433 



INDEX. 



Iguanodon, teeth of 

 Incisors, definition of . 



,, human, description of . 

 Insectivora, teeth of . 



,, characteristic molars 



of 



Internal pterygoid muscle 

 Interglobular spaces . 



Kangaroos, teeth of 

 Kangaroo, enamel of . 



L. 



Labyrinthodon, teeth of 



,, dentine of 



Lacunae, of cementum . 



,, development of 



,, encapsuled 



in pits of enamel 



of Howship 

 Lamna, teeth of . 



dentine of . 

 Lemurs, teeth of 



,, canines of 

 Lepidosiren, teeth of . 

 Lepidosteus, dentine of . 

 Leptothrix, in interglobulai 



spaces 



Lines of Schreger . 

 Lizards, teeth of 

 Lophius, teeth of . 

 Lumen, appearance of 



M. 



Machairodus, teeth of . 

 Mammalia, teeth of . 266 



typical dentition of . 27 



Mammoth, tusks of . 

 Man, teeth of . 



,, teeth of different races of . 415 

 Manatee, teeth of 



enamel of 



,, dentine of . 

 Mandible 



Mark of horses' incisors 

 Marsupialia, teeth of 



milk teeth of . 



,, peculiar enamel of 53,423 



Masseter muscle . 

 Mastication, muscles of . 



