The Genus Perilestes 33 



females) ; in the hind wing at the first postnodal (62.5%| males, 87.5%* 

 females), or between the first and second postnodals (37.5% males, 12.5% 

 females). 



Rs in front wing arising at the sixth postnodal (87.5% males, 25% 

 females), at the seventh postnodal (12.5% males, 62.5% females), or at the 

 eighth postnodal (12.5% females) ; in the hind wing at the fifth postnodal 

 (12.5% males), at the sixth postnodal (87.5% males, 75% females), or 

 at the seventh postnodal (25% females). 



M2 in front wing arising at or near the seventh postnodal (100% males, 

 25% females), or at or near the eighth postnodal (75% females) ; in the 

 hind wing at or near the sixth postnodal (25% males, 12.5% females), at 

 or near the seventh postnodal (75% males, 75% females), or at or near the 

 eighth postnodal (12.5% females). 



Mia in front wing arising one cell distal to the stigma (25% males), at 

 the distal end of the stigma (75% males, 50% females), at the proximal end 

 of the stigma (37.5% females), or one cell proximal to the stigma (12.5% 

 females) ; in the hind wing one cell distal to the stigma (37.5% males), at 

 the distal end of the stigma (62.5% males, 87,5% females), or at the 

 proximal end of the stigma (12.5% females). 



Number of cells posterior to Cu, in front wing, 9 (12.5% males, 12.5% 

 females), 10 (12.5% males), 11 (37.5% males, 25% females), 12 (37.5% 

 males, 25% females), 13 (12.5% females), or 14 (25% females) ; in hind 

 wing, 7 (12.5% males), 8 (75% males, 75% females), or 9 (12.5% males, 

 25% females). 



The following living color notes were made from a male taken at Villa 

 Murtinho : Eyes black above, passing into blue which in turn shades out to 

 gray-green below; top of head metallic green. Face markings pale blue. 

 Middorsal carina narrowly light brown, dorsum dark metallic green, bor- 

 dered on either side with blue; mesepimeron brown with reddish reflec- 

 tions; metepisternum light green; metepimeron very pale blue; below 

 translucent yellow and reddish brown. Legs reddish brown, dark brown 

 at joints. Abdomen above black with white or light blue basal rings ; sides 

 brown, with blue on 2 and with blue basal rings; beneath light and dark 

 brown with some bluish on 7 and 8-10 light blue. 



Material examined : Brazil, Chapada, Matto Grosso, H. H. Smith, 2 males, 



2 females (Calvert, Od. Neotropical Region), coll. Carn. Mus. ; Villa Mur- 

 tinho, Matto Grosso, creek at Km. 310 north of town, March 30 and April 



3 and 7, 1922, creek at Km. 315 south of town and on a small tributary of 

 it, March 31 and April 1, 4 and 6, 1922, and at the next creek south of 

 the creek at Km. 315, March 31, 1922, a total of 50 males and 13 females, 

 type male and allotype female taken April 4, 1922, on a small tributary, 

 about one foot wide and a few inches deep, of the creek at Km. 315 ; Belem, 

 Para, igarpe beyond Souza car line, August 14, 1922, 1 male ; all the speci- 

 mens except those from Chapada in coll. E. B. W. 



At the creek at Km. 315 the three species of Perilestes taken at Villa 

 Murtinho were found together, but while solutus was relatively abundant 



