1911. Herpetology of Missouri. Trans. Acad. Sci. St. Louis, 20:59-274. JOPSON, H. 1938. Observation of the survival value of the character of the blue tail in _Eumeces_. Copeia, 1938:90. 1940. Reptiles and amphibians from Georgetown, South Carolina. Herpetologica, 2:39-43. KARDOS, E. H. 1952. Biological and systematic studies on the subgenus _Neotrombicula_ (genus _Trombicula_) in the United States (Acarina, Trombiculidae). Unpublished thesis, University of Kansas Library. KLOTS, A. B. 1930. Notes on Amphibia and Lacertilia collected at Weymouth, N. J. Copeia, 173:107-111. LEONARD, A. B., and GOBLE, C. R. 1952. Mollusca on the University of Kansas Natural History Reservation. Univ. Kansas Sci. Bull., 34:1013-1055, 2 pls. LINSDALE, J. M. 1927. Amphibians and reptiles of Doniphan County, Kansas. Copeia, 1927:75-81. LOGIER, E. B. 1939. The reptiles of Ontario. Royal Ontario Mus. Handbook, 4:63 pp., 7 pls. LOWE, C. H., Jr., and NORRIS, K. S. 1950. Aggressive behavior in male sidewinders _Crotalus cerastes_, with a discussion of aggressive behavior and territoriality in snakes. Nat. Hist. Misc., 66:1-13. LYNN, W. G. 1936. Reptile records from Stafford County, Virginia. Copeia, 1936:169-170. MANSUETI, R. 1948. "Scorpion" of the tree tops. Natural History, 57:213-215 and 240. MCCAULEY, R. H., JR. 1939. Differences in the young of _Eumeces fasciatus_ and _Eumeces laticeps_. Copeia, 1939:93-95. MCILHENNY, E. A. 1937. Notes on the five-lined skink. Copeia, 1937:232-233. MILLS, C. 1948. A check list of the amphibians and reptiles of Canada. Herpetologica, 4 (second supplement):1-15. NEILL, W. T. 1948a. The lizards of Georgia. Herpetologica, 4:153-158. 1948b. Hibernation habits of amphibians and reptiles in Richmond County, Georgia. Herpetologica, 4:107-114. 1950. Reptiles and amphibians in urban areas of Georgia. Herpetologica, 6:113-116. NEILL, W. T., and ALLEN, R. 1950. _Eumeces fasciatus_ in Florida. Copeia, 1950:156. NETTING, M. G. 1939a. The reptiles of Pennsylvania. Biennial Rept. Pennsylvania Fish. Comm., 1936-1938:122-132. 1939b. Reptiles killed on a "Vermin" campaign in Mercer County, West Virginia. Proc. West Virginia Acad. Sci., 13:162-166. NEWMANN, H. H., and PATTERSON, J. T. 1909. Field studies of the behavior of the lizard, _Sceloporus spinosus floridanus_. Bull. Univ. Texas Sci. Ser., 15:1-24, 13 figs. NICHOLS, J. T. 1939. Range and homing of individual box turtles. Copeia, 1939:125-127. NOBLE, G. K., and BRADLEY, H. T. 1933. The mating behavior of lizards; its bearing on the theory of sexual selection. Ann. New York Acad. Sci., 35:25-100. NOBLE, G. K., and KUMPF, K. F.