. The Cambridge natural history. Zoology. 148 NOTOTHEKIUM The dental formula is I f C iPm f M ^i-; the last premolar is a great blade-shaped tooth like that of Potorous. Ndtothcrium was a creature smaller than Dlprotodon, but still of large size; it is believed to have been a burrowing creature, and to connect the Wombats with Dii>ri)tndim. More certainly allied to the existing Wombat was , a Wombat as big as a Tapir. Of extinct American Diprotodonts the Epanorthidae, already referred to in connexion with the living Caenolestes, were the most. FiH. 75.—yuotherinm mit
. The Cambridge natural history. Zoology. 148 NOTOTHEKIUM The dental formula is I f C iPm f M ^i-; the last premolar is a great blade-shaped tooth like that of Potorous. Ndtothcrium was a creature smaller than Dlprotodon, but still of large size; it is believed to have been a burrowing creature, and to connect the Wombats with Dii>ri)tndim. More certainly allied to the existing Wombat was , a Wombat as big as a Tapir. Of extinct American Diprotodonts the Epanorthidae, already referred to in connexion with the living Caenolestes, were the most. FiH. 75.—yuotherinm mitchelli. Side view of skull. x |. (After OAven.) prominent forms. The genus U'panorthus occurs in the Santa Cruz formation of Patagonia, which is believed to be Midcenc. The incisors are three in the upper jaw ; and the single incisor of each ramus of the lower jaw is a great chisel-shaped, cutting instrument. Altdrrites is also typically Diprotodont hj reason of the large projecting incisors of the lower jaw. It has a large cutting tooth in the lower jaw, which appears to be the last premolar, and is thus comparable to the great cutting tooth of the lower jaw and of the upper jaw of the Extinct Phalanger, ThylacoUo. ' (^uite recently [Pmc. Linn. Soc. IK 1898, p. 1) the carnivorous character of Thijlncofco has been reasserted liy Mr. 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 Harmer, S. F. (Sidney Frederic), Sir, 1862- ed; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. ed. [London, Macmillan and Co. , Limited; New York, The Macmillan Company
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