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Show 1890.] SOUTH-AMERICAN CANID.E. 109 To this paper Burmeister replied (Arch. f.Natur. xiii. vol. i. p. and after blaming Philippi for non-attention to his figures, he expresses his opinion that the animal from Chile, which Philippi speaks of as the Chilla, is his C. gracilis. In his work on the Argentine Zoology, vol. iii. p. 150, he uses a note of interrogation about it. Such is the literature of the subject, so far as I have been able to ascertain, up to the present time. The varieties or species hitherto referred to seem to me to arrange themselves iu two sets, as regards the proportions borne by the fourth upper premolar to the upper molars. In C. azarce, C. griseus, Fig. 5 Side view of skull of Canis 'urostictus. C. gracilis, C. fulvipes, and C. entrerianus, and the C. vetulus of Lund, it ranges from 100 and 107 up to 100 and 130. In C. vetulus of Burmeister and the British Museum specimen like it (my C. parvidens) it varies from 100 and 155 to 100 and 166. But there is in the British Museum a very interesting skull * extracted from a skin, also there preserved, which was bought of Claussen from Brazil. On its label is a suggestion, made by an unknown author, that it may be the C. brasiliensis oi Lund (I. c. p. 10, pi. xiii. figs. 1-3), but this it cannot be. Lund gives a side view of the skull (probably life-size), which shows not only a strikingly different configuration, but an extremly contrast as to the dimensions of the teeth. In his species the last 1 No. 46. 4.25. 8. 1033 c, out of skin 44. 3. 7. 4. P R O C ZOOL. Soc-1 890, No. IX. 9 |
