. The Canadian field-naturalist. 1980 Notes 459. Figure 1. Male Moose skull with a peruke. of the effects of both hypogonadism and castration in other cervids (Taylor et al. 1964; Murphy and Clug- ston 1971; De Martini and Connolly 1975). Toxic substances have been suggested as the cause of testicu- lar atrophy (Thomas et al. 1964; De Martini and Connolly 1975), but to my knowledge these sugges- tions have not been confirmed. Accidental castration may have occurred in the cases of the Moose described. Literature Cited Bubenik, A. B., O. Williams, and H. R. Timmerman. 1977. Visual estimation of
. The Canadian field-naturalist. 1980 Notes 459. Figure 1. Male Moose skull with a peruke. of the effects of both hypogonadism and castration in other cervids (Taylor et al. 1964; Murphy and Clug- ston 1971; De Martini and Connolly 1975). Toxic substances have been suggested as the cause of testicu- lar atrophy (Thomas et al. 1964; De Martini and Connolly 1975), but to my knowledge these sugges- tions have not been confirmed. Accidental castration may have occurred in the cases of the Moose described. Literature Cited Bubenik, A. B., O. Williams, and H. R. Timmerman. 1977. Visual estimation of sex and social class in Moose (Alces alces) from the ground and the plane (a preliminary study). Proceedings of the 13th North American Moose Conference and Workshop, pp. 157-176. De Martini, J. C. and G. E. Connolly. 1975. Testicular atrophy in Columbian Black-tailed Deer in California. Journal of Wildlife Diseases 11: 101-106. Dickie, F. 1960. Mystery of the "windigo" Moose. Family Herald, Montreal, Quebec. August 18: 34. Goss, R. J. 1968. Inhibition of growth and shedding of antlers by sex hormones. Nature 220: 83-85. Hopwood, V. G. 1971. David Thompson: travels in west- ern North America, 1784-1812. MacMillan of Canada, Toronto. 342 pp. Mitchell, H. B. 1970. Rapid aerial sexing of antlerless Moose in British Columbia. Journal of Wildlife Manage- ment 34(3): 645-646. Murphy, B. D. and R. E. Clugston. 1971. Bilateral testicu- lar degeneration in a wild Mule Deer. Journal of Wildlife Diseases 7: 67-69. Seton, E. T. 1929. Lives of game animals. Volume 3. Dou- bleday, Doran and Company. New York. 780 pp. Taylor, D. O. N., J. W. Thomas, and R. G. Marburger. 1964. Abnormal antler growth associated with hypogon- adism in central Texas deer. Southwestern Veterinarian 20:93-98. Thomas, J. W., R. M. Robinson, and R. B. Marburger. 1964. Hypogonadism in White-tailed Deer of the central mineral region in Texas. Transactions of North American Wildlife Conference 29: 225-236. Wi
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