STATE ZOOLOGIST. 281 



56. Planorbis trivolvis, Say. 



" truncates, Nobis, 



"'ivs;i heterostropha, Soy. 

 59. " elongate, Soy. 

 80. •• Bildrethiana, /. 

 61. " v i 1 1 1 

 19. Limnea appree 

 63. " columella, Soy. 

 (34. " caj Say. 



65 " desidiosa, Say. 



66. " elodes, 8 



67. gracilis, Say. 



68. jngularta, Say. 



69. modicellus, S 

 7t>. " reflexa, Hold. 



71. " ombilicata, Adams. 

 12. " in i ' sa, Say. 



73. " pallida, Adams. 



74. Ancylns fuscus, Adams. 



11 paralellus, Hald. 



76. " Ins, Say. 



FAMILY MEI.ANIAPAE. 



77. Ilelania Virginica, Say, 

 t8. " d< 3by. 



19. •' Niagarenais, Lea. 



80. •' neglecta, ArUh. 



81. •' Liveocens, Menka. 



pnlchella, Anih. 



■y l'Ai.ritiMPAK 



Say. 

 tricarta i 

 " bnmeralis, v 



8*>. Paludina <!<•<• 

 87. " intt 



itcgona, Say. 



