First lesson in zoology : adapted for use in schools . hood bypiercing and sucking the sap of plants or the blood of otherinsects; and the change in the jaws by which i^g ^ common jj f.\ \jH\ squash-bug (Fig.) ^ ( 105). With a lensand a needleFiQ. 106.—Squash- mountcd in a han-^ die, the student can, after a few trials, dissect thehead from the body, examine thebeak, the wings; separate the thoraxinto its separate segments, dissectthe hind body or abdomen fromthe thorax, and study these partswith the aid of Fig. 105, alwaysremembering to compare each partwith its corresponding part in thegrass
First lesson in zoology : adapted for use in schools . hood bypiercing and sucking the sap of plants or the blood of otherinsects; and the change in the jaws by which i^g ^ common jj f.\ \jH\ squash-bug (Fig.) ^ ( 105). With a lensand a needleFiQ. 106.—Squash- mountcd in a han-^ die, the student can, after a few trials, dissect thehead from the body, examine thebeak, the wings; separate the thoraxinto its separate segments, dissectthe hind body or abdomen fromthe thorax, and study these partswith the aid of Fig. 105, alwaysremembering to compare each partwith its corresponding part in thegrasshopper. It will be seen that bug has, besides a pair of com-pound eyes, two simple eyes be-hind ; and that it takes its food bysuction, plunging its long slenderbeak into the stems of plants orinto the flesh of its victim. This beak is the distinctivemark of the bugs, which thus differ from other insects in. -Head bed-bug, showine the structure of thebeak, lab, the four-jointedlabium,whioh contains the bris-tle-like mandibles (md) andmaxillae (mx), whose bases areshown by the dotted lines inthe head; Ibr, labrum; ant,antenna.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1894
