( xvii ) 



GLOSSARY. 



Aglyphous 

 *Anisodont 

 *Anododont 



Canthus or Canthus 

 rostralis 



Oarinate 



Compressed 



fCoryphodont 



Cranterian 



Cune ate 

 Depressed 



Diacranterian 



(Gr. "a" without, " glypho " I carve) 

 implies without any fangs. 



(Gr. " anisos " unequal, " odous " tooth.) 

 Teeth of irregular length. 



(Gr. "a ''without, " nodos " a toothless 

 space, and "odous" tooth.) An un- 

 interrupted series of teeth. 



(Gr. "kanthos" the corner of the eye.) A 



ridge from the eyebrow along the top of the 



snout. 

 (Lat. " carina " the keel of a ship.) A ridge 



along certain scales, like the midrib on the 



under side of a leaf. 



(Lat. "compressus" pressed together.) 

 Applied to the body when flattened later- 

 ally, as in the salmon. 



(Gr. " korypha " the summit, and " odous " 

 tooth.) Increasing in length from before 

 backwards. 



(Gr. " kranteres " the wisdom teeth.) Used 

 to denote the teeth behind the gap when 

 present at the back of the maxilla 



(Lat. " cuneus " a wedge) wedge-shaped. 



(Lat. " depressus " sunk down.) Applied to 

 the body when flattened from above down- 

 wards, as in the crocodile or toad. 



(Gr. " dia " apart, and "kranteres" the 

 wisdom teeth.) Applied to teeth in the 

 maxilla in which the last two or three are 

 separated by a gap from the foregoing array. 

 Not to be confused with oinododont. 



* In studying the teeth, I find there is a dearth of suitable terms to 

 denote many variations of form and disposition. The writer, therefore, 

 suggests many to which he attaches an asterisk. 



t Originally applied by Owen to denote teeth with the cusps raised, 

 as in certain extinct animals that lived in the Eocene period. Subse- 

 quently used by Dumeril and Bibron for teeth of snakes which increase 

 in size from before backwards. 



6(6)20 



