in the Collection of W. W. Saunders, Esq. 325 



border, and by a little less tlian its length from the proebracliial 

 transverse vein, wliich is oblique. 



Length of the body 5 lines; of the wings 10 lines. 

 Mexico. 



Genus Charax. 

 Corpus longum, gracile. Antennarum articulus S"* longus, 

 lanceolatus ; arista simj)lex, gracilis. Thorax longissimus, 

 lateribus cornpressis. Abdomen valde conipressum, thorace 

 brevius et angustius. Alae angustae, venis subrectis. 

 Foem. — Abdomen apice attenuatuni et acuminatum. 



Body long, slender. Epistoma prominent. Antennae with the 

 third joint long, lanceolate, nearly reaching the epistoma ; arista 

 long, slender, nearly twice the length of the third joint. Thorax 

 very long; sides compressed. Abdomen much compressed, nar- 

 rower and shorter than the thorax. Lej^s moderately lonji and 

 stout. Wings narrow ; veins almost straight. 



Female. — Abdomen attenuated and acuminated at the tip. 



Charax plarudorsum. 



Viridescente nigra, thorace vittis tribus sub-cinereis, abdomine 

 viridi-metallico, antennis pedibusque nigris, alis sub-cinereis 

 vitt4 tenui costali nigra, vena discali transversa recta, vena, 

 prsebrachiali transversa brevissima. 



Greenish black: thorax with three greyish stripes; abdomen 

 metallic green ; antennas and legs black ; wings greyish, with a 

 slender black stripe along the costa from one-third of the length 

 to the end of the pra^brachial vein, the latter is slightly curved 

 upward towards the tip ; discal transverse vein straight, upright, 

 parted by less than one-ihird of its length from the border, and 

 by nearly twice its length from the praebrachial transverse ; the 

 latter is extremely short, the veins which it connects being almost 

 contiguous between it and the base of the wing. 



Length of the body 4 lines; of the wings 12 lines. 



Burmah. 



Genus Oktalis, Fallen. 

 Ortalts leucomclas. 

 Nigro-viridis, antennis pedibusque nigris, tarsis piceis, alis albis 

 nigro-quadrifasciatis, fascia Id basali, 2a 3aque postice dila- 

 tatis, 4d costali ; halteribus albis. 

 Blackish-green : antennae and legs black ; tarsi piceous ; wings 

 white, with four black bands ; first band near the base ; second 



