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Show 428 ON M U S SYLVATICUS A N D ITS ALLIES. [Apr. 3, Three of typical series as measured I by Herr E. Biichner. No. 82.6.16.7 of British Mus. coll., ] South Shensi, China, Pere David. (Dimensions taken from dried skin.) d-d-sex (?) Head and body. mm. 113 121 100 Tail. mm. 79 79 *65-5 Hind foot. mm. 22 21 22-5 Ear. mm. Skull, extreme length. mm. 90 75 205 15 25 * Tail perhaps damaged. Mus sylvaticus draco. J. No. 98.11.1.20, Kuatun, Bohea Mts., N.W. Fokien, S.E. I ql 95 #20 China, April 18, 1898, J. D. La j Touche. J Q. No. 98.11.1.21, ditto, ditto, 83 91 April 27, 1898. * This item from dried skin only; those of head and body and tail are collector's measurements converted from inches. 25 25 Mus argenteus. No. 88.9.25.6. Japan (H. Pryer). No. 88.9.25.7, 2 • Difcfco- * Dimensions from the dried skin ; these increase to 195 and 13 when the skin is wet. t Collector's dimensions reduced from inches. 88 . 78 70 65 •17-5 1-17-5 *10 tio 24 24 EXPLANATION OF PLATE XXV. Geographical variation in Mus sylvaticus, as illustrated by (fig. 1) M. s. princeps (p. 408), the large light form of Roumania; (fig. 2) M. s. celticus (p. 401), the small dark form of Co. Kerry, Ireland. |