IV. 



BIOLOGICAL PAPERS. 



1. "Description of a New Fly of the Family Dolichopodid^, with 



Remarks and Corrections of Preceding Papers." 



By E. S. Tucker, Bureau of Entomology, U. S. Department of Agriculture. 



2. "Additions to the List of Kansas Coleoptera for 1909." 



By W. Knaus, McPherson. 



3. "Distribution, Natural Enemies, and Breeding Habits of the 



Kansas Pocket Gophers." 



By Theo. H. Scheffer, Kansas State Agricultural College. 



4. "The Prairie-dog Situation in Kansas," 



By Theo. H. Scheffer, Kansas State Agricultural College. 



6. "Investigating the Mole." 



By Theo. H. Scheffer. Kansas State Agricultural College. 



6. "A Rare Mexican Cycad. " 



By W. B. WK.SON. Ottawa University. 



7. "An Aberrant Walnut." 



By Ira D. Caraipf, Washburn College. Topeka. 



(103) 



