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Show 1880.] MR. W. A. FORBES ON ANTILOCAPRA AMERICANA. 541 animals abound, as hey would be were the phenomenon usual Their appearance on the animal at times indicate that they mav be' shed; and I suppose the evidence is sufficient that the shedding occurs. But it is not periodical, or even frequent ' " Fortunately, we have not had long to wait before being; able to again test the accuracy of Mr. Bartlett's original position "On December4, the Society purchased a pair of Pronghorns, the w f u T u uW R S nCarlT °r luite adult> a n d had 'apparently lately shed his horns, as the pair which he bears were quite soft when he arrived' (cf P. Z S. 1380 p. 23). I„ confirmation of this, Mr. Bartlett tells me that his horns also had then no trace of the 'prong,' which subsequently grew in the ordinary position Our male animal lived in good health and condition through the summer, and grew a good (though by no means large) pair of horns. Fig. 2. Horn of Prongbuck, drawn the day after the shedding of the old horns : ^ nat. size. "During the night of October 18-19th last, these horns were shed; but no trace of them could be found, after the most careful search; so that in all probability they were either devoured by the animal itself, or carried away by some predatory rat, or visitor ! "Mr. Smit's drawings that I now exhibit were made on the spot, under m y supervision, the day after the shedding (October 20). "Fig. 1 shows the general form and size of the new horns. From it it is obvious that any person who was not acquainted with the mature horns of the animal would not for a moment suspect that any shedding had taken place. Fig. 2 shows one of the new |