GEOGRAPHICAL DISTRIBUTION. 1G3 



47. C. rusticus. 



Pennsylvania : Pittsburg ; Philadelphia Co. ? 



Ohio: Kelley's Island, Lake Hue; .Miami River, Dayton ; Yellow Springs; Ohio 



River, Cincinnati. 

 Indiana: Ohio River, Madison ; White River ; Indianapolis. 

 Illinois : Quiucy; Normal. 



Kentuckj : Kentucky River, Little Hickman; Perryville, Boyle Co.; Salt River. 

 Tennessee: Cumberland Gap ; Lebanon. 

 Lake Superior. 



Wisconsin: Racine; Beloit ; Iron ton ; Fox River. 

 Iowa : Lizard Creek, Fort Dodge. 

 Missouri : Osage River. 

 Arkansas : White River, Eureka Springs. 

 Texas. 



48. C. spinosus. 



South Carolina: Saluda River. 



( leorgia: Etowah, Oostenaula, and Coosa Rivers, in the neighborhood of Rome. 



Tennessee : Tennessee River, near border of Georgia. 



Alabama: Cypress Creek, Lauderdale Co. (See page 117.) 



49. C. Putnami. 



Kentucky : Grayson Springs, Grayson Co. ; Green River, near Mammoth Cave. 

 Tennessee: Cumberland Gap ; Knoxville ? 

 '. Indiana : Bradford. 



50. C. forceps. 



Alabama : Cypress Creek, Lauderdale Co. 

 ? Tennessee : Knoxville. 



Group V. 



51. C. Montezumae. 



Mexico : neighborhood of City of Mexico ; Lake Tezcoco ; Puebla ; Lake San 

 Roque ; Trapuato ; Parras, Cohahuila (see page 123) ; Mazatlau (Pacific Coast). 



52. C. Shufeldtii. 



Louisiana : near New Orleans. 



Genus ASTACUS. 



1. A. (Cambaroides) Japonicus. 



Japan : Hakodadi, Vesso. 



2. A. (Cambaroides) Dauricus. 



Siberia : upper portion of the basin of the Amoor River, as far down as Albasin, 



including the rivers ingoda, Aru'ouii, Ilium, Shilka, and N'crcha. 



3. A. (Cambaroides i Schrenckii. 



Siberia : lower portion of the basin of the Amoor River. 



4. A. Klamathensis. 



I lominion of Canada : streams east of the Cascade Mountains, Province of British 

 Columbia. 



