go I.F.PIDOPTERA. 



A. Wings snowj'-white, markintrs jet-black, in bands of 



angulated spots. M. hostnta. 



A-. Wings white or brownish- white. 



B. Markings black, in three bands. M. tristata. 

 IV-. Fore wings with central brown-black band, other bands 



greyer. 



C. Central dark band followed by a broad pur(> white 



stripe. M. ricatc. 



C-. Central band followed by a narrower, divided white 



stripe. M. xuhtristata. 



A^. Wings greyish-white, central band of fore wings broad, 



blue-black. M. (jal'uita. 



I. M. hastata, L. — Expanse li to li inch. Fore 

 and hind wings white ; with transverse series of angulated 

 black spots and blotches at the base, before the middle, and 

 along the hind margin; cilia chequered black and white. 

 Body black, slenderly barred with white. 



Antenna' of the male cyliuelrical, naked, black, tinged in 

 front with white ; pal])i small, pointed, rather porrected, 

 black, tufted beneath with white ; eyes dark brown ; lace 

 black ; top of tlie head of the same colour, but dusted with 

 white ; thora.x smooth, yet with a very faint raised ridge at 

 the back ; it and the abdomen, which is black, are barred 

 with slender yellowish-white lines; anal tuft compressed and 

 pointed, black. Fore wings broad ; costa arched, especiallj- 

 so near the base and apex ; this last being bluntl}' angnlated; 

 hind margin gently curved and appearing faintly crenulated ; 

 dorsal margin rather fully rounded ; colour white or creamy- 

 white ; basal spot black, spotted and edged with white, and 

 closely followed by a black transverse curved stripe, broad on 

 the costa, suddenly narrowed below the middle; just before 

 the middle of the wing is a large cluster of angulated black 

 spots and streaks upon the costa, and opposite it a smaller 

 cluster upon the dorsal margin, which indeed often consists 

 of but two thick angular streaks ; beyond the middle of the 



