174 



FA:\rrLY ii. — carabid.e. 



h. (Juter apical angle of front tibiae prolonged ; form robust ; length 



14 mm. LXII. Xothopus. 



66. Outer apical angle of tibiae not prolonged; form less robust; lengtli 



less than 11 mm. 



c. Mentum tootlied; bind angles of tliorax sharply rectangular; 



length 8-10 mm. LXIII. Cbatacaxthus. 



ec. llentum not toothed ; length less than S.o mm. 



d. First joint of hind tarsi slightly longer than second; outer edge 

 of middle tibiae rather flat and with a double row of spinules 

 closely placed ; elytra with one dorsal puncture. 



LXIV. AGONODEBTjS. 



dd. First joint of hind tarsi nearly :is long as the next three; middle 

 tibiae with the spinules sparsely placed, in the male curved 

 and serrate on the inner side ; three rows of dorsal punctures. 



LXV. DiscoDEsrs. 



LXI. flEOPixrs Lee. 184.S. fGr.. "eaith ^ dirt.") 



Eepresented in the United States by one medium-sized robust 

 species which burrows deeply in damp, sandy localities. The sur- 

 face is smooth and glabrous, thus favoring its subterranean life. It 

 may often be taken hj- suddenly turning over an old log partly 

 buried in sand. 



320 (10.52). Geopinus ixceas-satts Dej.. Spec. IV, 182S. 21. 



Oblong, convex. Brownish-yellow ; front 

 and middle of thorax and disk of elytra 

 often more or les.s piceous. Thorax one-half 

 broader than long, gradually narrowed be- 

 hind the middle ; base a little narrower than 

 elytra, region of the hind angles depressed. 

 Elytra sinuate near apex, striae moderately 

 deep, not punctured; intervals slightly eon- 

 vex. Length 1.3..5~15 mm. (Fig. 93.) 



Lake, Lajjorte, Clarion and Vigo coun- 

 ties: sraree. April 2.3— June 15. Four 

 were taken at electric light in Terre 



Fig. 93. Line shows natural length. HaUtC On JunC 9. 



LXII. XoTHOPCS Lee. 18-53. (Gr.. " spuriuus - f oot. ' " ) 



Represented ia the United States by a single ryther large, ro- 

 bust black or piceous beetle, having the outer angle of front tibia 

 narrowly prolonged and rather deeply sinuate above the tooth. It 

 occurs from the Rocky ]\[()nntains eastwai d tfl Illinois and rarely to 

 northern Indiana. 



