The scale of Figure 4 and Figure 5 are preserved from the original,if viewed on a 96 DPI monitor screen and with a browser setting of 100%.
The only changes made to the text are the following:
Page 623 Table 3 column heading: changed "or" to "of" (Number of specimens).
Page 625: changed "percent" to "per cent" (92 per cent of the time).
University of Kansas Publications
Museum of Natural History
Volume 17, No. 15, pp. 613-629, 6 figs.
May 14, 1968
BY
LAURENCE M. HARDY AND CHARLES J. COLE
University of Kansas
Lawrence
1968
University of Kansas Publications, Museum of Natural History
Editors: E. Raymond Hall, Chairman, Frank B. Cross, Henry S. Fitch,J. Knox Jones, Jr.
Volume 17, No. 15, pp. 613-629, 6 figs.
Published May 14, 1968
University of Kansas
Lawrence, Kansas
PRINTED BY
ROBERT R. (BOB) SANDERS, STATE PRINTER
TOPEKA, KANSAS
1968
31-9422
Morphological Variation in a Populationof the Snake,Tantilla gracilis Baird and Girard
By
LAURENCE M. HARDY AND CHARLES J. COLE
Variation of selected taxonomic characteristics of flat-headed snakes (Tantillagracilis Baird and Girard) from several midwestern states was studied byForce (1935), but she did not attempt a comprehensive evaluation. Taylor(1936) reported on variation in T. gracilis from various localities in Kansas;Kirn, Burger, and Smith (1949) studied selected structures of specimens ofT. gracilis from throughout its range. The present study was undertaken todetermine the variation in both currently used and potential taxonomic characteristicsof T. gracilis from one locality.
We are thankful to Charles W. Myers, Gorgas Memorial Laboratory, forsuggestions concerning characteristics examined. We are indebted to Drs.William G. Degenhardt, University of New Mexico, Herndon G. Dowling,New York Zoological Society, Charles H. Lowe, University of Arizona, andRichard G. Zweifel, American Museum of Natural History, for criticizing themanuscript. Dr. William E. Duellman permitted us to study specimens in theUniversity of Kansas Museum of Natural History.
The specimens examined were donated to the Museum of Natural History,University of Kansas, by the late Paul Anderson of Independence, Missouri.All specimens (KU numbers 83435-83680; N = 246) were collected in thevicinity of Winfield, Cowley County, Kansas, by Charles E. Burt and studentsfrom Southwestern College in the period from 1938 to 1941, inclusive.
Both authors gathered data on most characteristics and examined eachatypical individual. Hardy determined characters of the maxillae (which wereremoved; N = 20), body and total lengths, and the scale formula of KU 83620.
We examined 22