HARRIS : CRAYFISHES GENUS CAMBARUS. 131 



Cambarus typhlobius Joseph. 



Caves at Carniola. A species of especial interest, since it is the only one 

 found outside of America. 



Cambarus uhleri Fax. 



19. Maryland. 



1. [Assateague bay and Pocomoke R.], Worcester county. (F., '85.) 



2. [Potomac R.], Somerset county. (F., '85.) 



3. [Potomac R.], Wicomico county. (F., '85.) 



4. [Chesapeake bay or Potomac R.], St, Mary's county. (F., '85.) 



5. [Chesapeake bay], Talbot county. (F., '85.) 



6. [Chesapeake bay], Dorchester county. (F., '85.) 



7. [Choptank R.], Caroline county. (F., '85 ) 



Faxon ('85) says: "This species was discovered in the' 

 counties of Maryland enumerated above, on the Chesapeake and 

 Atlantic coasts of Maryland. It is found in salt marshes, cov- 

 ered twice daily by the tides, and also in brackish and fresh- 

 water ditches in company with C. hlandingii. In Dorchester 

 county, it is found far back in the lowlands in the neighborhood 

 of Vienna." 



Cambarus versutus Hag. 



1. Alabama. 



1. [Mobile bay], neighborhood of Mobile [Mobile county]. (F., '85.) 



2. [Escambia R.], Pollard [Escambia county]. (F., '98.) 



3. [Trib. Coosa R.], Colora [Shelby county]. (F., '98.) 



4. [Trib. Escambia R.], Greenville, Butler county. (F., '98.) ' 



5. Escambia river at Flomaton [Escambia county], above Pensacola [Fla.] 



(F., '85.) 



8. Florida. 



1. [Pensacola bay ?], Cape Barrancas. (F., '85.) 



Cambarus virilis Hag. 



Canada. 



1. Lake Winnepeg. (F., '85.) 



2. Saskatchewan river. (F., '85.) 



3. Red River of the North. (F., '85.) 



4. [Lake Ontario], Toronto [York county]. (F., '85.) 

 ?5. [St. Lawrence R.], Montreal. (F., '85.) 



1. Alabama. 



1. [Tennessee R.], near Bridgeport, Jackson county. (F., '85.) 



2. Arkansas. 



1. White river, Eureka Springs, Carroll county. (F., '85.) 



2. [Trib. Illinois R.], Prairie Grove, Washington county. (F., '90.) 



3. [Trib. Illinois R. or of White R.], Fayetteville, Washington county. (F., '90.) 



