CLASS V. INSECTA. 1 5fi 



Stirps 16. — Palpi short, filiform, the fourth joint truncate, with the 

 tooth of its notch acute : mundiblcs without teeth : thorax transverse : 

 body depressed, broad : wings two : neck none : labrum entire. 



Genus 48. LAMPRTAS. Bonelli, Panz. Echimuthus. Leach. 



Tarsi with their fourth joint simple: antenim linear: unngs short. 



Sp. 1 . Lum. cyanocephala. Intense blue-green ; first joint of the an- 

 tennae, thorax, thighs, and tibiae red ; elytra with punctured striit, 

 the spaces between the stri* punctured ; knees black. 



Carabus cyanocephalus. Linni, Sch'uuher. Echimuthus cyanocephalus. 

 Leach. 



Inhabits Europe : is very rare in Britain, where it was first discovered 

 by Dr. Leach. 



Sp.2. Lam. chlorocephala. Intense green ; the three first joints of the 

 antennas, thorax, and legs red; elytra with punctured stris, the 

 spaces between the striee very obsoletely and irregularly punctu- 

 lated ; tarsi black. 



Carabus cyanocephalus. Marsham. 



Inhabits the broom and imder the bark of trees. It is very abundant 

 occasionally in Coonibe ^^'ood, near London, and is not uncommon 

 in other parts of Britain : — it has been considered as L. cyanocephala 

 by all British collectors. 



Genus 49. LEBIA. Lutr., Bonelli, Panz., Uach. 

 Tarsi with their fourth joint bifid : anlcnme more slender at their base: 



wings long. The palpi of this genus are scarcely truncate. 

 Sp. 1. Leh. Crux-minor. 

 Carabus Crux-minor. Linn'c. 

 Inhal)its Europe : in Britain it is very rare. 



Stieps 17. — Palpi short, filiform: lip with the tooth of its notch 

 acute : mandibles dentated at their bases : palpi with their fourth 

 joints scarcely truncated: thorax \\\i\\ subequal diameters, or longer 

 than broad : body depressed, flat, narrow : icings two : labrum emar- 

 ginate. 



Genus 50. DROMIUS. Bonelli, Leach. 

 Tarsi with their fourth joint simple : head not remarkably produced 

 behind : thorax obcordate, margined fiat, a little broader than long. 

 Sp. 1. Dro. quadrimaculatus. 

 Lebia 4-maculata. Latr. 

 Inhabits beneath the bark of trees durinsi the winter months. 



Genus 51. DEMETRIAS. Bonelli. Risophilus. Leach. 

 Tarsi with the fourth joints bifid : head behind very much produced : 

 thoi-ax rather longer than broad, obcordate, margined, narrower than 

 the head, 



