Thy 226 



Thysanoptera. — An order of Hexapoda. An order 

 of insects possessing four narrow fringed wings, 

 and a weak imperfect suctorial mouth. The 

 metamorphosis is very slight. (Gr. thysanos, 

 a fringe, and pteron, a wing.) 



Thysanura. — A sub-order of apterous insects, 

 belonging to the order Aptera, which undergo 

 no metamorphosis, and possess no wings, but 

 three pairs of legs. They practically remain in 

 the larval stage throughout life. (Gr. thysanos, 

 a fringe, and oura, a tail.) 



Tiaratate.— (Egg.) Turban-shaped. (Gr. tiara, 

 a turban. 



Tibia. — The shank, or fourth joint of the leg, con- 

 nected with the femur and the tarsus. (L.) 



Tibial. — -Pertaiiiing to the tibia. 



Tomentose. — Covered with fine matted hairs ; 

 Cotton-like in appearance ; cottony. (L. 

 tomentum, woolly.) 



Tomentum. — A kind of soft pubescence. (L.) 



Tongue. — (A.S. tunge.) See Lingua. 



Topazine. — (Splendour.) The yellow splendour of 

 the topaz. (Gr. topaz.) 



Tornus.- — (Wing.) The angle between the dorsum 

 and the tcrmen. (L.) See Anal angle. 



Torose, Torous. — Protuberant swelling in knobs. 

 (L. torulus, a knob.) 



