176 STERNOXI. ELATERID7E. 



nearly glabrous : tho. somewhat 4-drate, convex in the middle : legs 

 slender. 



cclxxviii. Cryptohypnus Ant. slender, 2d and 3d joints very small, apical 

 joint short,^obliquely truncate : body broad, elongate-ovate, glabrous : 

 tho. transverse, convex : legs slender. 



(cclxxix. Drasterius Ant. short, 2d joint very small, somewhat globose, 

 3d slightly elongate : body ovate : palpi acuminate : forehead with a 

 distinct ridge : hinder trochanters suddenly dilated within : tibia with long 

 cilia? externally.) 



cclxxx. Melanotus Ant. serrated, 2d and 3d joints short, nodose, terminal 

 one long, slender, obtuse : body narrowed behind : tho. with hinder angles 

 large, acute : elytra long : tibiae short ; tarsi long, slender ; claws 

 toothed. 



cclxxxi. Ludius Ant. compressed, strongly serrated, 2d and 3d joints very 

 small, somewhat globose, terminal abruptly narrowed at the tip : palpi 

 short, rather slender : body convex : tho. narrowed in front, hinder angles 

 large, acute : hinder trochanters spined within. 



cclxxxii. Ctenicerus Ant. serrated, of $ often strongly pectinated, 2d 

 joint minute, somewhat globose, terminal one elongate : palpi rather 

 long : labrum transverse : tho. longer than broad, flattish : body (usually 

 metallic) slightly narrowed behind : hinder trochanters narrow, lanceolate. 



cclxxxiii. Selatosomus Ant. short, serrated, 2d joint very short, somewhat 

 globose, 3d as large as the 4th, terminal with the apex conical : body 

 broad, glabrous (of brilliant colours), slightly convex : tho. gibbous : tarsi 

 simple. 



cclxxxiv. Cardiophorus Ant. approximating, 2d joint very short, somewhat 

 clavate, 3d as long as the 4th, obconic, terminal slender, ovate-acute : palpi 

 short: body longish, slightly pubescent : tho. immarginate, very gibbous; 

 scutel. heart-shaped : hinder thighs stoutest ; tarsi slender, simple. 



cclxxxv. Aplotarsus Ant. slightly serrated, 2d joint very minute, 3d rather 

 longer and more slender than the 4th : palpi nearly filiform : body slightly 

 pilose : tho. elongate, slightly convex : tarsi slender, simple, 4th joint 

 smallest ; claws simple. 



cclxxxvi. Ctentonychus Ant. simple, not compressed,"2d joint short, slender, 

 somewhat cylindrie, 3d and following rather clavate : body clothed with 

 long hairs : tarsi with the 2 basal joints dilated, 3d bilobed, spongy 

 beneath, 4th minute ; claws toothed. 



cclxxxvii. Athous Ant. long, compressed, serrated, 2d joint short, or 

 slightly elongate : palpi short, slender : labrum narrow, transverse : body 

 somewhat linear, pubescent : forehead with a distinct ridge : tarsi with 

 basal joint as long as the 2 following united, 3d dilated spongy ; claivs 

 simple. . 



cclxxxviii. Campylus Ant. long, slender, serrated, 2d joint shortish, some- 

 what globose : head exserted, frontal margin elevated : eyes very large, 

 prominent : body linear : tho. with sides dilated in front, and contracted 

 near the hinder angles, which are somewhat bent outwardly : tarsi and 

 claws simple. 



268 Adrastus Eschscholtz. 



1386 limbatus Fab. E. ii. 242. — Herbst. C. x. pi. 165. f. 11.— Ste. M. 

 iii. 248. — Black, shining ; pubescent ; punctured : thorax very glossy, 

 the anterior margin, and sometimes hinder angles, testaceous ; scutel lum 

 black ; elytra deeply punctate-striate, interstices faintly punctured, testa- 

 ceous, suture and outer margin dusky black ; legs and antenna? pale dull 



