224 ON THE SPECIES OF PLATYGASTER. 



Far. ft. — Antennae articulis 2°. ad 6 um . piceis : protibiae subtus 

 rufae. 



Far. y. — Antennae articulo 1°. omnino piceo. 



July ; on grass in fields ; near London. 



5. Fern. — Antennae clavatse ; articulus 2 US . longi-cyathiformis ; 

 sequentes ad G un1 . minimi, 3 US . et 4 US lineares, 5 US . et 6 US . rotundi; 

 7 US . et sequentes latissimi, approximati, aequales; 10 us . ovatus, 

 9°. longior : thorax ovatus : mesothoracis parapsidum suturse 

 conspicuae ; scutellum fere trigonum, abdomen non attingens : 

 metathorax brevissimus : abdomen teliforme, thorace multo 

 longius, postice attenuatum ; segmentum l um . brevissimum ; 

 2 um . longi-ovatum, abdominis triente paullo brevius ; sequentia 

 angusta, longa ; 4 um . 3°. multo longius ; 5 um . adhue longius ; 

 6 um . 4°. brevius, acuminatum. 



Sp. 8. Plat. Craterus. Fern. Ater, antenna nigro-picece , 

 pedes piceo ruji, femora nigra, alee limpidce. 



Ater, subnitidus, Isevis, fere glaber : oculi ocellique nigro-picei : 

 antennae nigro-piceae, corporis dimidio breviores ; articulus l us . 

 basi 2 US . que apice pallidiores : metathorax abdominisque seg- 

 mentum l um . scabra, obscura, pilosa ; 2 um . nitidum, glabrum ; 

 sequentia subtilissime punctata, obscura ; pedes nigri ; femora 

 basi et trochanteres picea ; tibiae rufae, apice supra pallide piceae ; 

 metatibae apice nigro-piceae; tarsi pallide rufi, apice picei : alse 

 limpidse, albae ; squamulae picea?. (Corp. long. lin. |- ; alar. lin. 1.) 



Far. ft. — Metatarsi supra piceo-rufi. 

 Far. y. — Metatibiae apice pallide piceae. 

 Far. h. — Antennae articulo 1°. obscure rufo. 

 July ; on grass in fields ; near London. 



G. Mas. — Antennas filiformes ; articulus 2 US . longi-cyathiformis ; 

 3 US . minutus ; 4 US . magnus, 3°. approximatus ; 5 US . paullo minor ; 

 6 US . mediocris ; sequentes latiores, aequales ; 10 us . acuminatus, 

 9°. longior : thorax ovatus : scutellum abdomen non attingens : 

 abdomen longi-ovatum. 



Fern. — Antennas clavatae; articuli 3 US . ct 4 US . parvi, angusti, lineares ; 

 5 US . et 6 US . cyathiformes, breviores, non latiores ; 7 US . et sequentes 

 multo latiores, subaequales ; 10 us . 9°. paullo longior: abdomen 

 seorsum convexum et acutum, thorace dimidio longius. 



