LEPIDOPTERA. 143 

nilles,”* the scaly legs of the caterpillar of the oak and elm. 
| The others are membranous, fleshy; generally conical or cylin- 
drical, contractile, and taking, according to the will of the animal, 
| very different forms. Fig. 95 represents, after the same memoir 
| of Réaumur’s, the different forms of the membranous legs of 
alley 
wiz 
——_ 

| Fig. 95.—Membranous legs of the Silkworm (Bombyx mori). 
he Silkworm caterpillar. This plate gives a sufficiently good ° 
‘idea of the shape of these organs, and of the hooks, circular or 
| semi-circular, with which they are furnished. 
| In Fig. 96 are represented, after the same author, two mem- 
“branous legs of a large caterpillar, 
of which the hooks of the feet are 
fastened into a branch of a shrub. 
_ Caterpillars have from two to ten 
false legs, the scaly legs being always” 
‘six in number. The pro-legs, as the 
fleshy ones are called, are divided 
‘into hinder and intermediate. The 
former are two in number; the in- 
termediate are rarely more than 
eight in number. 
~~ In the caterpillars which have the 
full number of legs—that is to say, 
sixteen—there are two empty spaces, 



Fig. 96.—Membranous legs of a large 
Caterpillar ‘acing’ é io. 
where the body has no support . the aterpiullar embracing a twig 
ne between the legs and the pro-legs, formed by the fourth and 
\ifth segments; the other, between the intermediate pro-legs and 
the anal legs, formed by the tenth and eleventh ring. 
* Tome i. p. 164, Plate iii. Figs. 1, 2. 

*{ 

