. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Prof. A. Neliring on Myodes lemmus crassidens. 295 these lemmings beside that of an Arvicola amphibius or A. ratticeps in order to appreciate the great difference. Fig. 1. yn. 1 ?V1\ 1 •VnS Fiff. 2. Fig. 1.—The masticatory surfaces of the cheek-teeth of Myodes lemmus ci-assidens from Portugal, enlarged about 6 times. u. Lower row of teeth. o. Upper row of teeth. Fig. 2.—The masticatory surfaces of the cheek-teeth of Arvicola ratticeps, K. & BI., from Northern Russia, enlar
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Prof. A. Neliring on Myodes lemmus crassidens. 295 these lemmings beside that of an Arvicola amphibius or A. ratticeps in order to appreciate the great difference. Fig. 1. yn. 1 ?V1\ 1 •VnS Fiff. 2. Fig. 1.—The masticatory surfaces of the cheek-teeth of Myodes lemmus ci-assidens from Portugal, enlarged about 6 times. u. Lower row of teeth. o. Upper row of teeth. Fig. 2.—The masticatory surfaces of the cheek-teeth of Arvicola ratticeps, K. & BI., from Northern Russia, enlarged 6 times. M. Lower row of teeth. o. Upper row of teeth. Fig. The skull of 3Iyodes lemmus a-assidens, with the under jaw, from Portugal. Natural size. The differences between the three known species of lemmings lie chiefly in the colour of the fur and in their size. From my. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London, Taylor and Francis, Ltd
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