20 G.EODEFHAGA. 



nearly quadrate, widest behind : elytra slightly convex and waved at the 

 tip : ant. tarsi of £ with 3 dilated joints : — colours variable, metallic' 



xlvi. Sogines Mentum with a bifid tooth : palpi robust, the terminal joint 

 obtusely truncated : head large : tho. wide, with a raised line on each side, 

 at the hinder angle : hod// depressed : ant. tarsi of $ with 3 dilated joints. 



xlvii. Omaseus Mentum with a bifid tooth : palpi cylindric, truncate : head 

 subovate : tho. somewhat quadrate, hinder angles acute, or rounded : 

 elytra rather depressed, entire : ant. tarsi of $ with 3 dilated joints. 



xlviii. Steuofus Mentum with a broad bifid tooth : palpi with terminal joint 

 ovate : ant. compressed : head porrect : tho. suborbicular : elytra ovate , 

 somewhat convex, entire : wings : ant. tarsi of $ with 3 dilated joints. 



xlix. Miscodera Mentum with a small obtuse simple tooth : palpi with ter- 

 minal joint elliptic, truncate : head small : tho. globose, very slightly narrowed 

 behind : elytra remote, ovate, convex : ant. tarsi of J with 3 dilated joints. 



1. Broscus Mentum with an obtuse simple tooth : palpi with terminal 

 joint, cylindric, truncate : head large, suborbicular : tho. very much 

 narrowed behind, somewhat heart-shaped ; body elongate, convex : ant. 

 tarsi of $ with 3 dilated joints. 



li. Stomis Mentum with a simple tooth : palpi with terminal joint ovate- 

 truncate : mand. very long, porrected, acute : tho. heart-shaped ; body 

 elongate, narrow, somewhat convex : ant. tarsi of J with 3 dilated joints. 



lii. Patrobus Mentum with a bifid tooth : palpi with terminal joint fusi- 

 form, truncate : labrum straight : tho. heart-shaped ; hinder angles with 

 a raised line : body slightly convex : ant. tarsi of <? with 2 dilated joints. 



(liii. Cophosus Mentum with a bifid tooth : palpi stout, terminal joint elon- 

 gate-ovate : ant. short : body long, cylindric, parallel : wings ; ant. tarsi 

 of $ with 3 dilated joints. ) 



liv. Pterostichus Mentum Avith a short bifid t tooth : palpi robust, terminal 

 joint elongate-ovate : ant. compressed : tho. somewhat heart-shaped, 

 truncate : body flat : ant. tarsi of o* with 3 dilated joints. 



lv. Adelosia Mentum with a bifid tooth : palpi very slender : ant. rather 

 short and stout: tho. much narrowed behind: body very flat: ant. tarsi 

 of S with 3 dilated joints. 



lvi. Platysma Mentum with a stout, bifid tooth : palpi slender, terminal 

 joint somewhat fusiform, truncate ; tho. rather quadrate, narrower than 

 the elytra, which are somewhat ovate : body slightly depressed : ivings 

 ample : ant. tarsi of $ with 3 dilated joints. 



lvii. Abax Mentum with a bifid tooth : palpi robust; terminal joint attenu- 

 ated at the base, truncate : tho. square, as wide as the elytra, the latter 

 united, and have an elevated line on the shoulder : body very much de- 

 pressed : wings : ant. tarsi of $ with 3 dilated joints : — colour black. 



lviii. Cheporus Mentum with a bifid tooth : palpi rather slender : ant. with 

 short joints, submoniliform : tho. nearly as wide as the elytra, which are 

 separate, ovate, and somewhat convex : body flat : ant. tarsi of <J with 

 3 dilated joints : — colour metallic. 



lix. Oodes Mentum with a simple tooth : palpi long, slender, terminal 

 joint cylindric, truncate ; tho. as wide as the elytra, the latter broad : 

 wings 2 : body broad, rather convex : ant. tarsi of $ with 3 dilated 

 joints. 



lx. Amara Mentum with a bifid tooth : palpi with terminal joint ovate, 

 truncate : ant. linear : tho. as wide, at base, as the elytra, the latter slightly 

 notched at the tip, and with the 2d stria Shortened : body somewhat convex, 

 elongate-ovate : ant. tarsi of $ with 3 dilated joints, 

 lxi. Bradytus Mentum with a simple tooth : palpi with terminal joint oval, 

 truncate : ant. slender : tho. nearly as wide as the elytra, narrowed be- 



