( 507 ) 



A NEW FORM OF ATTACUS. 



By the Hon. WALTER ROTHSCHILD, Pii.D. 



Attacus dohertyi wardi snbsp. nov. 



Differs from .1. rl. doherti/i h\ the vitreous wing-patches being rounded on the 

 inner side ; b}' the absence of a pale patch on forewing bej-ond the vitreous patch ; 

 by the red streak in apex of forewing between veins 5 and fi being only 5 mm. 

 instead of 14 mm. long; in the submargiual line of hindwing being purple and 

 not black, and in the patches behind the snbmarginal line on nnderside of hindwing 

 being almost absent ; it is also mnch smaller. 



Length of forewing : cJ 86 mm.; ? 95—102 mm. 



Hab. Port Darwin, N.W. Australia (F. P. Dodd). 



1 c? (type) and 1 ? in the British Museum ; 1 S and 1 ? in the Tring 

 Museum. 



This insect is named after the son of the Earl of Dudley, who presented the 

 type to the British Museum. 



The female in the British JIuseum is paler and more yellowish than my 

 specimen of that sex. 



