The Dental cosmos . Right maxilla of Manichus tropicalis, with remarkable defect on distal surface ofcanine. (South Kensington Museum. No. ) (S. P. Mummery del.) Fig. Defects resembling wasting in the teeth of asea-lion (Otaria jubata). (After Murie.) skull of Otaria Stelleri in the same mu-seum, which shows defects very similar to those described by Murie and shown derms, mollusks, cracking the shellsin his illustration. In this case the teeth of the latter with their teeth. Besidesare not only very much worn by the ac- this, they always take a few pebbles or 682 THE DEXTAL


The Dental cosmos . Right maxilla of Manichus tropicalis, with remarkable defect on distal surface ofcanine. (South Kensington Museum. No. ) (S. P. Mummery del.) Fig. Defects resembling wasting in the teeth of asea-lion (Otaria jubata). (After Murie.) skull of Otaria Stelleri in the same mu-seum, which shows defects very similar to those described by Murie and shown derms, mollusks, cracking the shellsin his illustration. In this case the teeth of the latter with their teeth. Besidesare not only very much worn by the ac- this, they always take a few pebbles or 682 THE DEXTAL COSMOS. stones along with their food, and accord-ing to some authors, sand, and thesefacts seem to furnish a sufficient explana-tion for the marked wearing referred states, in the Royal NaturalHistory, that in the stomach of everysea-lion he has examined, with the singleexception of a young animal, there wasfound a quantity of pebbles. In the South Kensington Museum Iran across a skull of Manichus tropical is( No. ) in which the powerfullydeveloped upper right canine shows amarked excavation on the distal surfaceabout at the level of the gums. (Fig. 2.)


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Keywords: ., bookauthor, bookcentury1900, bookdecade1900, booksubjectdentistry