29 



65. P. Lyonii, Lea. 



Trypanostoma Lyonii, Lea, Proo. Aoad. Nat. Sci., p. 155, May, 1863. 



66. P. viridulum, 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. sugillatum,* Reeve, 



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

 List, p. 31. 



69. P. striatum, 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. Knox vill ens e ,f 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. Whitei, 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. E s t a b r o o k i i , 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. modestum, 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. lu teum, 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 Carolinense, 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. Acad. 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 be very closely allied to unciale, judging from the figure, 

 f- 1 doubt whether this is distinct from Sycamore-use. 



