32 Mr. Walker on the British Chalcidites. 



Mas. M. Dirci proxima : corpus crassum, breve, convexiim, nitens, scitis- 

 sime squameum, parce hirtiim: caput transversum, breve, thorace latius; ver- 

 tex latus; frons abrupte declivis, vix impressa: oculi mediocres, non extantes: 

 ocelli approxiinati : antennae validse, extrorsum crassiores, thorace paullo 

 breviores ; articulus 1"* gracilis, subarcuatus, fere linearis ; 2"* longicya- 

 thiformis; 3"'et4" minimi; 5"* et sequentes approximati, usque ad lO""* 

 curtantes ; clava fusiformis, articulo 10° plus duplo longior: thorax brevi- 

 ovatus, altus : prothorax brevissimus : mesothoracis scutum longitudine 

 multo latius ; parapsidum suturse non bene determinatas ; paraptera et epi- 

 mera magna; scutellum breviovatum, prominens : metathorax obconicus, 

 declivis : petiolus brevis : abdomen longiovatum, convexum, breve, thorace 

 brevius et angustius ; segmentum 1""^ magnum; 2"*" breve; 3""^ longius ; 

 4"™ adhuc longius ; 5"™ et 6"™ minima : pedes graciles, simplices, sub- 

 sequales ; mesofemora subtus unisetigera : alse mediocres ; nervus humeralis 

 ulnari plus duplo longior, cubitalis ulnari vix longior radiali multo brevior : 

 stigma parvum, ramulum emittens perbrevem. 



Sp. 3. Misc. Sopolis, Mas. JEneo-viridis, caput cyaneo-viride, antenn<B 

 nigrcB, pedes picei, femora viridia, tarsi flavi, alee limpidce. 



-^neo-viridis : caput cyaneo-viride : oculi et ocelli rufi : antennce nigrae ; 

 articuli 1"* et 2"* virides, ille basi fulvus: abdomen viride, aeneo-varium : 

 pedes virides ; trochan teres picei ; genua fulva ; tibiae picese ; protarsi picei ; 

 meso- et metatarsi flavi, apice fusci : alae limpidae ; squamulae piceae ; nervi 

 proalis picei, metalis fulvi. (Corp. long. lin. 1 1 ; alar. lin. 2^.) 



Found near Edinburgh, by Dr. Greville. 



Genus Gastrancistrus, Westwood. 



Mas. G. compresso proxima : corpus breve, convexum, nitens, scitissime 

 squameum, parce hirtum ; caput transversum, breve, thorace latius; vertex 

 latus; frons abrupte declivis : oculi mediocres, non extantes : antennae gra- 

 ciles, submoniliformes, corporis dimidio multo longiores ; articulus 1"* gra- 

 cilis, sublinearis ; 2"* brevis ; 3"' et 4"^ minimi ; 5"* et sequentes discreti, 

 usque ad 10"*" curtantes ; clava fusiformis, acuminata, articulo 10° plus du- 

 plo longior : thorax ovatus, crassus : prothorax brevissimus, supra vix con- 

 spicuus : mesothoracis scutum longitudine latius ; parapsidum suturae bene 

 determinatae : scutellum magnum, subovatum : metathorax transversus, bre- 

 vis : petiolus brevissimus : abdomen lineare, depressum, subcompressum, 

 laeve, thorace brevius et multo angustius : pedes simplices, sub^equales : alae 

 medi ;cres ; nervus humeralis ulnari fere duplo longior, radialis ulnari paullo 

 brevior, cubitali longior ; stigma minutum. 



Sp. 1. Gast. Acontes, Mas. jEneo-viridis, abdomen cupreo-piirpureumf 



antenncs fulvee, pedes flavi, ales limpidcB. 

 Viridis, aeneo-varius : oculi et ocelli rufi: antennae fulvae; articuli 1"® 

 apice 2"*que basi obscuriores : abdomen cupreo-purpureum, basi viride : 

 pedes flavi ; coxae virides ; tarsi apice fusci : alae limpidae ; squamulag fulvae ; 

 nervi proalis fulvi, metalis flavi. (Corp. long. lin. f ; alar. lin. ^.) 

 Found by Dr. Greville near Edinburgh. 



[To be continued.] 



