272 MODERN SYSTEM. 



Subdivision 1. — Mdathorax tcith the middle prod need into a scut ell am. 

 * Abdomen with the secoiid sepnent larger them the others : palpi 

 many-jointed. 

 Genus 437. ELAMPUS. Spinoli, Tuitr., Leach. Chrysis. Fair., 

 Jurine. IlEDYCHurM. Pauz., Lepeletier. 

 Mandibles dentated : abdotncn terminated by an obtuse point ; the se- 

 cond segment larger than the others. 

 Sp. 1. El. Panzeri. 



Elampus Panzeri. Spinoli. Chrj'sis Panzeri. Fair. 

 Inhabits walls. Taken at Exeter by Dr. Leach. 



Subdivision 'i. — Metathorax with the middle not elongated into a scu- 

 tellum. 

 ** Abdomen nith the third or fourth segment larger than the others : 

 palpi two-jointed {and very small). 

 Genus 438. CHRYSIS ot'aidhors. Vespa. Geoff. 

 2Iundibles with one tooth on their internal edges : abdomen semicylin- 

 dric, eion;:ate ; the last segment al)rupt]y divided by an impression, 

 with a transverse row of impressed dots. 

 Sp. 1. Chr. ignita. {PI. 8. fig. 7.) 



lulrabits sand-banks, posts, and walls. We have several species in thi- 

 country that have been confounded witli Chr. ignita, SjC- 



Genus 430. HEDYCHRUM. Latr., Panz., Spin. Ciikvsis 

 Linn., Fabr., lUig., Lamarck. 

 Mandibles bidentate on their internal edge : abdomen semicircular, with 



the extremity rounded ; all the segments united. 

 Sp. 1. Hcd. anratum. 



Chrysis aurata. Fabr. Hedychrura auratuni. Leach. 

 Iiiliabits sand-banks. 



Section IT. ACVLFATA. 

 Oviduct none : sting or aculeus in the females having a communica- 

 tion with poisonous glands ; abdomen attached to the tliorax in all by 

 a part only of its transverse diameter. 



Division I. — Hinder feet not pollinigerons; their tarsi zcith the first joint 

 ci/lindric, not much larger than the others, nor much compressed. 



Larv.e omnivorous. 



Subdivision 1. — Ocelli or stemmata not distinct. Wings ojlen wanting in 

 the females and neuters. 



Fam. IX. FoRMicADiE. Leach. 

 FoRMiCARix. Latreille. 

 Abdomen with a peduncle abruptly formed, witli a scale on two knots : 



