SYNOPSIS 
OF THE 
GENERA OF BRITISH INSECTS.* 
Citass. HEXAPOD METAMORPHOTIC INSECTS. 
Subclass I. Mouth with Jaws. 
OrpER I. COLEOPTERA Aristotle. (ELEuTHERATA Fabr., ELYTRO- 
PTERA Clairv.) 
Sect. I. Prnramera Latreille. 
Tribe 1. Chilopodomorpha MacLeay. 
Subtribe 1. Adephaga Clairv. 
Stirps 1. Geodephaga MacLeay. 
Family 1. CICINDELIDZ Kirby. (Cicindela Linn.) 
CICINDELA Linn, Sc. Burrestis p. Geoffroy. 6 sp.  Cic. campestris Linn. 
Anterior tarsi $ with the three basal joints elongated and dilated; elytra oblong, 
ovate, depressed ; thorax subquadrate. Curt. Brit. Entomol. pl. 1. 
Family 2. CARABIDZ Leach. (Carabus Linn.) 
Subfamily 1. Brachinides Westw. (Brachinide MacLeay, 
Truncatipennes Latr.) 
DRYPTA Fabr. Carasus p. Marsh. 1sp. D. emarginata Fabr. Curt. 454. 
Basal joint of antenne very long; thorax long, cylindric ; penultimate joint 
of tarsi bilobed ; palpi with the last joint securiform. 
POLYSTICHUS Bonelli. Gateritra p. Fabr. 1sp. P. vittatus Brullé. Curt.223. 
Depressed; head triangular ; thorax subcordate ; palpi long ; tarsisimple; men- 
tum-tooth triangular. 
ODACANTHA Payk. Arretazus p. Linn. Isp. Attel. melanurus Linn. Curt.227. 
Thorax long, cylindric; tarsi simple; basal joint of antenne short ; head 
broader than the thorax. 
DEMETRIAS Bonelli. Ruyzorninus Leach. 4 sp.  Carab. atricapillus Linn. 
Depressed ; thorax cordate; penultimate joint of tarsi bilobed ; second joint of 
antenne short; claws simple. Curt. 110. 
DROMIUS Bonelli. Demerrias pe Panz 19 sp. Carab. 4-maculatus Linn. 
Depressed ; thorax subcordate; tarsi simple; second joint of antenne as long as 
third; last joint of max. palpi truncate. Curt. 231. 

* Throughout this Synopsis, the first line of each genus comprises the following 
particulars :— 1. Name of the genus; 2. name of its founder; 3. synonyme of the 
genus; 4. author of the synonymical genus; 5. number of British species; 6. typi- 
cal species; 7. reference to the best figure; this last item being occasionally, for 
want of space, placed after the description of the genus, 
B 
