Xll 



CONTENTS. 



Dental Sj'stem of Reptiles , , . , 



Teeth of the Iguanodon and the Megalosaurus 



Skull and Teeth of the Dicyuodon 



Teeth of Crocodiles .... 



Teeth of Poisonous Snakes . 



The Dental System of Mammalia 



Form, Fixation, and Structure of Mammalian Tec 



Teeth of the Carnivora 



Of the Lion ..... 



Of the Morse ..... 



Of the Porcupine .... 



Teeth of the Rodent Mammalia . 



Of the Horse ..... 



Of the Elephant ..... 



Of the Siberian Mammoth . 



Succession of the Elephant's Grinders 



Development of the Elephant's Grinders 



Teeth of the Megatherium . 



Of the extinct Anoplotherium 



Of Ruminants ..... 



Of the Seal Tribe .... 



Of the Quadrumana .... 



Of the Orang and the Chimpanzee 



Of Monkeys and Lemurs 



Homologies of the Teeth 



Deciduous and Permanent Teeth of the Hog 



Homologies of the Human Teeth 



Notation and Symbols of Teeth . 



th 



>59, 



'AGE 



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