. Catalogue of the mammals of western Europe (Europe exclusive of Russia) in the collection of the British Museum. 318 CARNIVORA. Skull.—The skull is much smaller than that of Cam's lupus. In form it differs slightly in the less elevated frontal region and somewhat more inflated auditory bulla?. Teeth.—While agreeing with those of Cain's lupus in general form and in the position of the cusps, the teeth are on the whole more trenchant in character, as shown by the general tendency toward narrowness of crown and prominence of ridges. This is particularly noticeable in the upper molars, in which
. Catalogue of the mammals of western Europe (Europe exclusive of Russia) in the collection of the British Museum. 318 CARNIVORA. Skull.—The skull is much smaller than that of Cam's lupus. In form it differs slightly in the less elevated frontal region and somewhat more inflated auditory bulla?. Teeth.—While agreeing with those of Cain's lupus in general form and in the position of the cusps, the teeth are on the whole more trenchant in character, as shown by the general tendency toward narrowness of crown and prominence of ridges. This is particularly noticeable in the upper molars, in which the large cusps are relatively higher, more slender, and less terete than in Canis lupus, their cutting ridges much more developed ; transverse diameter of metacone in m^ noticeably less than width of inner portion of crown ; cingulum on outer border of both upper molars wide and cons2:)icuous in contrast with narrow cusps, KiG. 62. showing no tendency to become obsolete in Canis aureus, regioia between paracone and metacone. Lower ^''cheek-teeth"^ carnassial with metaconid actually as well as Nat. size. relatively larger than in Canis lupus, and posterior heel with area equal to nearly half that of anterior portion of tooth, its cus2:)s strongly developed. Measurements.—For cranial measurements see Table, p. 316. Siiccimens examined^—-One from Greece (Piraeus); numerous others from Asia Minor and India. Bcmarlcs.—The single specimen from Greece agrees sufficiently with a series of five from Khotz, near Trebizond, Asia Minor, to make it appear unwise, in the absence of more satisfactory material, to use one of the Balkan names. 1. Pirfcus, Greece. (C. Mottaz.) Hon. N. C. Roths- 8. 10. 2. 49-50. child (p). Genus ALOPEX Kaup. 1829. Alopcx Kaup, und Natiirl. Syst. Europ. Thicrw., i, p. 83. 1857. Lcucocyon Gray, Proc. Zool. Soc, London, p. 512. Tape species.— Canis lagopus Linnteus. Gcograpliieal distribution.—Arctic region of l)oth Old and New "
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