GEOGRAPHICAL DISTRIBUTION. 171 



C. propinqmis. Davenport ; Ottumwa. 



C. immunis. West Liberty. 



C xirilis. Davenport ; Burlington ; Fort Dodge ; Spring Vale ; Des Moines Elver ; 



Bedford. 

 C. rusticus. Lizard Creek, Fort Dodge. 

 Tlie State has been little explored. All of the above-named localities are on the 



eastern border of the State, except Fort Dodge aad Spring Vale, which are in 



the central part. 



32. MiSSOUUl. — Seven species : C. Blandinf/ii, var. acuta, C. Diogenes, medius, immunis, 



Harrisonii, virilis, and rusticus. Possibly C. Bartomi in the Osage Eiver. 



(See page 61.) 

 C. Blandirigii, var. aada, occurs at St. Louis. 

 C. Diogenes. Carroll Co. and St. Louis. 

 C. medius. Iroudale, Washington Co. 

 C. immunis. St. Louis. 

 C. Harrisonii. Irondale, Washington Co. 

 G. virilis. St. Louis ; Osage Eiver ; Irondale. 

 C. rusticus. Osage Eiver. 



33. AuKAN.SAS. — Four species : C. Diogenes, virilis, rusticus, and one undetermined spe- 



cies belonging to the C. Blaiulingii group. 

 C. Diogenes. Locality unknown. 

 C. virilis. White Eiver, Eureka Springs. 

 , C. rvjiticus. White River, Eureka Springs. 



C^fo^uif cAa^ Sp. indet. CSalina Eiver, Arkadelphia. 



34. Indian Territokv. — None. 



35. Kansas. — Four species : C. simulans, Diogenes, immunis, and virilis. 



C. simidans. Fort Hays. 

 C. Diogenes. Leavenworth. 

 C. imvLunis. Leavenworth ; Ellis. 



C. virilis. Leavenworth ; Manhattan ; Republican Eiver northwest of Fort Eiley ; 

 Ellis. 



36. Nebraska. ^ One species, C. virilis, from Omaha, on the eastern border of the 



State. 



37. Dakota Territory. — Three species : Camharus Nehrascensis, C. virilis, and Astacus 



Gambelii. 

 C. Nehrascensis from Fort Pierre, at the confluence of the Bad and Missouri Elvers 



(Girard).^ 

 C. virilis from the Eed Eiver of the North, near Pembina, and from the Souris or 



Mouse Eiver. 

 A. Gambelii from the mouth of the Yellowstone Eiver, on the boundary between 



the Territories of Dakota and Montana (the easternmost locality for the genus 



Astacus). 



38. Montana Territory. — One species, Astacus Gamhelii, from the mouth of the 



Yellowstone Eiver. 



39. Wyoming Territory. — Three species : G. Diogenes, immunis, and virilis. Perhaps 



also Astacus Gamhelii. (See page 137.) 

 G. Diogenes has been found at Cheyenne. 

 G. immunis and G. virilis at Laramie City. 



