LEPIDOPTERA HETEROCEBA. 1219 



Attacus Atlas, H'ubn. Verz. Schmett. (Phalcence Sphingoides 



Echidna Speculares), 156, 1625. 

 Saturnia Silhetica, Heifer, Journ. Asiat. Soc. Bengal, vi. 41, 4. 

 Var. Phalaena Attacus Atlas, Cram. Pap. Fxot. i. 13, pi. 9, f. A. 

 Attacus Talas, Hubn. Verz. Schmett. {Phalcence Sphingoides 



Echidnce Speculares), 156, 1626. 



I. Vitreous spot of the fore wing accompanied by a small fusi- 

 form or more elongate vitreous spot, which is rather nearer to the 

 tip of the wing. 



Var. a. Male. Vitreous spot of the fore wings with a right 

 angle towards the costa, the interior angle much more attenuated 

 than the exterior angle ; sides nearly straight. Small vitreous spot 

 fusiform. 



Var. j3. Male. Vitreous spot with a very obtuse angle towards 

 the costa ; exterior angle of the spot, more attenuated than in var. a ; 

 exterior side more oblique ; interior side angular. Small vitreous 

 spot elongate fusiform. 



Var. y. Female. Spot broader ; exterior angle very acute ; 

 fore angle and interior angle much rounded ; interior side convex. 



Var. S. Size extremely large. Like var. y ; spots with the 

 exterior angle more elongated ; spot of the hind wings with the 

 interior angle not truncated. 



II. No small vitreous spot- 

 Far, e. Male. Interior angle of the spot much attenuated, 



somewhat rounded ; fore angle very obtuse and rounded. 



Var. f. Female. Spot much like that of var. y. 



Var. rj. Vitreous spots comparatively small, spot of the fore 

 wings narrow, regularly or irregularly angular in front ; that of the 

 hind wings regularly triangular. 



Var. 6. Like var. n, but with rather larger spots ; that of the 

 fore wings broader, with a right angle in front; that of the hind 

 wings with the interior angle much truncated. 



a — c. North India. From Mr. James' collection. 

 d. Silhet. From the Rev. J. Stainforth's collection. 

 e,f. East Indies. From Archdeacon Clerk's collection. 

 g. North India. From Mr. Stevens' collection. 



2q2 



