48 



Cambarus diogenes. Columbus (Ohio State Uni- 

 versity Zoological Museum) (hi B. Williamson) ; Mont- 

 gomery Co. (S. E. Hasor); Knox Co. (Parker, William- 

 son, Osburn). This is the common burrowing, 

 chimney-building cray in Ohio. C dubius has been 

 taken in Allegheny Co., Pa. Dubius, diogenes, and 

 argillicola are the only species known to build 

 chimneys to their burrows. 



Cambarus propinquus sanhornii. Big Jello- 

 way and tributaries, Knox Co. (Parker. Williamson, 

 • sburn) ; Licking Co. {\i. C. Osburn). This and C. 

 rusticus seem to be the crays of the larger streams 

 and rivers of the state. 



Cambarus rusticus. Little Miami. Clark Co. (K. 

 F. Kellerman, S. T. Orton) ; Licking Co. (R. C. 

 Osburn) ; Grand Rapids. Wood Co. ; Ottowa. Putnam 

 Co • ; McCutchenville. Wyandot Co. ; and Tiffin, 

 Seneca Co. (Faxon). 



TWENTY-FIVK SPECL S OF SYRPHID^ NOT 

 PREVIOUSL^^ REPORTED FOR OHIO. 



By James S. Hine. 



A paper which gives a list of species from a 

 particular locality is of especial value to the student 

 who is studying the distribution of species. It seems 

 that in many monographs of groups of insects, 

 specimens from Ohio have not been in the hands of 

 the monographer, consequently our state fauna 

 appears very limited. It is hoped that, before many 



