Excerpt from British Butterflies, Moths and BeetlesInsects have six legs in the perfect state, and no more, four (or two) wings, two eyes, composed of a great number of facets, and sometimes one, two, or three eyes of another kind, called simple eyes, or stemmata, on the tip of the head. Their body is composed of thirteen segments, divided into head, thorax, and abdomen. They have neither heart, brain, nor nervous system at all resembling thos...
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