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Show 1878.] SIR V. BROOKE ON GAZELLA GRANTI. 723 first vertebra, which has considerable length and breadth, is marked on its under surface by a prominent ridge which does not occur in the above-mentioned Indian toad. The transverse processes of the sacral vertebra are dilated as in Bufo. 13. O n Gazella granti. By Sir V I C T O R B R O O K E, Bart., F.Z.S. [Eeceived June 17, 1878.] Some years ago (vide P. Z. S. 1872, p. 601. pl. xii.) I had the pleasure of bringing before the Society's notice a species of Gazella which I supposed to be new, and upon which I conferred provisionally the name Gazella granti. M y original description of the species was based on small water-colour sketches of the head and flat skins of a male and female obtained by Capt. Speke and Col. Grant in Ugogo, which were executed by them previous to the dispatch of the specimens to England. When writing m y first notice, I believed that these specimens had been lost, there being no record of their arrival at the Society's rooms, where Capt. Speke had expressed a wish that they should be kept until his return ; but Col. Grant has since informed me that they reached England safely and are still preserved along with some other objects of natural history collected by Capt. Speke, in Capt. Speke's father's house. In 1875 Dr. Kirk presented to the Society (vide P. Z. S. 1875, p. 527, pl. lix.) the first living specimen of the species which had ever been exhibited in Europe. Unfortunately the animal, a very young female, arrived in very delicate health, and died shortly afterwards. It is now preserved in the British Museum (spec. 75. 12. 29. 4), whither it was transferred after Mr. Sclater's exhibition of it to the Society. It was not, however, till towards the end of last year that the first specimen of an adult male of this magnificent gazelle came under m y personal observation. The animal was shot by Mr. Charles Arkwright, about 8 miles from the village of Tubugwe, which is situated, as nearly as Mr. Arkwright could ascertain, about 50 miles N.E. of Ugogo. It was one of a herd composed of about 20 individuals, amongst which there was one other old male. Mr. Arkwright has most kindly intrusted his valuable trophy to m y care ; so that I am enabled to exhibit it to the Society this evening, and to base upon it and upon the young female in the British Museum a fuller and more accurate description of the species than was possible at the time of m y original notice. GAZELLA GRANTI. 1863. Antilope seemmerringiil Speke, P. Z. S. 1863, p. 3, sp. 15. 1872. Gazella granti, Brooke, P. Z. S. 1872, p. 601, pl. xii. 1873. Gazella granti, Brooke, P. Z. S. 1873, p. 550. 1875. Gazella granti, Sclater, P. Z. S. 1875, p. 535. General colour very rich fawn tinged with purple, the neck and |