BRAZILIAN LEPIDOPTERA. 35 



much shorter than the posterior. On the last segment the 

 black appendages also change to the same colour as the 

 head. In the last stage the caterpillar is striped longitudi- 

 nally with pale blue and green, the strip«s being separated 

 froni one another by narrow yellowish brown lines, and the 

 horns on the head and last segment are greatly developed, 

 giving the insect a very strange appearance. The caterpillar 

 always lies close alongside of the mid-rib of the leaf, and, 

 from its close resemblance to the colour of it, is very diflBcult 

 to see at a short distance. It spins a fine white web on the 

 leaf, to help it to hold on, and always spins a web in front of 

 it when walking. (See figs. 4, 5, plate III.) 



Pupa 1 ^' ^'^^l'^®*^' ^P^^^ ^^ ' Imago, May 10, 1878 = 

 t 27 days. 



When full-fed, the caterpillar attaches itself to the under- 

 side of the mid-rib of the banana leaf by its anal and last 

 pair of abdominal legs, the thorax hanging down. In this 

 position it remains two days. The third day it lets go with 

 the abdominal legs, and hangs by the anal ones only, or by 

 its " tail," as it is generally expressed. At the close of the 

 third day it changes to a pale green chrysalis, with a dot of 

 gold on each wing-case. (See fig. 6, plate III.) 



I" a, ? Full-fed April 13 ; Imago, May 10, 1878 = 

 Imago, j 27 days. 



I h, ? April 27, 1878. c, a^ April 23, 1878. 



This butterfly is crepuscular in its habits, and is rarely 

 seen flying in the daytime. The best time for it is just after 

 sundown, when it may be seen flying in the open glades of 

 woods, etc., settling on some elevated point, and from thence 

 sallying forth in pursuit of its fellows. The flight is quick 

 and powerful, and it is difficult to capture except when rest- 

 ing. There is a musky smell about this butterfly. 



