74 NORTH AMKUICAN 



Epiplcuiae of elytra rufous or rufo-castaneous ; eyes very strongly convex ; 

 legs pale, 

 lilytra fully twice as long as the pronotum. 



Labruui short ; head much narrower than the prothorax, the latter 



about as wide as the elytra ; posterior margin of pronotum but very 



slightly wider in tlie middle than near the basal angles... 1. dllbilis. 



Labrum long ; prothorax scarcely perceptibly wider than the head, and 



distinctly narrower than the elytra, posterior margin nearly twice as 



wide in the middle as at the posterior angles 2. litoreiis. 



Elytra scarcely twice as long as the prothorax, and equal to it in width ; 

 labrum very long ; basal margin of pronotum much wider in the 



middle 3. liisectus. 



Epipleurae of elytra black ; eyes much less convex ; legs dark piccDUS. 



4. f^xaiius. 



1. C dllbillS (Beauv.) — Ins. Afr. et Am. p. 8, t. IT), f. 7; Peniisi/Iraniciis 

 Dej. — First joint of antenna three-fourths longer than wide, .sub-cylindrical, 

 rather abruptly narrowed at base, second two-thirds as long as the third, and 

 just visibly .shorter than the fourth, fourth slightly shorter than the fifth, 

 joints five and six equal in length, one-fourth longer than wide, outer joints 

 from the fourth very strongly compressed. Middle femora having on its lower 

 face a row of five erect setae, beginning at the base, nearly parallel to the 

 axis and above it, also another row of about seven setae from the middle of 

 the base obliquely to tlie lower edge beyond the middle, also a short straight 

 row of four short stitf setae near the tip and from the upper edge obliquely 

 and inwardly to the median line where it ends; in addition two long erect 

 setae in the basal third of the lower edge, and a row of equidistant very short 

 inclined setae along the entire upper edge; corresponding tibiae scarcely as 

 long as the femora ; posterior tibia slightly longer than the femur, first joint 

 of the tarsus very slightly longer than the second, last joint distinctly shorter 

 than the first two together, equal in length to the second and third together. 

 Length 9.8 mm. 



New Jersey ; District of Colun)bia. 



2. C. litoreilS n. sp. — Antennae much shorter, liasal joint twice as long 

 as wide, gradually narrowed toward base, second two-thirds as long as the 

 third, about three-fourths as long as the fourth, fourth slightly longer than 

 the filth, joints five to eight eijual in length, the former one-fifth longer than 

 wide. Middle fi-mora having three long erect setae along the lower edge 

 exteriorly, and three along the same edge interiorly ; median oblique row of 

 about five erect setae on the lower face reaching the lower edge at two-thirds 

 tlie length from the base, also an upper marginal row of about three or four 

 setae; posterior tibiae slightly longer than the femora, first joint of the tarsus 

 as in <lnl>iiis. Length 8.0 mm. 



Atluiilic •'ity, New Jersey. 



The smallest species of the geinis thus far described ; it is very 

 distinct in facies, the very narrow jirothorax and relatively broad 

 atid deflexed head giving it a very peculiar appearance. 



