white, the apical rosy area small and very pale, the spots minute in the Forewimj 

 mostly obliterated in the Hindwing. Female. Forewing white. Hindwing sometimes 

 pure white, sometimes faintly tinged with rosy, all the markings pale and small. 



Expanse, $ $ l-j^ to I/q- inches. 



Habitat.— Sind. 



Distribution. — We took the Dry-season form at Karachi in October and 

 November, and what we call the Wet-season form, for the want of a better expression, 

 in nearly every other month of the year. We have it also from Sukkur. 



Genus COLOTIS. 



Colotis, Hubner, Verz. bek. Schmett. p. 97 (1816). Kirby in Allen's Nat. Hist. Lep. ii. p. 198 (1896) 



Bingham (part), Fauna of Brit. India, Butt. ii. p. 259 (1907). 

 Mancipium, Horsfiekl, Cat. Lep. E.I.C. 1829, p. 141. 

 Idmais, Boisduval (part), Spec. Gen. Lep. i. p. 584 (1836). Doubleday, Gen. Diurnal, Lep. p. 5 



(1847). 



Wings small. Forewing a little elongated, more or less triangular, costal margin 

 straighter with the apex more acuminate than in Callosune ; costal vein extending to 

 half the margin, neuration as in Callosune, fore tarsi short in female ; general 

 coloration and pattern white, or salmon-pink with broad outer marginal black borders 

 to both wings ; sex marks slight, variable, sometimes not distinguishable. 



Type, C. Amata, Fabr., from Africa. 



Note. — Cyjyrsea, Dynamine, Modestus, Protradus and Phisadia belong to the 

 salmon -pink group, and Vestalis and the others to the white groups, all the species 

 of the genus having black borders to both wings. Watson and Bingham have 

 sunk the three first with Calais to the type form Amata from Africa, but though 

 superficially resembling each other to some extent, the fact that Cyprsea and Modestus 

 are forest and garden insects and Dynamine belongs exclusively to desert tracts and 

 sandy districts is sufficient evidence to show they cannot be one and the same species, 

 besides which we possess seasonal forms of all three. During all the years we were 

 collecting in Bombay and the forest and garden lands along the coast we never took a 

 single example of Dynamine ; nor similarly, after many months collecting in Karachi 

 where Dynamine in all its seasonal forms was common, or in any part of Sind from 

 Sukkur to the coast, did we ever capture a single example resembling either Cyprsea 

 or Modestus. Cyprsea, Modestus and Dynamine have in the male a patch of 

 specialized scales on the upper side of the Hindwing, extending from the subcostal 

 vein to the costal margin, no glandular patch on the Forewing, but the lower margin is 

 slightly convex. All the other Indian forms have a small glandular patch on the 

 upperside of the Forewing above the median nervure. All the diff'erent forms of the 



