72 KANSAS UNIVERSITY SCIENCE BULLETIN. 



mens, they were found in burrows from eighteen inches to two 

 feet in depth, containing from six inches to one foot of water. 

 At the mouth of these burrows were mud chimneys five inches 

 high. The soil was blue clay mixed with sand and gravel." 



According to Hay ('96), C. argillicola, like its near relative 

 C. diogenes, is a burrower and builds mud chimneys over its 

 burrows. He took females with young as early as April 2. 



Cambarus barbatus LeC.^* 

 1. Alaljaiiia. 



1. Escambia river, at Flomaton, above Peneacola [Escambia county]. (F., '90.) 



9. Georgia. 



1. Georgia. (F., '85.) 



23. Mississippi. 



?1. Eastern Mississippi. (F., '85.) 



39. South Carolina. 



?1. [Atlantic O.], Charleston. (F., '85.) 



Cambarus bartonii Fabr. 



Lake Superior. (F., '85.) 



Canada. 



?1. [St. Lawrence R.], Montreal, P. Q. (F., '85.) 



2. [St. John R.], St. John, N. B. (F., '85.) 



3. St. John river, just above Grand Falls, N, B. (F., '90.) 



4. Abundant in valley of St. John, N. B. (Ganong, '98.) 



5. Restigouche river, N. B. (Ganong, '98.) 



6. Upsalquitch river, N. B. (Ganong, '98.) 



7. Micomichi river, N. B. (Ganong, '98.) 



7. District of Columbia. 



1. Rock creek, Georgetown. (F., '85.) 



2. [Potomac R.], above Washington. (F., '85.) 



9. Georgia. 



?1. Hagen states that he has seen specimens from Georgia. (F., '85.) 



12. Indiana. 



1. [White R.], Fall creek, Indianapolis, and Irvington, Marion county. 



(Hay, '96.) 



2. [White R. or east fork of White R.], Bloomington, Clear creek, and May's 



cave, Monroe county. (Hay, '96.) 



3. [Ohio R.], New Albany [Floyd county]. (Hay, '96.) 



4. [East fork of White R.], Down's cave, and Connelly's care, Lawrence county. 



(Hay, '96.) 



5. [East fork of White R.], cave near Paoli, Orange county. (Hay, '96.) 



14. C. barbatus was proposed by Faxon ('90) to replace C. penicillatus LeC, a preoccupied 

 name. 



