27i ON THE SPECIES OF PLATYGASTER. 



fuscus : spatium inter mesothoracis scutum et scutellum laeve, 

 nitens ; metathorax et abdomen laevia, nitentia, hoc thoracis lon- 

 gitudine; membrana fulva : pedes flavi ; tarsi apice fusci ; pro- 

 tarsi pallidiores : alse fuscae, latae, apice obtusse ; squamulae 

 et nervi picea. (Corp. long. lin. I ; alar. lin. §.) 



Found in August, by Mr. Haliday, in the Isle of Arran, 

 Scotland. 



ADDENDA. 

 Div°. 10 a . 



Sp. 100. Plat, cochleatus. Fern. Ater, antenna pedesque 

 fiava, ilia apice fnscce, alee limpidce. 



Ater, nitens, laevis, pubescens : caput subtilissime squameum, fere 

 glabrum : oculi nigro-picei : antennae flavae, corporis dimidio 

 paullo longiores ; articuli 7°. ad 10 um . fusci, subtus pallidiores : 

 thorax dense pubescens : mesothoracis parapsides scuto in unum 

 confusae : metathorax abdominisque segmentum l um . scabra, 

 obscura, pubescentia : abdomen laeve, glabrum : pedes flavi ; 

 ungues et pulvilli pallide fusci : alse limpidae ; squamulae piceae. 

 (Corp. long. lin. f ; alar. lin. l£.) 



Found at Holywood, in Ireland, by Mr. Haliday. 



Div°. 



Sp. 101. Plat. Hyllus. Fem. Ater, ales limpidce. 



Ater, nitens, laevis, glaber : caput posticum scitissime squameum : 

 oculi nigro-picei : antennae nigrae, clavatae, corporis dimidio 

 paullo breviores ; articuli 3°. ad 6 um . minimi angusti, 7°. ad 10 um . 

 magni lata : mesothoracis parapsides scuto in unum confusae : 

 scutellum, metathorax abdominisque segmentum l um . pilis albis 

 utrinque dense hirta : abdomen longi-ovatum, subcompressum, 

 maxime convexum, thorace duplo longius, apice acuminatum ; 

 segmentum l um . brevissimum ; 2 nm . maximum ; 3 um . et se- 

 quentia brevia : pedes nigri ; genua et tarsi nigro-picea ; pro- 

 tarsi pallidiores : alae albo-limpidae ; squamulae nigro-piceae. 

 (Corp. long. lin. f ; alar. lin. 1.) 



Found in Ireland, by Mr. Haliday. 



