. A guide to the fossil mammals and birds in the Department of Geology and Palæontology in the British Museum (Natural History) .. . bie. 19.—View of the grinding-surfaee of the second right lower true molar of Elephasantiqum (Falc.); £ natural size ; from the Pleistocene of Grays, Fig. 20.—View of the grinding-surfaee of upper molar of Elephas mes§ natural size : from the Upper Pliocene of Tuscany. dioualis (Nesti); pattern (Fig. 16) ; the Indian elephant has many plates, closelyfolded together and finely crimped at their edges (Fig. 15).The teeth of the larger number of fossil elepha
. A guide to the fossil mammals and birds in the Department of Geology and Palæontology in the British Museum (Natural History) .. . bie. 19.—View of the grinding-surfaee of the second right lower true molar of Elephasantiqum (Falc.); £ natural size ; from the Pleistocene of Grays, Fig. 20.—View of the grinding-surfaee of upper molar of Elephas mes§ natural size : from the Upper Pliocene of Tuscany. dioualis (Nesti); pattern (Fig. 16) ; the Indian elephant has many plates, closelyfolded together and finely crimped at their edges (Fig. 15).The teeth of the larger number of fossil elephants resemblethose of existing species, but in some of the earlier forms theyMastodon. approach more nearly in character those of the Mastodon; theridges are, however, more numerous in the elephant, and thevalleys which divide them are filled with cement, but in theMastodon the spaces between the ridges had little or no 17-23, are given to illustrate some of these variationsin the mode of growth and development in the molar teeth ofextinct forms of Proboscidea. big. L7 shows, in section, amolar tooth of Elephas planifrons in which all the valleys are Proboscidea—Molar teeth of Mastodons. 17 quite filled with, cement. Fig. 23 shows, in section, a molar Molar Teeth
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmammals, bookyear1896
