Page:Insects - Their Ways and Means of Living.djvu/23

 Contents of the pupal blood  Moths of the tent caterpillar  Head of a tent caterpillar moth  Head of a peach borer moth  Transformation of the alimentary canal  Reproductive organs of a female moth  Young tent caterpillars in the egg  A robber fly </li> <li>Wings of insects </li> <li>The black horsefly </li> <li>Mouth parts of a horsefly </li> <li>Structure of a fly maggot </li> <li>Rat-tailed maggots </li> <li>Larva and pupa of a horsefly </li> <li>Life stages of a mosquito </li> <li>Structure of a mosquito larva </li> <li>Mouth parts of a mosquito </li> <li>A male mosquito </li> <li>Mosquito larvae </li> <li>Mosquito pupae</li> <li>The female malaria mosquito </li> <li>Feeding positions of mosquito larvae </li> <li>Life stages of the house fly </li> <li>Head and mouth parts of the house fly </li> <li>Head of the stable fly </li> <li>A tsetse fly </li> <li>Head and mouth parts of the tsetse fly</li> </ol>