ASTACID^E. 



97 



ON THE GEOGRAPHICAL DISTRIBUTION. 



The several different species mentioned have the following distribu- 

 tion: — 



Genus CAMBARUS. 



GROUP I. 

 1. C. acutus. 



Louisiana : Now Orleans, Milliken's Bend. 



Alaljania : Mobile. 



South Carolina : Charleston, Snninierville. 



Missouri : St. Louis. 



Mississippi : Kemper County. 



Virginia : James River. 



Var. A. 



H. C. penicillatus. 



South Carolina : Charleston. 

 Georgia. 



12. C. Wiegmanni. 



Mexico. 



13. C. pellueidus. 



Kentucky : Mammoth Cave. 



anston, Peoria, Athens. 

 Inilian,a. 



Var. B. 



North Carolina : Beaufort. 

 New Jersey : Essex. 

 New York. 



2. C. Clarkii. 



Louisiana : New Orleans. 

 Te.xas : between San Antonio and El Paso 

 del Norto. 



3. C. troglodytes. 



South Carolina : Charleston. 

 Illinois : Lawn Ridge. 

 Georgia. 



4. C. Blandingii. 



South Carolina: Camden. 



5. C. fallax. 



rioriila. 



6. C. Lecontei. 



Alaliania: Mobile. 

 Florida : Pensacola. 

 North Carolina : Beaufort. 

 Georgia : Milledgeville. 

 Mississippi : Root Pond. 



7. C. spiculifer. 



Georgia: Athens, Roswell. 



8. C. angustatus. 



Georgia : Cieorgia inferior. 



9. C. versutus. 



Alabama : Mobile, Spring Hill. 



10. C. maniculatus. 



Georgia : Georgia inferior. 

 13 



GROUP n. 



14. C. lancifei'. 



Jlississippi : Root Pond. 



15. C. affiuis. 



Pennsylvania : Delaware, near Phila- 

 delphia, Pittsburg, Carlisle, Reading, 

 Schuylkill River, Erie. 



ISIarvland : Havre de Cirace. 



District of Columbia : Potomac at Wash- 

 ington. 



New Jersey. 



New York : Niagara. 



16. C. virilis. 



British America: Lake Winnipeg, Sas- 

 katschavan, Red River, Lake Superior, 

 Toronto. 



Illinois : Quincy. 



Iowa : Davenport. 



Wisconsin : Sugar River. 



Var. A. 

 Iowa : Davenport, Biu-lington. 

 Missouri : Osage River. 

 Ohio : Dayton, Miami River. 

 Te.xas. 



17. C. placidus. 



Illinois : Quincy. 

 Tennessee : Lebanon. 

 Te.xas. 



18. C. juvenilis. 



Kentucky : Little Hickman, Kentucky 



River. 

 Missouri : Osage River. 



19. C. propinquus. 



Canada : Lake Superior. 



