( xix ) 



Opisthoglyphous . . (Gr. " opisthe " behind, " glypho " I carve.) 

 Applied to the maxilla that bears fangs 

 posteriorly. 



Palatine . . The tooth-bearing bone at the front of the 



roof of the mouth. 



Proteroglyphous . . (Gr. " proteros " in front, " glypho " I carve.) 

 Applied to the maxilla with fangs ante- 

 riorly. 



Pterygoid . . The tooth-bearing bone behind the palatine. 



Rectiform .. (Lat. "rectus" straight, "forma" shape.) 



Applied to scales that are not oblique. 



*Scaphiodont .. (Gr. " skaphe " a boat, " odous " tooth.) 

 Decreasing in length from before back- 

 wards. This type of dentition when seen 

 in the lower jaw reminds one of the shape 

 of the bows of a ship. 



Serrate .. (Latin " serra " a saw.) Toothed like 



a saw. 



Syncranterian . . (Gr. " syn " together, " kranteres " the 

 wisdom teeth. ) Applied to teeth that have 

 no toothless gap near the back of the 

 maxilla. (As opposed to diacranterian.) 



Syndrome . . (Gr. "syn" together, "dromos " a running. 



A combination of characters. Usually 

 applied medically, but may be conveniently 

 used zoologically. 



Tylotose .. (Gr. "tulotos" knobbed.) With a boss or 



swelling. 



* 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. 



