INSECTS. 103 
Order I. Chilognatha.—In the Millepedes (Fig. 120), 
the body is cylindrical, each segment bearing two pairs of 
Compound eye.. 
Antenna....... 
Fic. 120,—A common millepede. The line underneath the figure represents 
the length of the specimen from which the drawing was made. A, a 
magnified view of the head of the milleped represented above. 2, a 
magnified view of the left jaw. (After Morse.) 
‘legs. They are vegetable feeders, and harmless. The 
eggs are laid in the earth, and the larva at first has only 
three pairs of legs (Fig. 121). Spz- 
rostrephon, from the Mammoth Cave, 
is covered with hair. 
Order II. Pauropoda.—The 
Pauropus has only six segments be- 
sides the head. The young have 
three pairs of feet. Fic. 121.—Highly magni- 
Order III. Chilopoda.—The aca tae ae aes 
Centipedes (Fig. 122) attain a length . py iGretine could 
of ten or twelve inches, and have a the egg. 
flattened body composed of from 
30 to 200 joints or segments. In some the eyes are sim- 
ple ocelli; in others they are compound. The Scolopen- 
dra heros is extremely poisonous, the glands being in the 
two large fangs (Fig. 123). Cermatia forceps, of the Mid- 
dle and Septheen States, is also said to be poisonous. 
