and Characters of undescribed Species. 363 



Female. — Black, rather slender. Head and thorax scabrous. 

 Head deeply impressed ; face very oblique. Antennae filiform, 

 rather slender, not longer than the thorax. Thorax with black 

 calli at the base of the fore-wings; scutellum prominent, unarmed- 

 Petiole very short. Abdomen red towards the base, very much 

 longer than the thorax, elongate-oval with the exception of the 

 stylate part ; the latter compressed, of nearly equal depth, nearly 

 as long as the preceding part. Hind-femora much incrassated, 

 armed beneath with several teeth of moderate size. Tarsi red. 

 Wings brownish-cinereous ; veins black ; ulna full half the length 

 of the humerus; radius and cubitus very short. 



Length of the body 4 lines ; of the wings 6 lines. 



Aru, Batchian, and Kaisan. Discovered by Mr. Wallace. In 

 the collection of Mr. Saunders. 



Halticella minator. 

 Mas. — Nigra, sat gracilis ; caput et thorax sub-punctata ; caput 

 valde impressum, facie perobliqua ; antennas robustse, fili- 

 formes, thorace non breviores ; scutellum bidentatum ; meta- 

 thorax scaber ; abdomen ellipticum, thorace brevius ; femora 

 postica noii dentata ; alse cinereae. 



Male, — Black, rather slender. Head and thorax minutely 

 punctured. Head much impressed in front ; face very oblique. 

 Antennae stout, linear, inserted by the mouth, full as long as the 

 thorax. Thorax with the usual structure ; scutellum bidentate ; 

 metathorax scabrous. Petiole extremely short. Abdomen ellip- 

 tical, slightly convex, shorter and a little narrower than the thorax. 

 Legs wholly black ; hind-femora incrassated, unarmed. Wings 

 cinereous ; veins black ; ulna about one-fifth of the length of the 

 humerus ; radius and cubitus extremely short. 



Length of the body 2g lines; of the wings 4 lines. 



Port Natal. Discovered by M. Gueinzius. In the British 

 Museum. 



Halticella versator. 



Fcem. — Nigra, gracilis, subtus rufescens ; caput et thorax 

 scabrosa ; facies perobliqua ; antennae graciles, filiformes, 

 thorace non longiores ; thorax rufo varius, scutello inermi ; 

 petiolus brevissimus ; abdomen thorace pauUo longius, basi 

 fusiforme, apice rufum lanceolatum ; pedes rufi, feraoribus 

 nigris rufo variis, femoribus posticis incrassatis dentatis ; alae 

 cinerese. 



Female. — Black, slender and but slightly convex with regard to 



B B 2 



