INTRODUCTION 



Xlll 



Tail. — The portion of the body between the anus or 

 cloacal opening and the posterior extremity. 



Teeth. — This term is reserved for comparatively simple 

 structures on the lips or within the mouth, buccal capsule 

 pharjTix or oesophagus. Complex serrate or denticulate struc- 

 tures (e.g., such as occur in Crossocephalus) are termed jatvs. 



Telamon. — A more or less strongly-chitinized supporting 

 structure, of varying shape, developed in connection with the 

 ventral wall of the cloaca of the male. 



Viviparous.— Vvodmcmg eggs which hatch while still 

 contained in the uterus. 



