HARRIS: CRAYFISHES GENUS CAMBARUS. 109 



Cambarus nais Fax. 



15. Kausas. 



1. [Verdigris or Neosho R.], Labette county. (F., '85 and '90.) 



2. Small branch of Coal creek, Montgomery county. (Harris, '00.) 



A species reported from the southwestern portion of Kansas, 

 drained by the tributaries of the Arkansas river. 



Harris ('00) reports this species from a rocky creek in south- 

 ern Kansas — branch of Coal creek, Montgomery county. The 

 creek winds between sandstone hills and is fed by many springs. 

 It is of varying depths, being in some places eight or ten feet 

 deep, while a short distance away it will be only a few inches. 

 It sometimes goes dry in places, due, no doubt, to the failure 

 of some of the springs that feed it. 



Cambarus nebrascensis GriR. 



20. Nebraska. 



1. [ R.], Fort Pierre [ county]. Known only from the description 



of Girard ('52). 



Cambarus neglectus Fax. 



2. Aikausas.18 



1. [White R. or trib.], Batesville, Independence county. [F., '98.) 



2. [Trib. Illinois R. or White R ], Fayetteville, Washington county. (F., '98.) 



3. [Trib. Illinois R.], Prairie Grove, Washington county. (F.,'98.) 



4. Spring creek, Johnson [Washington county]. (F.,'98.) 



l-t. Iowa. 



1. Turkey river, Fort Atkinson, Winneshiek county. (F.,'98.) 



15. Kansas. 



1. Mill creek, Wabaunsee county. (F., '90.) 



2. Republican river, near Guy, Cheyenne county. (F., '90.) 



3. Sappa creek, Oberlin, Decatur county. (F., '90.) 



4. Wildcat creek, about two miles west of Manhattan, Riley county. (Har- 



ris, '02.) 

 ?5. See C. virilis 15, ?27. 



24. Missouri. 



1. Clear, rocky stream, about four miles northwest of Springfield, Greene 



county. (Harris, '02.) 



2. Stream flowing from Galloway cave, Galloway, Greene county. (Harris, '02.) 



3. James river, near Galloway, about eight miles southeast of Springfield, 



Greene county. (Harris, '02.) 



18. A. W. Purdue, department of geologry , University of Arkansas, writes me : " The water of 

 the streams of north Arkansas is usually clear at average stage, and, being supplied largely by 

 springs, is, I should judge, much below the average temperature of streams in this latitude. 

 The water is rather swift, and flows in many places over rock bottom, but of course there are 

 places where the bottom is mud. I have noticed that the springs of north Arkansas, which are 

 cold enough for pleasant draughts during the hot summer days, are filled with small crayfish. 

 . . . Illinois and White rivers are never connected, even during the highest water." 



