and Characters of undescribed Species. 361 



exception of a protuberance behind the scutelhnxi. Petiole ex- 

 tremely short. Abdomen elliptical, not longer than the thorax. 

 Hind-legs with the usual structure; femora much incrassated, 

 armed beneath with several small teeth. Wings cinereous, blackish- 

 brown for half the length from the base ; veins black ; ulna full 

 half the length of the humerus ; radius and cubitus very short. 



Length of the body 5 lines ; of the wings 8 lines. 



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



Halticella hasalis. 

 Fcem. — Nigra ; caput et thorax scabrosa ; caput impressum, 

 facie obliqua ; antennse apices versus sub-crassiores ; scutel- 

 lum inerme ; metathorax bidentatus ; petiolus brevissimusj 

 abdomen thorace multo longius, basi rufescens longi-ovatum, 

 apice stylatum; tarsi rufi; femora postica incrassata, sex- 

 dentata ; alse cinerese. 

 Female. — Black. Head and thorax largely scabrous. Front 

 impressed as usual ; face oblique. Antennae a little thicker 

 towards the tips. Thorax with the usual structure. Petiole very 

 short. Abdomen much longer than the thorax ; basal part elon- 

 gate-oval, dark red towards the petiole, with hoary pubescence on 

 the hind borders of the segments on each side ; apical part com- 

 pressed, stylate, hardly deeper at the tip, much shorter than the 

 basal part. Tarsi red. Hind-legs of the usual form ; hind- 

 femora incrassated, armed beneath with six moderate-sized teeth. 

 Wings cinereous ; veins black ; ulna less than half the length of 

 the humerus ; radius and cubitus very short. 



Length of the body 4 — 5 lines ; of the wings 6 — 8 lines. 

 Para. Discovered by Mr. Bates. In the British Museum. 



Halticella liberaior. 

 Fcem. — Nigra ; caput et thorax subtilissime punctata ; caput 

 valde impressum, facie perobliqua ; antennae graciles, filifor- 

 mes, thorace pauUo longiores; scutellumbispinosum; petiolus 

 brevissimus ; abdomen thorace vix longius, basi ovatum, 

 apice stylatum ; femora postica valde incrassata, non dentata ; 

 alae anticse fasciis duabus abbreviatis nigricantibus. 



Female. — Black. Head and thorax very minutely punctured. 

 Head deeply impressed in front ; face very oblique. Antennae 

 slender, filiform, seated near the mouth, a little longer than the 

 thorax. Thorax of the usual structure ; scutellum armed with 

 two short ascending spines. Petiole extremely short. Abdomen 



VOL. I. THIRD SERIES, PART IV. —NOV. 1862. B B 



