. A guide to the fossil mammals and birds in the Department of geology and palontology in the British Museum (Natural history) ... With 6 plates and 88 text-figures . Fig. 51.—Grinding surface of upper molar tooth of i Elephas {Stcgodon)clifti, from the Lower Pliocene of the Siwalik Hills, India ; one-halfnat. size. (Pier-case -30.). Fig. 52.—Grinding surface of incoinplito upper molar tooth of Elephasplanifrons, from the Lower Pliocene of the Siwalili Hills, India; two-thirds nat. size. (Pier-case 34.) ()() (U*IDE TO TJIK Fossil, MAMMAF,S AND l!Il;l>S. Pier-cases iiiiL;ii]ai- lool-like .sh


. A guide to the fossil mammals and birds in the Department of geology and palontology in the British Museum (Natural history) ... With 6 plates and 88 text-figures . Fig. 51.—Grinding surface of upper molar tooth of i Elephas {Stcgodon)clifti, from the Lower Pliocene of the Siwalik Hills, India ; one-halfnat. size. (Pier-case -30.). Fig. 52.—Grinding surface of incoinplito upper molar tooth of Elephasplanifrons, from the Lower Pliocene of the Siwalili Hills, India; two-thirds nat. size. (Pier-case 34.) ()() (U*IDE TO TJIK Fossil, MAMMAF,S AND l!Il;l>S. Pier-cases iiiiL;ii]ai- lool-like .shape ol the cioss-lidges of llii; luelli (, 36. 48, 51), has tliese ridges more numerous and usually deeper,^ 2^3^^^^^ wliile the intervening valleys are i)artly filled with a softtooth-sulistance termed cement. Stcgodon is generally re-garded as a sub-genus or section of U/cphas ]»]()))er, andvarious remains (»f it from India, Burma, and China arePier-cases exhilnted in Pier-cases 35, 86. A fine skull of Elc2Jhi^sf^ d^k {^^V^) fjn<sa with immense tusks (Fig. TjO) from theSiwalik Formation, presented hy CJeneral Sir W. Yj. Baker,is UKjunted on a separate stand (K). In the true Ekpliasthe tooth-ridges are excessively deepened and C(jmparativelynumerous (Figs. 49, 52), while the intervening valleys, nowmere crevice


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