JULY. 211 



Lepidopteea. Noctuidj:. 

 THYATIKA. 

 Generic Distinctions. — See page 170. 



Thyatira derasa. Buff Arches, The prevailing colour 

 in tliis species is light yellowish-brown ; the upper wings 

 having two oblique white bands, the space between which 

 is clouded with brown and white; there is also a transverse 

 series of fine" zigzag lines of a brown hue, forming acute 

 angles on a whitish ground ; the hinder margin is brown, 

 with two rows of small white arches, surmounted by a white 

 line; the hinder wings are dusky, with a tinge of ochre. 

 The caterpillar is yellowish-green, with brown spots and 

 lines ; it seems to be a general feeder. The moth is found 

 pretty frequently near woods and shady lanes. 



Lepidoptera. Noctuid^. 



CATOCALA. 



Generic Distinctions. — AntenncB long and setaceous ; /;ro5o5c?-s 

 as long as the antennte ; palj)i, middle joint much longer than 

 the others, and densely clothed with scales ; body thin at the ex- 

 tremity ; tJiorax shghtly crested. 



