222 



INDEX 



Ptychodont, 64, 212 

 Puff-adders, 109 

 Pulp, 212 

 Pulp-canal, 212 

 Python, 110 

 Python regius, 110 



Quadritubercular, 53, 54, 212 

 Quadrumana, 60, 174, 176 

 Quinquetubercular, 212 



K. 



Rabbit, 131, 136 



Raccoon, 140, 152 



Rachidian, 39, 212 



Rachiglossa, 40 



Racial differences of teeth, 197 



Radula of winkle, 39, 212 



Raphidioglossa, 40 



Rat, 82, 131 



Rattlesnake, 108, 109 



Ray, 44, 53, 79, 86, 89 



Reptiles, 49, 51, 56, 61, 63, 79, 



96, 99 

 Reptilia, 96 



Rhinoceros, 154, 164, 167 

 Rodentia, 60, 61, 131 

 Root, 212 

 Root-canal, 212 

 Rugae, 213 

 Ruminant, 61, 159 



S. 



Salamander 98 



Salmon, 86, 94 



Sargus, 86, 93 



Sawfish, 44, 50, 92 



Scalpriform, 132 



Scaridse, 81 



Sciurus niger, 53, 137 



Sea-urchin, 35, 59 



Seals, 152 



Septum, 213 



Shagreen, 89 



Shark, 44, 45, 80, 86, 89 



Sheep, 154, 159 



Shrew, 129 



Siren, 97, 98 



Sirenia, 54, 123 



Skunk, 149 



Sloth, 56, 82, 120 



Smilodon, 146 



Snake, 97 



Spectre-lemur, 176 



Sperm-whale, 123 



Spoonbills, 113 



Squirrel, 53, 131, 137 



Stellar's rytina, 125 



Stillio, 101 



Stomacholiths, 38, 213 



Stork, 113 



Succedaneous teeth, 83, 213 



Succession of teeth, 79 



Sulcus, 213 



Supernumerary, 213 



Sus scrofa, 160 



Swallows, 113 



Swans, 113 



Symphysis, 213 



T. 



Tadpole, 97 

 Tsenioglossa, 40, 213 

 Talon, 54, 213 

 Talonid, 72, 213 

 Tapir, 154, 164, 168 

 Taxidea americana, 150 

 Teleostei, 93, 98 

 Temporo-mandibular articula- 

 tion, 79 

 Tetartocone, 69 

 Tetartoconid, 69 

 Theca, 213 

 Thecal fold, 90 

 Thecodont, 48, 49, 50, 214 

 Tiger, 140, 141 

 Tissues of teeth, 26 

 Toad, 96 



Tooth, definition of, 214 

 Tooth forms, 31 



force that dictates, 30 



of invertebrates, 34 



of vertebrates, 51 

 Tooth of continuous growth, 51 

 Tortoise, 111 



