LETTER 11.
FELICI4 TO CoNSTANcE.

S/trubhciiy,.

DEAR CONSTANCE,

BEFORE 1 enter into particulars, it will be necessary to point out those peculiarities that distinguish insects from all other animals Linriaus has divided thean imal kingdom into six classes, and comprised, insects in the fifth, ith this single definition: "Flaying two antenna or feelers," which are the horns affixed to the head. But some nattiraliss go further, and describe them by the following marks: They are furnished with several feet, not less than six;. and are destitute of bones, the want of which is supplied lay the hardness of the outer skin, that, like a coat of mail, serves at once the double purpose of defence and supporL

Instead of breathing, as other animals do, by the lungs, they are furnished with pores, or breathing holes, called spiracula, placed along the sides of their bodies, through which they re spire. After showing OU what they have; I must enumerate what they have not: they

have