316 



PROCEEDINGS OF THE ACADEMY OP 



65. P. Lyonii, Lea. 



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



66. P. virid ulu m, 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. unciale, 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. sugil latum,* Reeve, 



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

 List, p. 31. 



69. P. striatum, Lea. 



Trypanosoma 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. 

 Trypanosoma 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 villense,! Lea. 



Trypanosoma 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. 



Trypanosoma 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. 



Trypanosoma attenuatum, 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 st abrookii, Lea. 



Trypanosoma 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. 



Trypanosoma 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. 



Trypanosoma 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. 



Trypanosoma 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. 

 ) I doubt whether this is distinct from Sycamortnse. 



[Nov. 



