Title: Elements of entomology: an outline of the natural history and classification of British insects Identifier: elementsofentomo00dall Year: 1857 (1850s) Authors: Dallas, W. S. (William Sweetland), 1824-1890 Subjects: Insects -- Great Britain Publisher: London, J. van Voorst Contributing Library: Smithsonian Libraries Digitizing Sponsor: Smithsonian Libraries View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: 10 THE BITING MOUTH. their way through wood and other hard substances; it is with them also that the predaceous insects seize 2. Text Appearing After Image: Head and mouth of an Insect (Carabus violaceus). 1. The head, a «. Antennae. 6 *. Mandibles, c. Maxillae. d(Z. Maxillary palpi. e. Labial palpi. 2. The parts of the mouth dissected, a. Labrum. b b. Blandibles. c c. Max- illae, d. Labium. and destroy their victims. In the form of these organs^ and of the teeth with which they are armedj we have consequently as distinct an indication of the mode of life of these animals^ as that furnished by the jaws of any quadruped. In the most carnivorous species we find the mandibles pointed and hooked^ and the teeth sharply conical^ reminding one^ to com- pare small things with great,, of the formidable canine teeth of the Lion or Tiger^ which indeed are scarcely so ferocious as these little tyrants; whilst in those which are formed for gnawing hard substances^ the tips of the mandibles are flattened so as to furnish a broad cutting surface^ the teeth of the inner edge are blunt, and the lowest of them, beino: tubercular in their form^ offer no distant resemblance to the molars of quadrupeds. Between these extremes the man- Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.