9S 



NEW YORK STATE MUSEUM 



Recapitulation. 



The following table shows the distribution of the foregoing 

 fifty-four species in the three drainage systems represented in 

 New York. An asterisk opposite the name of a species indicates 

 that the species occurs in the drainage system under which the 

 asterisk is placed : 





a 



| St. Lawrence. 



• 



Eastern only. 



St. Liwrence only. 



Mississippi only. 



Eastern aid St. 

 Lawrence. 



Eastern and Miss- 

 issippi. 



St. r awrence and 

 Mississippi. 



Eastern St. Law- 

 rence and Miss- 

 issippi. 



alatus (Umo). Say * 





* 



* 













# 







* 















* 









* 







* 

















* 







* 















* 



* 

























* 







* 















* 



* 













* 





complanata (Margaritana), Barnes ..... 





* 



* 













* 







* 



* 















* 



crassidens (Unio). Lamarck 







* 







* 













*' 



* 













* 









* 



* 















* 







* 



* 













* 









* 



* 













* 









* 



* 













* 





Ferugsaciana ( An idonta). Lea 



* 



* 



* 















* 



fluviatiiis (Anodonta), Dfllwyn 



* 



* 











* 













* 







* 













fragcilis (Ancdonta) Lamarck 



* 



* 











• 









gibbosus ( ^nio) Barnes 





* 



* 













* 









* 



* 













* 





heterodon (Qnio), Lea 



* 







* 



















* 



# 

















imberiliis (Anodonta), Say 





* 



* 













* 





implicita (Anodonta), Say 



* 



* 











* 









iris (Unio) Lea 



* 



* 



* 















* 



lacus'ris (Anodonta) Lea 



* 





















Lewisii (Anodonta) Lea 





* 























* 



* 













* 





luteolus ( r TniV) Lamarck .... 







* 















* 





* 



















* 



marer nata f'Mareraritana), Say 



* 



* 



* 















* 





* 



« 



* 















* 







* 











* 













* 



* 













* 













* 



















* 



* 













* 











* 











* 











* 







* 















* 



* 













* 







* 



* 

















* 





* 



* 



* 





















* 



* 













* 







* 



* 



* 















* 





* 



* 



* 



........ 











* 









* 













* 







* 













* 













* 



* 























* 



















* 



* 











* 











* 



* 























* 



* 













* 









* 



* 













* 























* 





























24 



49 



33 



2 



3 



3 



10 





24 



12 









