156 
MODERN SYSTEM. 
Sp. 1. Dent, atrkapilla. Body pale yellowish : head black : mouth and 
thorax reddish: elytra very obsoletely striated: wings elongated; 
epigastrium and base of the belly l'uscous. 
Lebia atricapilla. Lair. 
Inhabits beneath the bark of trees. 
Sp. 2. Dent, monostigma. Body pale yellowish : head black : thorax 
reddish : elytra obsoletely striated, towards their tips with one fus- 
cous spot : wings abbreviated. 
Kisophilus monostigma. Leach, 
Inhabits Europe amongst the roots of plants. It is very common near 
Swansea. 
Genus 52. ODACANTIIA. Fair., Latr., Bond., Claire., Panz., 
Pleach, Gyll: 
Tarsi with their fourth joint simple: head behind much produced: 
thorax oblong, subcylindric, narrower than the head. 
Sp. 1. Odacantha melmura. 
Attelabus uielauurus. Lirtne. 
Inhabits marshes in Norfolk and near Swansea. 
Stirps IS.— Palpi very much elongated, the fourth joint with its apex 
dilated: lip with the tooth of its notch bifid : labrum trilobate, the 
middle lobe largest: mandibles very prominent: (maxilla: with avery 
thin perpendicular claw : tarsi with the fourth joint bifid : neck di- 
stinct.) 
Genus 53. DRYI'TA. Latr., Fabr., Bond., Panz., Leach. Caea- 
bus. liossi, Marsh. Cicindela. Oliv. 
Thorax cylindric: head narrowed or lengthened behind: mandibles 
much elongated and very prominent: exterior maxillarv and labial 
palpi terminated by a large nearly obconic joint, (maxillary ones 
much lengthened :) lip elongate linear, with two auricles. 
Sp-1- Dryp. emarginata. Blue, punctate, villose : mouth, antennae and 
feet red: thorax with an impressed longitudinal line; elytra with 
punctured stiia 1 , apex of the first and middle of the third joint ol 
the antennas brown. J 
Drypta emarginata. Fabr. Lair. Gen. Crust, et Insect, i. 197. tab. 7. 
Jig. 3. Leach, Edin. Emcycl. ix. 81. Carabus chrysostomus. Mar shunt. 
Inhabits Europe. In Britain it is rare ; but has been taken near Hast- 
ings and Faversham. 
Fam. III. Dyticidje. I. each, 
Hydrocanthari. Latreille. 
Hl'Ticus. Geoffroy. 
Dytiscus. Linne, &c. 
All the Dyticidse inhabit the water, both in the sfe(e of lary® 
