1776 CATAI OGUE OF 



Genus TYANA. 



Mas et fcem. Corpus Iseve, sat rob u stum. Proboscis gra- 

 cilis. Palpi graciles, pubescentes, porrecti aut subascendentes ; 

 articulus 3us longi-conicus, 2i dimidio brevior. Antenna? Ionise, 

 glabrae, gracillima?. Thoracis tegula? quatuor breves. Abdomen 

 alas posticas vix superans. Pedes laeves, graciles; calcaria parva. 

 Ala) antica? lata?, acuta, costa subconvexa, margine exteriore recto 

 perparum obliquo. 



Male and female. Body smooth, moderately stout. Proboscis 

 slender. Palpi slender, pubescent, porreet or slightly ascending, 

 nearly as long as the breadth of the head: third joint elongate- 

 conical, less than half the length of the second. Antenme long, 

 smooth, very slender. Thorax with four short tegula-. Abdomen 

 hardly extending beyond the hind wing*. Legl smooth, slender; 

 hind tibia? with lour short spnm. Wii gi broad. Fore m ings acute ; 

 eosta slightly convex : exterior border straight, very slightly oblique ; 

 first , second and third inierior veins approximate at the base; fourth 

 moderately remote. 



Tyana calmchlora. 

 Lute viridis. tubtiU alba ; cajmt a/Linn, rufo fasciatum ; palpi rufo 

 bifasciati ; antenna rufesctntet ,• thorax te§uiii *iri<jisque 

 diiabiis albis rvjb margimitu ■, abdomen album i oa ontica 

 Jlavo strigata, litura basalt alba rufo marginala, lituris duabus 

 fasciagve marginali cuj>rt o-rufis, casta rufescente^ maryine in- 

 teriore Jlavo ; }>os/ic(r alba. 



Male and finale. Vivid green, white beneath. Head white, 

 with a red band between the antenna'. Pi .'.id palpi white, 



the latter with two red bands. Antennae reddish. Thorax with 

 white red-bordered leguta and with a white red-l ordered streak on 

 each side hind ward. Abdomen and bind winps white. Legs red, 

 white beneath. Fore wings with numerous transverse little yellow 

 streaks; a white basal red-bordered mark : two cupreous-red marks, 

 which vary much in size; one in the costa at one-third of the 

 length ; the other in the disk, much larger than the tir>t ; a euj : 

 red marginal band, which is undulating and bordered with yellow 

 on its inner side, and contains some white points ou the lore part of 

 the exterior border ; costa reddish ; interior border yellow. Length 

 of the body 7 lines ; of the wings 19 lines. 



«, b. Darjeeling. Presented by \V. S. Atkinson, Esq. 



