NOTOXUS. 345 



shaped ; mandibles broad, straight, apex abruptly curved 

 and two-toothed. Notoxus, Geoffr. 



JS. Thorax without horn. 



Head rounded or quadrangular; last joint of maxillary" 

 palpi hatchet-shaped ; mandibles broad, curved, bifid at 

 apex. Anthicus, Payk. 



Notoocus, 



Eeddish-yellow-brown ; head dark ; elytra with a small 

 spot at scutellum, another (sometimes absent) at side before 

 middle, and a large crescent-shaped one behind middle (often 

 united with scutellary or lateral spot) blackish. Horn of 

 thorax with four or five roimded teeth at sides ; elytra of 

 male somewhat truncate, with a slight elevation. L. 1| — 

 2 1. Common. N. monoceros, Lin. 



Anthicus. 



A, Head rounded at base. 



a. Front of thorax narrower than head. 



Pitch-black ; head black ; elytra often lighter at shoulder 

 and also before apex, sometimes entirely light brown ; base 

 of antennae and legs (with or without femora) red-brown ; 

 pubescence rather close, gray. Head completely rounded 

 behind ; thorax oblong heart-shaped, strongly dilated in 

 front, constricted before base. L. 1 — 1^ 1. Rather com- 

 mon. A. humilis, Germ. 



h. Front of thorax as broad as head. 



Black, with gray pubescence ; antennae short, black- 

 brown ; femora pitchy, tibiae and tarsi reddish. Head 

 diffusely and finely punctured ; thorax as broad in front as 

 head, strongly narrowed behind, constricted before base, 

 very closely and finely punctured, dull ; elytra shiny, dif- 

 fusely and not very strongly punctured, somewhat wrinkled 

 transversely. Punctuation finer and closer than in A. 

 humilis. L. 1 — 1|- 1. Not common. 



A. salinus, Crotch, 

 JB, Head truncate, or nearly so, at base. 



a. Apex of elytra pale. 



Pale brown-yellow ; abdomen and a spot on disc of each 



