662 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 
from Fort George, Fla. In confinement the Lara* occupied thirty days in attaining 
fcheit full growth, and remained two weeks in the chrysalis state before giving forth 
the butterfly. 
The young caterpillars are almost precisely like the full grown ones in form a^nd 
color, except that tin- gray markings are darker and the white blotches not so exten- 
sive as at a later Itage Of growth. 
Larva.— The full-grown larva is something over 2$ inches in length, and is very 
peculiarly marked. The belly and legs are brownish; the first four segments have 
upon each side a longitudinal white band ; between these two bauds above, the 
body is brownish, with large spots of a darker color; upon the middle segments, 
beginning with the fourth and ending with the eighth, there is a large white space 
shaped like a lozenge, one of its corners reaching to the first pair of prolegs on each 
side ; several brownish dots are to be seen upon this baud ; another similar white or 
( ream colored blotch covers the posterior part of the body ; this blotch also contains 
some brownish dots; the sides of the body between these white spots are of a uni- 
form dull brown. One of the most striking points connected with these larvae is one 
which they hold in common with other members of the geuus, namely the possession 
of two long red fleshy filaments or " tentacles'' upon the first thoracic segment, and 
the power to withdraw or extrude them at will. Upon being disturbed the larva 
always protrudes these organs, which, by the way, have a very disagreeable odor, 
and directs them towards the place of disturbance. It is considered that these organs 
are a protection to the caterpillars against the attacks of ichneumon flies and other 
parasitic and predaceous insects. 
Pupa. — The chrysalis of this insect affords one of the most marked instances of pro- 
tective resemblance which it has ever been our good fortune to see. It is nearly an 
inch and a half in length, is irregularly forked at its upper end, has a prominent 
point upon its breast, and is suspended by a loop of silk around its middle, its tail 
being also fastened to the supporting twig or leaf. Its color (I have only examined 
the hibernating chrysalides) is of varying shades of gray and brownish, so exactly of 
the color of the orange bark that it is extremely difficult to see it. The irregular 
projections of the head and breast, and sundry markiugs resembling cracks in the 
bark, and even minute lichens growing upon it, bear out the striking likeness to a 
bit of a knotty orange branch most perfectly. It is worthy of remark that Mr. 
Glover states that the chrysalis is greenish in color, but this discrepancy may be 
explained by the probability that he was describing the chrysalis of one of the sum- 
mer broods, or one which had just transformed. 
Butterfly. — The adult insect is one of the handsomest of the southern butterflies. Its 
spread of wing is from 4 to 5 inches. The ground color above is black, and an irreg- 
ular triangle of broad yellow spots includes a large part of the wings. The under 
side of the wings is yellowish with black nervures and a row of crescent-shaped 
blue spots on the secondaries. 
There are usually four broods of the butterflies in the course of a 
season, the last brood wintering in the chrysalis state, and the adults 
making their appearance the ensuing April. 
From what we have been able to learn these caterpillars have not 
been abundant enough of late years to do much damage, yet from the 
statements of Boisduval and Le Conte, and of Glover, referred to before, 
they have undoubtedly been so in years past. This being the case, the 
obstacle to free development which has kept them in check is liable at 
any time to be removed, and we may have them abundantly any year. 
That the scent organs have not succeeded in making them free from 
the attacks of parasitic insects is shown by the fact that from chrysalides 
collected at Jacksonville, Fla., in January, were bred several specimens 
