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Show 1869.] LETTER FROM PROF. J. REINHARDT. 55 front of its neck. It follows that both species are alike met with in Eastern and in Southern Africa. By the kindness of Mr. Knight and other gentlemen connected with the Ipswich Museum, I am enabled to exhibit a pair of loose horns of the smaller Kudu, which are about two-thirds grown ; that they belong to a different species from the other is at once perceptible upon comparison. Those upon the stuffed specimen in the British Museum had long been full-grown ; and their much abraded appearance indicates the individual to have been aged; yet from base to tip they measure only 19| inches in a straight line, and following the curve 24 inches; greatest width apart (at the tips) 12 inches. They are thus only two-fifths of the size of the horns of the other species, which commonly attain to 4 feet or more in a straight line from base to tip, and 5% feet round the curvature; from anterior base of horn to nostril (in the stuffed specimen) 71 inches, and ears 8 inches. In the smaller of these two species of Kudu the horns are more prominently angulated, and their spirature is considerably more tense than in the other; indeed what constitutes the posterior angle of the horn at base, and appears to the front about the middle of its length, hardly deviates from a straight axial chord (fig. 3a, a b), round which the horn twirls; while in S. kudu the spirature is invariably much more apart-and not varying, as it does so remarkably in the horn of the Markhore Goat (Capra megaceros). The horns of the smaller Kudu are extremely rare in collections, the reason probably being that, as horns of this kind are chiefly brought as trophies of the chase, the smaller have been neglected on the supposition that they were inferior specimens ; and the only pair which I know of in any English museum (besides those upon the head of the stuffed example in the national collection) consists of the two loose horns now exhibited from the museum of Ipswich. Dr. Gray, in his 'List of Specimens of Mammalia in the British Museum' (1850, p. 143), under Strepticeros kudu, notices "Var. smaller. Inhabits Abyssinia ; Mus. E. I. C.; Mus. Frankfort, adult and young." I consider this small Kudu, of which adults of both sexes are figured and described by Sir Andrew Smith, to be decidedly a well-marked species; and therefore I now propose for it the name of Strepticeros imberbis. January 28, 1869. J. Gould, Esq., F.R.S., in the Chair. The following extracts were read from a letter addressed to the Secretary by Prof. J. Reinhardt, F.M.Z.S., dated Universitetets Zoologiske Museum, Copenhagen, January 15th, 1869:- " Among the different interesting contributions which my excel- |