 | Gill's scientific, technological and microscopic repository - 1829 - 424 pages
...may be seen in the under lip of the various species of dragon fly (libellula Linn.). In other larva this part is usually small and inconspicuous, and...these it is by far the largest organ of the mouth, and which, when closed, it entirely conceals; and it not only retains, but actually seizes, the animal's... | |
 | 1838 - 944 pages
...parallel in the insect world, may be seen in the under lip of the various species of dragon fly. In other larvae this part is usually small and inconspicuous,...of jaws with which it is furnished;. Conceive your under lip (to have recourse, as Reaumur did, on another occasion, to such a comparison) to be horny... | |
 | History - 1839 - 286 pages
...insects the under-lip is small, but in those of the dragon-fly, Messrs. Kirby and Spence observe, " It is by far the largest organ of the mouth, which,...; and it not only retains, but actually seizes the animal>s prey, by means of a very singular pair of jaws with which it is furnished. Conceive your under... | |
 | Periodicals - 1841 - 272 pages
...singularly conspicuous, and which appears to be without a parallel in the insect world." This lip is the largest organ of the mouth, which when closed it entirely conceals ; and with this lip, together with the assistance of a singular pair of jaws, the animal not only retains,... | |
 | American periodicals - 1848 - 602 pages
...very large and of a most extraordinary structure, thus well described by Kirby and Spence. " It is hy far the largest organ of the mouth, which, when closed, it entirely conceals, awl it not only retains but actually seizes the animal's prey, by means of a very singular pair of... | |
 | American periodicals - 1849 - 638 pages
...is very large and of a most extraordinary structure, thus well described by Kirby and Spence : — It is by far the largest organ of the mouth, which,...closed, it entirely conceals, and it not only retains Hut actually seizes the animal's prey, by | means of a very singular pair of jaws with which it ! is... | |
 | 1849 - 636 pages
...is very large and of a most extraordinary structure, thus well described by Kirby and Spence : — It is by far the largest organ of the mouth, which,...closed, it entirely conceals, and it not only retains hut actually seizes the animal's prey, by means of a very singular pair of jaws with which it is furnished.... | |
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In other larvae this part is usually small and inconspicuous, and serves merely for retaining the food and assisting in its deglutition, but in these it is by far the largest organ of the mouth, which, when closed, it entirely conceals, and it not only... 