NYMPHALID^E. 
281 
low. It is rough and firm to the touch, the posterior extremity is 
prolonged into two short tails, and the head is adorned with curious 
spiny projections or branching horns, which have suggested the 
name of antlers to some authors. There is but one brood in a sea¬ 
son, and the half-grown larvae for the next summer’s butterflies win¬ 
ter in a torpid state The chrysalis is yellowish green and somewhat 
angular. 
This butterfly, like all the other members of the genus Apatura 
with which I am acquainted, is a strong and rapid flyer. It frequents 
the outskirts of woods and groves, and often alights on the trunks 
of trees. It is very pugnacious, giving battle to all intruders on 
its chosen domain. The butterfly makes its appearance in July, and 
it inhabits the southern and southwestern states. 
Apatura celtis. Male. 
A smaller species than those preceding is Apatura celtis. The 
upper wings are greenish gray or olive gray on their lower half, the 
upper half being dark brown. Two irregular rows of pale yellow¬ 
ish spots, the outer one extending hut half across the wing from the 
upper margin, are located on the outer half. Two short black marks 
are placed just below the upper margin. These are bordered exter¬ 
nally with pale yellow spots. One black eye-spot, enclosed in a 
tawny ring, is situated at the lower end of the outward line of yel¬ 
lowish spots. A line of faint tawny spots follows the outer margin. 
The veins are black. The lower wings have a slightly reddish 
tinge in comparison with the upper pair, and are darker near their 
base. A light area on the outer half of the wing contains several 
small black spots, and outside of these are two dark brown wavy 
