Scudder.] 196 



apical half of either side, united at the apex ; 4 black, broadly brownish- 

 yellow at base, with an abbreviated lateral stripe of brownish-yellow 

 beyond ; 5-8 black with a saddle-shaped brownish-yellow spot ante- 

 riorly ; 9-10 black ; upper appendages clear yellow, lower ones tinged 

 with fuscous ; abdomen beneath prulnose ; genital hamule testaceous, 

 inner branch black, within cylindrical, unguiculated, outer branch 

 laminate rounded, but slightly docked at the tip, extending half way to 

 apex of genital lobe; genital lobe oval, black, hairy; 12-13 antecubi- 

 tals; 10 postcubitals; three rows of discoidal areolets. 



Length 1,66 inches; alar expanse 2.48 inches; pterostigma .125 

 inch. 1 6. 



Diplax ochracea (Burm.) Hagen. 



? . Vertex and upper part of front fuscous (in life pale reddish- 

 brown with a greenish tinge), or dull luteous (teneral) ; face yeUowish- 

 brown (in life pale green) or pale (teneral) ; labrum edged with reddish- 

 brown ; dorsum of thorax brown mottled with dull yellow (in life dull 

 green), or yellow marked with brown (teneral) ; pleura of thorax dull 

 greenish-yellow, paler below, the sutures brown with a dark reddish- 

 brown spot at the base of the anterior and middle legs (in life dull 

 green with dark reddish-brown markings), or pale lemon-yellow with 

 fiiscous markings (teneral) ; legs black, fore femora, except the outside, 

 the other femora towards their base, pale luteous; wings hyaline, veins 

 black, subinfuscated at the extreme tip, the base flavescent as far as 

 half way to the triangle or less on the anterior wings, and to the tri- 

 angle on posterior pair ; on one specimen it Is almost wanting on the 

 anterior wings and on the posterior wings extends only as far as is usual 

 on the anterior pair; pterostigma fuscous, the bordering nervures very 

 black, in teneral stage paler ; membranule black ; abdominal segments 

 1-3 testaceous bordered posteriorly with fuscous (in life dull greenish- 

 yellow bordered with very dark brown), or pale lemon-yellow bor- 

 dered with brownish-fuscous (teneral) ; remaining segments blackish 

 brown, each side of segments 4-7 with a broad broAvnish-yellow band 

 directed backwards and upwards, nearly meeting one another poste- 

 riorly (colors of the living specimens like the base of the abdomen), or 

 in teneral stage the same, with the colors pale yellow and brownish- 

 black ; terminal segment and appendages fuscous or pale yellowish (ten- 

 eral) ; 10-11 antecubitals ; 7-8 postcubitals; three rows of discoidal 

 areolets, then two, then three again. 



Length 1.30-1.34 inches; alar expanse 2.20-2.26 inches; ptero- 

 stigma .13 inch. 4 ?, 3 teneral 9. 



The posterior lobe of the prothorax is large and quadrangular, 

 hardly bifid. 



