TKTrilOrTERYX. 369 



short and slightly narvower than second, wliich is dce])ly 

 emarcrinate at apex ; first two joints of liinder paii's of 

 tarsi dilated. L. ^^V 1- ^^t3ry rare. T. Kirhyi, j\Iat. 



li. Posterior angles of thorax not, or only slightly pro- 

 duced. 



n. Thorax distinctly broader than elytra. 



I. Elytra distinctly longer than head and thorax, oval. 

 Elongate, oblong, convex. Brown-gray, closely covered 



with long, pale, silky hairs ; antennae and legs yellow, 

 former long ; under-side pitch-black, with mouth and coxae 

 yellow. Head large, broad, eyes not prominent; thorax 

 br(jadest in middle, scarcely narrowed behind, tubercles 

 small, placed closely and irregularly, posterior angles 

 slightly produced, sicles feebly bordered; elytra broadest in 

 middle, rather deeply asperate, interstices deeply reticulate, 

 apices scarcely rounded, L. ^ 1. Very rare. 



T. Edithia, Mat. 



II. Elytra not, or scarcely longer than head and 

 thorax, quadrate. 



Short, rather flat. Brown, closely covered with long 

 pale hairs ; antennae and legs yellow, former long ; under- 

 side black-brown, abdomen lighter, mouth and coxae 

 yellow. Head large, somewhat prominent, eyes tolerably 

 prominent ; thorax short, transverse, broadest behind 

 middle, slightly narrowed at base, tubercles tolerably large, 

 placed in strongly-curved rows, sides feebly bordered ; 

 elytra deeply asperate in slightly curved rows, sides nearly 

 straight until near apex, thence rounded, apices scarcely 

 rounded. L. -^ 1. Very rare. T.fuscula,M.iit. 



h. Thorax not, or scarcely broader than elytra. 

 I. Head and thorax black. 



1, Antennae black or pitch-black. 

 A A. Elytra deeply asperate. 



(I a. Body short and broad ; posterior margin 

 of thorax somewhat bisinuate ; elytra black. 



A a. Eyes prominent ; apices of elytra 

 nearly straight. 



Short, oblong, strongly convex. Black or black-brown, 

 closely covered with short, pale hairs ; legs yellow ; under- 

 side pitchy, mouth and coxae lighter, apex of abdomen 



B B 



