32 Mr. Walker on the British Chalcidites. 



Mas. M. Dirci proxima : corpuscrassum, breve, convexum, nitens, scitis- 

 sime squameum, parce hirtum: caput transversum, breve, tborace latius; ver- 

 tex latus; frons abnipte 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 10"™ 

 curtantes ; clava fusiformis, articulo lO*' plus duplo longior : tborax brevi- 

 ovatus, altus : prothorax brevissimus : mesothoracis scutum longitudine 

 multo latius ; parapsidum suturae non bene determinatae ; paraptera et epi- 

 mera magna; scutellum breviovatum, prominens : metathorax obconicus, 

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

 brevius et angustius ; segmentum l"i" magnum ; 2"i" 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, antenna 

 nigrcB, pedes picei, femora viridia, tarsi Jlavi, alcB limpidce. 



-^neo-viridis : caput cyaneo-viride : oculi et ocelli rufi : antennje nigrge ; 

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

 pedes virides ; trochanteres picei ; genua fulva ; tibiae piceae ; protarsi picei ; 

 meso- et metatarsi flavi, apice fusci : alae limpidas ; squamulae picese ; nervi 

 proalis picei, metalis fulvi. (Corp. long. lin. 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 : antennas 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 

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

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

 laeve, thorace brevius et multo angustius : pedes simplices, subaequales : alas 

 mediocres ; nervus humeralis ulnari fere duplo longior, radialis ulnari paullo 

 brevior, cubitali longior ; stigma minutum. 



Sp. 1. Gast. Acontes, Mas. ^neo viridis, abdomen cupreo-purpureumy 

 antenncB fulvcB, pedes flavi, alee limpidce. 



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 ; squamulae fulvae ; 

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



Found by Dr. Greville near Edinburgh. 



[To be continued.] 



