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, 

 llooks of the tarsi simple. 



