860. Brot. 

 List, p. 31. 



69. P. str iatum, Lea. 



Trypanostoma striatum, Lea, Proc. Acad. Nat. Sci., p. 173, 1862. Jour. Acad. 



Nat. Sci., v. pt. 3, p. 294, t. 36, f. 124. Obs. ix., p. 116. 

 Trypanostoma rostellatum, Lea, Proc. Acad. Nat. Sci., p. 272, 1862. Jour. 



Acad. Nat. Sci., v. pt. 3, p. 353, t. 39, f. 225. Obs. ix., p. 175. 



70. P. Knoxvillenae,t Lea. 



Trypanostoma Knoxvillense, Lea, Proc. Acad. Nat. Sci., p. 173, 1862. Jour. 

 Acad. Nat. Sci., v. pt. 3, p. 274, t. 36, f. 87. Obs. ix., p. 96. 



71. P. White!, Lea. 



Trypanostoma Whitei, Lea, Proc. Acad. Nat. Sci., p. 173, 1862. Jour. Acad. 

 Nat. Sci., v. pt. 3, p. 272, t. 36, f. 85. Obs. ix., p. 95. 



72. P. attenuatum, Lea. 



Trypanostoma altenuatum, Lea, Proc. Acad. Nat. Sci., p. 174, 1862. Jour. 

 Acad. Nat. Sci., v. pt. 3, p. 274, t. 36, f. 88. Obs. ix., p. 96. 



73. P. Est abrookii, Lea. 



Trypanostoma Estabrookii, Lea, Proc. Acad. Nat, Sci., p. 173, 1862. Jour. 

 Acad. Nat. Sci., v. pt. 3, p. 273, t. 36, f. 86. Obs. ix., p. 95. 



74. P. m o d e s t u m , Lea. 



Trypanostoma modestum, Lea, Proc. Acad. Nat, Sci., p. 174, 1862. Jour. 

 Acad. Nat. Sci., v. pt. 3, p. 276, t. 36, f. 92. Obs. ix., p. 98. 



75. P. luteum, Lea. 



Trypanostoma luteum, Lea, Proc. Acad. Nat. Sci., p. 273, 1863. Jour. Acad. 



Nat. Sci., v. pt. 3. p. 350, t. 39, f. 220. Obs. ix., p. 172. 

 Trypanostoma Carolinens6, Lea, Proc. Acad. Nat. Sci., p. 273, 1862. Jour. 



Acad. Nat. Sci., v. pt. 3, p. 351, t. 39, f. 221. Obs. ix., p. 173. 



76. P. curvatum, Lea. 



Melania curvata, Lea, Philos. Proc. ii., p. 243. Philos. Trans, ix., p. 28. 

 Obs. ix., p. 28. Wheatley, Cat. Shells U. S., p. 25. Brot. List, p. 

 30. Binney, Check List, No. 81. 



77. P. simplex, Lea. 



Trypanostoma simplex, Lea, Proc. Acad. Nat. Sci.. p. 174, 1862. Jour. 

 Acad. Nat. Sci., v. pt. 3, p. 277, t. 36, f. 94. Obs. ix., p. 99. 



78. P. bivittatum, Lea. 



Trypanostoma bivittatum, Lea, Proc. Aead. Nat. Sci., p. 175, 1862. Jour. 

 Acad. Nat. Sci. v. pt. 3, p. 279, t. 36, f. 97. Obs. ix., p. 101. 



* This shell appears to he very closely allied to wnct'ak. judging from the figure. 

 1 1 doubt whether this is distinct from Sycsmtofaise. 



