and Characters of undescribed Species. 395 



Balcha cylindrica. 



Foem. — Viridis ; caput et thorax purpureo cyaneo et cupreo 

 varia ; antennae nigrse, articulo 1° fulvo ; abdomen aeneo- 

 viride, apicem versus cupreum ; pedes nigri, tibiis pallida 

 flavis, tarsis fulvis, tibiis tarsisque anticis rufescentibus ; 

 alae cinereae, apice fuscescentes. 



Female. — Green. Head and thorax varied with purple, blue, 

 and cupreous. Antennae black ; scape tawny. Abdomen aeneous- 

 green, bright cupreous towards the tip. Legs black ; trochanters 

 and knees reddish ; tibiae pale yellow, black at the base, tawny at 

 the tips; tarsi tawny; fore-tibise and fore-tarsi reddish. Wings 

 cinereous, brownish towards the tips ; veins black. 



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



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

 Museum. 



Genus Prionopelma. 

 Prionopelma consors. 

 Fcem. — Laete viridis, cyaneo purpureoque varia ; antennae 

 nigrae ; abdomen rufum, apice cyaneo-viride ; oviductus 

 corpore duplo longior ; pedes nigri, coxis femoribusque 

 rufis; alae cinereae. 



Female. — Bright green, varied with blue and with purple. An- 

 tennae black, longer than the thorax. Abdomen bright red, 

 bluish-green at the tip, keeled beneath, not longer than the 

 thorax. Oviduct and its sheaths more than twice the length of 

 the body. Legs black ; coxae and femora red. Wings cinereous ; 

 veins black. 



Length of the body 6 lines ; of the wings 8 lines. 



New Grenada. Discovered by Mr. Stevens. 



Prionopelma purpurea. 



Fcem. — Laete cyanea, purpureo varia ; antennae aeneo-nigrse, 

 filiformes ; prothorax et metathorax breves ; scutum bene 

 determinatum, disco excavatum ; pectus viride ; abdomen 

 purpureo cupreum, subtus viride ; oviductus corpore plus 

 duplo longior ; femora intermedia apice incrassata testacea ; 

 tibiae intermediae basi testaceae ; alae anticae vitta lata nigri- 

 cante. 



Female. — -Bright blue, varied with purple. Antennae filiform, 



D D 2 



