Synoptical Table. 



\\.—Rece 



it Molhtsca (Gasteropoda). 









%*l 



|*jj 









-=:' 













|.si; 



IimnseicUe. 



Limnophysa 



humilis. 

 retlexa. 





Interior & Eastern provinces. 

 Int. prov., northern half. 





Physa 



gyrina. 



2 



Int. & Eastern prov. 





Helisoma 





2 



iNorth-Int. & Eastern |»rr,v. 























Aneylinse. 



Aneylus 



parSlus. 



2 



2 



Int. & Eastern prov. 





Campeloma 



• 







North-Int. prov. 1 



Valvatidse. 







1 





N'Mi-th-Iiii. .v Eastern prov. 



Rissoidse. 



Bythinella 



parva. 







X. Ml [i,t A 





Somatogyrus 









Eastern prov. 



Helicidse. 



Hyalina 



rt££*. 



^ 





■"wvlx I'a- 





Patula 



striatella. 







All over Eastern prov. 















Succinea 



obliqua. 







Northern & Int. Region of 

 Mr nil prov. 

















ovaiis. 



3 





Northern & Int. Regions of 





Helicodiscua 



lineatus. 



1 





Eastern, Central, & Pacific 





Feruasacia 



subcylindrica. 



1 





. Ion of Eastern 





Stenotrema 



monodon. 



2 





Northern-Eastern prov. 





Macrocyclis 



■ ' ■• 



j 





Eastern prov. 





Conulus 



albolabris. 

 profunda. 







■ " oYt-v Hast- 

 en prov. 



' Eastern prov. 



: ,-t.-ni prov. 

 int. Region of H«st< rn prov. 





Isthmia 













Pupilla 

 Leucochila 









\.,rtlii-rii-Easteni prov. 











Eastern prov. 







■urticaria. 



3 



, 



Vnfr.,1 portions of East- 



Attend* 



Carychium 



Bxiguum. 



1 



' 



in iE>;r t 



^_ 



_j_J 



42 



42 



4, 





