 | Frederick Converse Beach, George Edwin Rines - Encyclopedias and dictionaries - 1905 - 1076 pages
...for example, the grub of the mosquito. The families of insects nearly related to these have larvœ which live in mud and damp earth, and this suggests...more perfectly adapted to life in the water. The grub of the gnat or the drone-fly needs to rise to the surface at intervals and pierce the film with its... | |
 | Encyclopedias and dictionaries - 1919 - 882 pages
...for example, the grub of the mosquito. The families of insects nearly related to these have larvse which live in mud and damp earth, and this suggests...more perfectly adapted to life in the water. The grub of the gnat or the drone-fly needs to rise to the surface at intervals and pierce the film with its... | |
 | Encyclopedias and dictionaries - 1919 - 870 pages
...for example, the grub of the mosquito. The families of insects nearly related to these have larvas which live in mud and damp earth, and this suggests...more perfectly adapted to life in the water. The grub of the gnat or the drone-fly needs to rise to the surface at intervals and pierce the film with its... | |
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The families of insects nearly related to these have larvœ which live in mud and damp earth, and this suggests that it was from the shores that the waters were invaded by these insect-hosts. But there is another division of aquatic larvae still more... 