ON THE SPECIES OF PLATYGASTER. 223 



rotundi ; 7"^ et sequentes latissimi, approximati, a?quales ; 10"^ 

 ovatus, 9°. longior : thorax ovatus : scutellum fere trigonum, 

 abdomen non attingens : metathorax brevissimus : abdomen 

 thorace multo longius, postice attenuatum, supra teliforme, 

 oblique quasi obcapitatum ; segmentum 2"'". ejus trientem occu- 

 pans ; 1"™. et 3""\ brevissima ; 4""". multo longius ; 5"™. 4°. 

 iongius ; 6"^™. adhuc longius, acuminatum ; segmentum 2"™. 

 ventrale subtus valde dilatatum, circulum fingens. 



Sp. 6. Plat. Osaces. Fern. Ater, antennce picets apice 

 nigra, pedes rufo-picei, alee Ihnpidce. 



Ater, nitens, laevis, glaber : oculi ocellique nigro-picei : antennse 

 . pieeae, corporis dimidio breviores ; articuli basi et subtus palli- 

 diores ; 7"^. et sequentes nigri : mesothoracis parapsidum suturae 

 vix conspicuas : abdomen thorace vix triplo longius ; segmentum 

 1"'". et metathorax scabra, obscura, pilis albis dense hirta : pedes 

 picei ; femora et tibiae basi rufa ; protibiae rufae, piceo cingulatae ; 

 tarsi pallide rufi, apice picei : alae limpidas ; discus subfuscus ; 

 squamulse picese. (Corp. long. lin. | ; alar. lin. |.) 



Var. /3. — Metafemora omnino nigra. 



September; on grass in fields; near London. Found once 

 in September on willows at Holywood, in Ireland, by Mr. 

 Hall day. 



Sp. 7. Plat, ventralis. Fem. Ater, pedes rufo-picei, alee 

 fuscce. 



Epimeces ventralis . . Weslwood, Loudon s Mag. Nat. Hist. 



Vol. VI. No. XXXV. p. 421. 



Ater, parum nitens, subtilissime punctatus, parce pubescens : oculi 

 ocellique nigro-picei : antennse nigrae, corporis dimidii vix longi- 

 tudine ; articulus 1"'. piceus, subtus rufus : mesothoracis parap- 

 sidum suturae bene determinatsR : scutellum, metathorax, abdominis 

 segmentum P™. omnino 2"™. que basi pilis albis dense hirta; hoc 

 basi quoque bifoveolatum : abdomen laeve, glabrum, thorace vix 

 duplo longius ; segmenta 3". ad 6"™. nisi ad apices subtilissime 

 punctata, vix nitentia : oviductus flavus : pedes nigro-picei ; tro- 

 chanteres, femora et tibiae basi rufa ; tarsi rufi, apice picei ; 

 propedes pallidiores, tibiis rufis piceo cingulatis : alae fuscae, basi 

 sublimpidae ; squamulse pieeae. (Corp. long. lin. ; — | ; alar, 

 lin. 3-1.) 



