Acknowledgments

I am indebted to Prof. E. Raymond Hall and to Mr. J. Knox Jones, Jr., for suggestions and editorial assistance. Prof. R. H. Camin identified the ticks and mites recorded herein. Mr. A. Metcalf, Mrs. C. F. Long, and Mr. D. L. Long helped with the field studies and in other ways.

Literature Cited

Black, J. D.

1937. Mammals of Kansas. 30th Biennial Report, Kansas State Board of Agri., 35:116-217.

Blair, W. F.

1938. Ecological relationships of the mammals of the Bird Creek Region, Northeastern Oklahoma. Amer. Midl. Nat., 20:473-526.

1959. Distributional patterns of vertebrates in the southern U. S. in relationship to past and present environment. Zoogeography, pp. 463-464 and Fig. 5, January 16.

Buck, C. W., Tolman, N., and Tolman, W.