2. Natural history of the six-lined racerunner, Cnemidophorus sexlineatus. By Henry S. Fitch. Pp. 11-62, 9 figs., 9 tables. September 19, 1958. 3. Home ranges, territories, and seasonal movements of vertebrates of the Natural History Reservation. By Henry S. Fitch. Pp. 63-326, 6 plates, 24 figures in text, 3 tables. December 12, 1958. 4. A new snake of the genus Geophis from Chihuahua, Mexico. By John M. Legler. Pp. 327-334, January 28, 1959. 5. A new tortoise, genus Gopherus, from north-central Mexico. By John M. Legler. Pp. 335-343, April 24, 1959. 6. Fishes of Chautauqua, Cowley and Elk counties, Kansas. By Artie L. Metcalf. Pp. 345-400, 2 plates, 2 figures in text, 10 tables. May 6, 1959. 7. Fishes of the Big Blue River Basin, Kansas. By W. L. Minckley. Pp. 401-442, 2 plates, 4 figures in text, 5 tables. May 8, 1959. More numbers will appear in volume 11. Transcriber's Notes Except as noted below, the text presented herein is that contained in the original printed version. Minor corrections (such as missing punctuation) may have been corrected. The original version had a list of publications printed inside the cover and inside and on the back cover. The cover page was not retained as it is a copy of the first page and the list inside the cover was moved past the end of the article. Notations The greek letter sigma is represented as [sigma]. And [=X] indicates letter X with a line above it which is a standard notation for mean. Typographical Corrections Page Correction ==== ================================= 408 Phenophthalein => Phenolphthalein Text Emphasis _Text_ : Italics =Text= : Bold and Italics