m 
Xlll 
■ i -—„„„„ 
METAMORPHOSIS . 
InfeCSs in general undergo a material change in 
their form at {fated periods ; there -are feme, though 
few in comparison, which burff from the egg perfect¬ 
ly formed ; as fpiders, &c. but the greater part exiSh 
in three different States ; in the intermediate or mid** 
die {fate, lying as if they were dead. 
The egg is depohted in a convenient pface, where 
the worm which is to be hatched from it may'find 
food. 
From the egg is produced the larva, (called like- 
wife grub, caterpillar, or worm) which is of a moifl, 
or humid fubifance, Softer and large r than the egg ; 
flow in its motion, and exceedingly voracious when 
it meets with the food to which it is mod addiffed ; 
but more temperate when obliged to put up with that 
of which it is lefsTond. 
Larvae in general, have a great many feet ; fome 
have none. In this date they grow, and change their 
. fkin. 
Larva fignifies a mvjk ; and infeefs in the larva date 
*are in difguife. « . . 
Some call the infeCf in this date maggot; Some ernca* 
The pupa, on chryfalis is drier and harder than the 
larva; confined in a narrow compafs; and is either 
naked or covered with a kind of web, 
b Pupa 
