422 BRACHELYTRA. — OMALIID/E. 



joint acicular : ocelli : tho. as broad as the elytra : tibia unarmed J 4 

 center, tarsi with the 3 basal joints dilated. 



dclxv. Coprophilus Body linear, narrow, flat: palpi filiform, terminal joint 

 of max. longest, conic, truncate : ocelli : tho. somewhat 4-drate : middle 

 legs approximating at base ; anter. tibia spinulose ; tarsi 5-jointed, fili- 

 form. 



dclxvi. Pseudopsis Body broad, flat: palpi max. with terminal joint slender, 

 acute ; the preceding dilated : ocelli 0: head narrow, ridged : tho. nearly cir- 

 cular, sulcated : elytra flattened, ridged : ant. filiform, thickened at the tip. 



dclxvii. Megarthrus Body broad, flattish : palpi max. with penult, joint 

 thickened, clavate ; terminal acute : ocelli : ant. with the 2 basal joints 

 robust, apical one very large, somewhat orbicular ; labrum transverse : 

 tibia bent, simple. 



dclxviii, Syntomium Body broad, flat ; edges sharply ridged : palpi max. 

 with apical joint small, obconic-acute : ocelli : ant. somewhat clavate : 

 labrum notched : tho. with lateral margins crenulate : tibia simple. 



dclxix. Proteinus Body oval, convex : palpi max. with terminal joint acicu- 

 lar : ocelli : ant. clavate ; club 3-jointed : tho. transverse, hinder angles 

 acute : elytra half the length of the abdomen : tibice simple. 



dclxx. Anthobium Body oval, flattish : palpi max. with apical joint conic, 

 longer than the preceding : labrum narrow : ant. with basal joint large : 

 ocelli 2 : tho. transverse : elytra long : tibice simple ; tarsi with the 4 basal 

 joints short, equal, dilated, 



del xx i, Deliphrum Body oval, slightly convex : palpi max. with terminal 

 joint acute, longer than the preceding : ant. with basal joint robust, apical 

 one large, ovate- acute : ocelli 2 : tho. transverse : elytra ample, elongate : 

 tibia spinulose ; poster, tarsi with the 2 basal joints elongate. 



dclxxii. Lathrim^eum Body oval, rather convex : palpi max. with terminal 

 joint acute, longer than the preceding : ant. gradually thickened to the 

 tips : ocelli 2 : tho. transverse, channelled : elytra ample, nearly covering 

 the abdomen : tibia simple ; poster, tarsi with the 2 basal joints longish. 



dclxxiii. Oeophrum Body oval, convex : palpi max. with terminal joint twke 

 as long as the preceding : ant. pilose, with basal joint robust, apical one 

 large, acuminate : ocelli 2 : tho. transverse : elytra broad : tibia unarmed ; 

 poster, tarsi with the 2 basal joints longish. 



dclxxiv. Coryphium Body oblong, flat: palpi max. with terminal joint 

 thickened, apex truncate : ant. thickened towards the apex : head wider 

 than the tho., which is slightly narrowed behind : ocelli 2: tibice unarmed; 

 tarsi filiform. 



dclxxv. Micralymma Body oblong, flat : labrum transverse, 3-lobed : ocelli 

 0: tho. obcordate : elytra very minute : abdomen long, considerably wider 

 than the thorax, margined : tibia simple ; tarsi with very long hairs. 



dclxxvi. Omalium Body oblong-ovate, flat : palpi nearly filiform, apical 

 joint acute : ant. short, pilose, thickened at the tip : ocelli 2 : tho. short, 

 obcordate, or transverse, narrowed behind : tibia slightly setose ; tarsi 

 with the 4 basal joints short, 

 dclxxvii. Acidota Body oblong-ovate, rather convex : palpi filiform, terminal 

 joint scarcely longer than the preceding, acute : ant. long, somewhat 

 filiform : ocelli 2 : labrum and mand. entire : tho. ovate, broadest behind : 

 tibia spinous ; poster, tarsi with basal joint elongate, 

 dclxxviii. Deleaster Body elongate-ovate, flattish : palpi max. filiform : 

 ocelli : tho. broadest in front : elytra broader than thorax, rectangular : 

 middle legs approximating at the base ; tibia unarmed ; tarsi 5-jointed. 

 dclxxix. Lesteva Body oblong, flattish : palpi max. with terminal joint 

 somewhat acuminate : ant. filiform: ocelli 2 : tho. obcordate: elytra long : 



