36 LEPIDOPTERA OF NORTH AMERICA. 



Under side of secondaries more densely sprinkled or speckled 



with atoms and ferruginous spots. 



Texas — Mexico. — Expands 18 to 22 French lines. 



Boisd. 



T. mexicana Boisd. Boisd. Spec. Gen. 679. Figured on pi. 3, C. fig. 

 1, of Boisd. Spec. Gen. 



Wings brilliant citron yellow ; primaries with a black border at 

 the extremity, rather wide, ending squarely at the internal angle, 

 showing near the middle a rather deep quadrangular sinus ; *the 

 outer edge slightly sinuate, and whitish ; secondaries, with the 

 middle of the exterior edge prolonged to a prominent angle, in 

 the form of a tail ; a black border of moderate width, a little 

 dentated on its internal side, not reaching the internal angle ; 

 costal edge washed with orange yellow, mingling with the ground 

 color. 



Under side of the primaries pale citron yellow, with a black 

 central point, the edge intersected with brown points ; the outer 

 edge reddish near the fringe. 



Under side of secondaries yellow, sprinkled with ferruginous 

 atoms, with a blackish central point ; edge intersected with ferru- 

 ginous points, and marked near the external angle with a spot of 

 the same color ; the posterior half having four or five other spots 

 of the same color, of which two or three are in a line, and tending 

 to form a transverse band ; the middle of the outer edge more or 

 less washed with ferruginous. 



Female differs from the male in the upper side being yellowish 



white, with a wider border, the quadrangular sinus more profound; 



the anterior edge of the secondaries widely orange yellow, and 



below, three ferruginous posterior spots form on the secondaries a 



narrow, transverse, ferruginous band. 



Texas — Louisiana — Mexico. 



Boisd. 



Fam. III. DANAIDAE. 



Larva smooth, cylindric, with five pairs of simple, fleshy, 

 flexible processes. Chrysalis rather short, cylindric, with 

 brilliant golden spots. Perfect insect; palpi separated; thorax 

 and pectus with spots. Wings wide, discoidal cellule closed. 

 Hooks of the tarsi simple. 



