| Previous | Index | Next |
fixed. Accordingly, she is furnished with eight eyes, curiously adapted, by their situation, to the wants of the animal; two being fixed on the top of the head, that look upwards; two in front, to look forwards; and on each side another pair, one of each points sideways forwards, and the other sideways backwards, so that the insect can see nearly round. The tongues of insects vary in form that of a gnat pierces like a needle, and sucks
1i1 pump, which fits it for drawing blood
whilst those of the butterfly tribes are curled up like the spring of a watch, which the insect can uncurl when it wishes to suck the honey from the bottom of a flower: in some others it is fleshy, but in the fly it is shaped like a tube.
I will now dismiss the head, with its appendages, and proceed to a description of the body, which, in the major part of insects, is divided into the thorax, or upper part, and the abdomen, or lower part. In many of the beetle tribe, the back of the thorax is distinguished by a trian
gular piece, called the scutellum, or escutcheon,
situated towards the lower part of the thorax, and is extended between the wings. `rue under part of the thorax is termed the pectus, or breast, in which a longitudinal line, often pointed at both extremities, called the sternum, 'is placed. The abdomen is composed of rings,
having
| Previous | Index | Next |