152 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXVL 



brown with a well-defined, black line running from the 4th to the 10th 

 segment, expanding at the distal border of each segment. 



Anal appendages black. 



Hab. Mesopotamia, Kashmir (?) and throughout Europe. 



Genus — Ckatilla. 



24 

 Fig. 24. — Wing neuration of 



C. metallica ( X2). 



Cratilla, Kirby (1900), Id. Ann. May. Nat. Hist. 7, 5, p. 542 (1900). 

 Forster, A^m. Mus. Hunfj. 



Head large ; eyes broadly contiguous ; forehead sloping strongly in front 

 in the male ; more rounded in the female ; suture moderately deep ; vesicle 

 rounded. 



Prothorax : lobe, rounded very small, not projecting. 



Thorax very robust. Legs robust : hind femorse with a few, thick, and 

 gradually lengthening spines ; tibial spines fine, numerous ; claw-hooks 

 ordinary. Armature of the legs of female scarcely different but somewhat 

 finer and longer. 



Wings long and moderately narrow ; reticulation close ; node closer to 

 the apex than to base in forewing ; trigone in the forewing a little external 

 to the line of trigone in the hind ; sectors of the arc in forewing moderately 

 fused, a longer fusion in the hind ; arc between the 1st and 2nd antenodal 

 nervures ; 8th nervure at the anal angle of the trigone in the hindwing ; 17 

 to 22 antenodal nervures, the last complete ; base of trigone in the hind- 

 wing at the arc or a little proximal to it ; the distal side of the trigone 

 concave ; 1 cubital nervure to all wings ; supplementary nervures to the 

 bridge generally present ; trigone in the forewing rather broad, its relation 

 to the hypertrigone rather more than a right angle ; all trigones traversed ; 

 all hypertrigones free ; sub-trigone in the forewing with 3 to 5 cells ; 4th 

 nervure with a strong costal convexity in its middle, its end and that 

 of the 6th bent strongly towards the termen ; 1 to 2 rows of cells between 5 

 and 5a ; 3 rows of cells in the discoidal field which has nearly parallel sides 

 but is slightly dilated at the termen ; a broad anal field in the hindwing 

 with regular rows of cells ; loop narrow and long, extending 2 cells beyond 

 the outer end of trigone. 



Stigma large ; membrane of medium size. 



The following specific characters, viz., the complete, final antenodal ner- 

 vure, the barely dilated discoidal field, the supplementary nervures to the 

 bridge and the position of the node will serve to identify this genus. 



