CERATOMTA. 205 



external spurs. The wings are rather broad, the anterior with the 

 tip rounded, the hind margin entire, obliquely convex, and the 

 inner margin somewhat concave above the interior angle. Male, 

 antennae ciliferous. Female, antennae simple. 



Larva. Head large, semi-oval, somewhat flattened in front. 

 Body wrinkled transversely and granulated, with a vascular line of 

 fleshy serrations and a thoracic dorsal line of granulations on each 

 side, and with four thoracic fleshy granulated horns ; caudal horn 

 rather short, straight, and roughened. The pupa is smooth; 

 tongue-case not apparent. Transformation subterranean. 



1. C. quadricornis Hiibn. Agrius amyntor Exot. Schmett. 



Palpi brown. Head grayish or whitish-fawn color. Thorax 

 with the disk fawn color or greenish brown and whitish on the 

 sides, a short transverse dark-colored line before and the tegulaB 

 with a central and superior blackish line on each side, with black 

 metathoracic spots. Abdomen fawn colored or brownish, with a 

 slender black dorsal line and two black stripes on each side. An- 

 terior wings fawn color, varied with blackish brown, or dull green- 

 ish brown varied with black ; costa grayish at the base, with wing 

 of a pale hue above the median nervure and dusky beneath it; 

 three dark brown irregular lines advance from the basal portion 

 of the inner margin to the disk beyond its middle, and thence 

 retreat to the costa ; discal spot white, with a short black discal 

 dash resting on median nerve ; several subterminal blackish lines 

 arise above the interior angle and* run nearly parallel to the hind 

 margin to disco-central nervure, whence they retreat to the costa; 

 black streaks in all the interspaces, with the fringes brown, spotted 

 with white. Posterior wings pale brownish, with a subterminal 

 blackish or dark-brown band and shaded with blackish in the mid- 

 dle or forming indistinct dark-colored lines. 



Mature Larva. Head pale green, with an indistinct whitish 

 lateral stripe. Body pale green, becoming just before pupation 

 in one of the sexes more or less reddish brown, dotted with obscure 

 granulations ; lateral stripes pale greenish, with whitish granula- 

 tions and two thoracic dorsal white granulated lines ; caudal horn 

 greenish ; stigmata black encircled with yellow and divided by a 

 yellow line. Feet reddish or tipped with reddish. Length about 

 3 inches. 



