 | 1869 - 748 páginas
...rubbing the inner surface of the hind legs against the outer surface of the wing-covers ; and fourth, by rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers. The insects which employ tinfourth method stridulate... | |
 | Alpheus Spring Packard - 1870 - 756 páginas
...rubbing the inner surface of the hind legs against the outer surface of the wing-covers ; and fourth, by rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers. The insects which employ the fourth method stridulate... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1873 - 288 páginas
...by rubbing the inner surface of the hind legs against the outer surface of the elytra ; and, second, by rubbing together the upper surface of the front edge of the wings and the under surface of the elytra. According to Landois,* the inner surface of the hind femur... | |
 | Edward Sylvester Morse - 1875 - 218 páginas
...By rubbing the inner surface of the hind-legs against the outer surface of the wing-covers; and 4. By rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers. The insects which employ the fourth method stridulate... | |
 | 1874 - 418 páginas
...by rubbing the inner surface of the hind legs against the outer surface of the elytra; and, second, by rubbing together the upper surface of the front edge of the wings and the under surface of the elytra. According to Landois, the inner surface of the hind femur... | |
 | Alpheus Spring Packard - 1876 - 772 páginas
...nibbing the inner surface of the hind legs against the outer surface of the wing-covers; and fourth, by rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers. The insects which employ the fourth method stridulate... | |
 | Edward Sylvester Morse - 1876 - 326 páginas
...By rubbing the inner surface of the hind-legs against the outer surface of the wing-covers; and 4. By rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers. The insects which employ the fourth method stridulate... | |
 | Alpheus Spring Packard - 1883 - 370 páginas
...(crickets and green grasshoppers); second, by rubbing the inner surface of the hind legs against tne outer surface of the front wings (some locusts); third, by rubbing together FIo. 142.— Kooky Mountain Locust; 6, Eed-legged Locust. FIG. 143.— An African Mantle, or soothsayer,... | |
 | Alpheus Spring Packard - 1883 - 368 páginas
...(crickets and green grasshoppers); second, by rubbing the inner surface of the hind legs against fne outer surface of the front wings (some locusts); third, by rubbing together FIo. 148.— Rocky Mountain Locust; 6, Red-legged Locum. Fio. 149.— An African Mantis, or soothsayer,... | |
 | Alpheus Spring Packard - 1888 - 396 páginas
...European Ephippigera, one of the Locustidae, the female is provided with well-developed vocal organs. They stridulate in three ways — ie, first, by rubbing...surface of the wingcovers during flight (some locusts). Family Blattariae.— Body flattened, oval, with a broad pronotum; fore wings broad oval; antenna long... | |
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... by rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers. 
