from Old Calohar and Madagascar. 463 



Attacus perspicuus, n. sp. 



Size and general coloration of A. vacuna, the discal white 

 belt similar in position and form, but the area beyond this belt 

 broadly sprinkled with snow-white scales ; the ocelloid hyaline 

 patch of primaries as in ^. myihimna^ and that of the secon- 

 daries subquadrate and very large ; the outer border of prima- 

 ries pale olive-brown, traversed internally by a deeply and 

 regularly crinkled black line, with longitudinal black dashes 

 internally between the sinuations, much as in ^. atbarimis ; 

 outer border of secondaries intermediate in colour and spotting 

 between A. vacuna and A. mythimna \ basal white belts as in 

 A. vacuna^ but whiter and sharply defined ; pectus white. 

 Wings below differing from A. vacuna as upon the upper 

 surface. Expanse of wings 5 inches 4 lines. 



Old Calabar. 



Stibolepis, n. gen. 



Aspect of Melanothrix'^ ^ but neuration of Sarmalia, except- 

 ing that the discoidal cells are half as long again. Type >S'. 

 nivea. 



Stiholepis nivea^ n. sp. 



6 . Snowy white ; wings with black external borders tra- 

 versed by a deeply dentate-sinuate white line ; fringe alter- 

 nately black and white : primaries with a series of black spots, 

 interrupted on the median interspaces, close to the external 

 border ; costal border crossed by black dashes, the four nearest 

 the base continued, as grey and ill-defined stripes, across the 

 wing : secondaries with a subcostal black dash close to the 

 external border : head fulvous in front, black behind ; antenna 

 dark brown ; thorax with a longitudinal central black line ; 

 tegulse crossed by black humeral stripes ; abdomen fulvous. 

 Wings below white, the veins yellowish ; a dentate-sinuate 

 black outer border ,* fringe black, spotted with white : prima- 

 ries with the base of costal border and the costal margin black : 

 body ochreous, abdomen with a series of black dots on each 

 side. Expanse of wings 2 inches 11 lines. 



Old Calabar. 



This genus and the other two with which I have compared 

 it will come into the Bombycidse, in the neighbourhood of 

 Jana. 



Zenzera cretacea^ n. sp. 



S. Intermediate in colouring and marking between Z. 



* Melanothrix pulchricvlor is identical witli Gnophos ? nymphaliaria 

 of Walker. 



