OF CONCHOLOGY. 



27 



CATALOGUE OP THE SHELL-BEARING MOLLUSCA OF 

 FULTON COUNTY, ILLINOIS. 



BY JOHN WOLF. 



SUCCINEA, Drapernaud. 



S. obliqua, Say. 

 " vermeta, " 

 " avara, • " 

 " Grosvenorii, Lea. 

 " Wardiana, " 

 " Mooresiana, " 

 " Nuttalliana, " 



MACROCYCLUS, Beck. 



M. concava, Say. 



HYALINA, Ferussac. 



H. indentata, Say. 

 " arborea, " 

 " electrina, Grid. 



CONULUS, Fitzinger. 

 C. chersina, Say. 



STROBILA, Morse. 

 S. labyrinthica, Say. 



ANGUISPIRA, Morse. 



A. solitaria, Say. 

 " alternata, " 



PATULA, Held. 



P. perspectiva, Say. 

 " striatella, Anth. 



HELICODISCUS, Morse. 

 H. lineata, Say. 



PSEUDOHYALINA, Morse. 



P. minuscula, Binney. 



VALLONIA, Risso. 



V. minuta, Say. 



ULOSTOMA, Albers. 



U. profunda, Say. 



MESODON, Rafinesqae. 



M. thyroides, Say. 

 " clausa, " 



" Pennsylvanica, Green. 

 " multilineata, Say. 

 " var. unicolor, " 



STENOTREMA, Rafinesque. 



S. lineata, Say. 

 " monodon, var. fraterna, Say. 

 " " " Leaii, Ward. 



LEUOOCHILA. 



L. armifera, Say. 

 " pentodon, " 

 " contracta, " 



PUPILLA, Leach. 



P. fallax, Leacli. 

 " corticaria, Leach. 

 " rupicola, " 



VERTIGO. 



V. ovata, Say. 

 " milium, Grid. 



