IV. THE FEMALE OF THE COCKROACH 

 A LL U A U DELL A. 



By F. H. GraveIvY, D.Sc, Asst. Superintendent, Zoological Survey 

 of India (now Superintendent, Government Museum, Madras). 



The genera Alluaudella and Cardax contain minute cockroaches 

 of such unusual form that Shelford remarked when describing the 

 latter : ''It is difficult to discover the affinities of a genus so 

 aberrant as this. . . .it cannot be regarded as closely related to any 

 known genus."' Only two species of Alluaudella and one of Cardax 

 are known, and these from male specimens only. The discovery 



Alluaudella himalayensis $ , X 15. 



of a female is therefore of considerable interest. 



Mr. ly. C. Hartless in his bungalow at Pashok, ca 



Darjiling District of the Eastern Himalayas. 



small and its wings vestigial, so that it is obviousl}^ incapable of 



flight ; but the tegmina presumably function as a protection to the 



body, for they are sufficiently developed to show that the venation 



It was found by 

 3,500 ft., in the 

 Its tegmina are 



An7z. Mag. Nat. Hist. (8) I, p. 162 (1908). 



