of the Famih/ Chaleidas. 183 



Female. Petiole shorter than that of the male. Abdomen elongatt'- 

 oval. Length of the body 3 lines ; of the wings 5 lines. 



Ega ; Tapayos. Discovered by Mr. Bates. In the British Museum. 



Chalcis compacta. 3Ias. Nigra, brevis, crassa, glabra, nitens ; caput 

 et thorax rude pimctata ; antennaj breves, robustfe ; thorax flavo quadri- 

 punctatus ; scutellum bidentatum ; metathorax scaber ; petiolus brevis- 

 simus J abdomen brevi-ellipticum, gibbosum, lateribus apicem versus 

 cinereo-pubescentibus ; pedes flavi, coxis femoribusque nigris, his apice 

 flavis, tibiis anterioribus nigro sti'igatis, tibiis posticis basi intusque ni- 

 gris ; alse obscm-e cinere«. 



Male. Black, short, thick, smooth, shining. Head and thorax 

 roughly punctured. Antennse short, stout. Thorax with a yellow 

 callus at the base of each fore wing, and with a yellow dot on each 

 of the paraptera; scutellum bidentate; metathorax hirgely scabrous. 

 Petiole extremely short. Abdomen short, elliptical, somewhat gibbous, 

 much shorter and nan'ower thf i the thorax, with cinereous down on 

 each side towards the tip. Legs yellow ; coxae and femora black, the 

 latter with yellow tips ; hind femora much iucrassated, with many very 

 minute teeth ; anterior tibiae with a black streak on each side ; hind 

 tibiffi black at the base and on the inner side. Wings dark cinereous ; 

 veins black ; ulna less than half the length of the humerus ; radius 

 hardly one-third of the length of the ulna ; cubitus veiy short. I^ength 

 of the body 3 lines ; of the wings 7 lines. 



Orizaba, Mexico. Discovered by M. Salle. In the British Museum. 



Chalcis vicaria. Mas. Nigra, glabra, nitens ; caput et thorax rude 

 punctata ; antennae filiformes ; thorax callis duobus lateralibus flavis ; 

 scutellum inenne, apice ciuereo-pubescens ; petiolus brevissimus ; 

 abdomen longi-ovatum, apicem versus utrinque cinereo-tomentosum ; 

 pedes flavi, coxis femoribusque nigris, his apice flavis, tibiis subtus 

 nigris; alaj cinereae. 



Male. Black, smooth, shining. Head and thorax roughly punctured. 

 Head deeply excavated in fi-ont for the reception of the scape of the 

 filiform antenna}. Thorax \d\\\ a yellow callus at the base of each 

 fore wing ; scutellum unarmed, with cinereous down at the tip. Petiole 

 extremely short. Abdomen elongate-oval, with cinereous down on 

 each side towards the tip, a little narrower but not longer than the 

 thorax. Legs yellow ; coxae and femora black, the latter with yellow 

 tips ; hind femora much incrassated, with many very minute teeth ; 

 tibiae mostly blaclt beneath. Wings cinereous ; veins black ; ulna 

 about lialf the length of the humerus ; radius less than half tlie length 

 of the ulna; cubitus very short. Length of the body 3i line.s ; of the 

 wings 7 lines. 



Ega. Discovered by Mr. Batt\'^. In the British Muspum. 



Chalcls rtyxata. Fum. Nigi-a, glabra, nitens ; caput et thorax scabra ; 

 caput breve, postice argeuteo-pubescens, facie perobliqua ; antennae 



o2 



