Geological magazine . im inre Fig. 2. — Grinding andouter aspects of a left uppermolar of Anchitherium longi-criste. pr. protocone ; ; me. metacone; ; pi. protoconule ;a. anterior ridge ; m. middleridge ; p. posterior ridge ;pp. posterior prominence. Eevieus—Prof. E. F. Oshorn—Molars of Perissocladyla. 319 of the Horses. To this statement we must take the present oppor-tunity of objecting. The term posterior pillar (although it has been. hy. ml. pr. pi. Fig. 3.—Three right upper cheek-teeth of as in Fisr. 2. ml. metaconule;

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1864