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Show 496 DR. J. MURIE ON SAIGA TARTARICA. [June 9, interval being broad. Several of the uppermost rings interdigitate. In front the first one corresponds in width to the succeeding rings, but laterally and behind it expands in a broad triangular form, the anterior or upper margin of which fits into the lower arched border of the cricoid cartilage. The lungs agree with Pallas's description, the left trilobuled, the right tripartite above, and a large lobe below, with a partial lobule at its upper and inner corner. IV. EXTERIOR CHARACTERISTICS. 1. Form and Integument. Without hesitancy I offer testimony to the unusually lucid and succinct manner in which Pallas sets forth his descriptive remarks of the external characters of the Antilope saiga ; and his illustration of the animal is equally happy. Wolf's coloured lithograph in our ' Proceedings,' 1867, pl. xvii., depicts the species in a different seasonal dress ; and consequently the neck has a thicker aspect than in the former author's figure. It is in the hornless female that one quickly traces Sheep-resemblances, the addition of the erect annulated horns in the male masking or altering tbe ovine expression. Seen from above, the hornless head is long, and, indeed, rather Pig-like, the ears standing well out, the jaws tapering but slightly towards the broad truncated nostrils. The capacious, patulous, oval nasal apertures are a most remarkable feature in the front view when the head is raised. In the adult male (fig. 12) the prolongation of the nasal trunk is greatest, and there is a thick tuft of long hair springing from beneath the eye and overhanging the cheek, besides a fringe of long hair at the margins of the ear, which heightens the uncouth aspect of the animal. As regards bodily dimensions, these have been amply given in the table (p. 37) of the 'Spicilegia/ From my measurements of the dead bodies it appeared the adult male stood higher at the withers than at the loins, the reverse being the case in tbe half-grown female. A circumstance is mentioned by Pallas which merits attention as affording an inkling of affinity. I allude to the fact that the horns of the Saiga are subject to inconstant abnormalities as regards number. He says (/. c.p. 35), *** Certis testimoniis consentientium venatorum, quos veraces alias expertus sum, plurium teneo, reperiri interdum succenturiato ad alterum latus minori cornu tricornes mares; reperiri aeque raro unicornes, cornu majori, monstroso varieque torto in media fronte instructos." Among the Deer it is no uncommon thing to find irregularities or abnormalities in the growth of the horns-for instance, in the production of extra snags or non-development of the normal ones. No Deer, however, to m y knowledge, possesses more than two branched antlers or cervine horns proper; nor do I know of any case where |