. The microscope and its revelations. m (Science G«w/y Reaumur, by means of a tube formed by the coaptation of the saws, butthrough a separate ovipositor, protruded when the saws have been withdrawn. 1004 INSECTS AXD AEACHNIDA of this is furnished by the gad-fly (Tabamts), whose ovipositor isci imposed of several joints, capable of being drawn together orextended like those of a telescope, and is terminated by boringinstruments; and the egg being conveyed by its means, not onlyinto but through the integument of the ox, so as to be imbedded inthe tissue beneath, a peculiar kind of inflammation
. The microscope and its revelations. m (Science G«w/y Reaumur, by means of a tube formed by the coaptation of the saws, butthrough a separate ovipositor, protruded when the saws have been withdrawn. 1004 INSECTS AXD AEACHNIDA of this is furnished by the gad-fly (Tabamts), whose ovipositor isci imposed of several joints, capable of being drawn together orextended like those of a telescope, and is terminated by boringinstruments; and the egg being conveyed by its means, not onlyinto but through the integument of the ox, so as to be imbedded inthe tissue beneath, a peculiar kind of inflammation is set up there,which (as in the analogous case of the gall-fly) forms a nidus appro-priate both to the protection and to the nutrition of the larva. Otherinsects which deposit their eggs in the ground, such as the their ovipositors so shaped as to answer for digging holes fortheir reception. The preparations which serve to display the fore-. FIG. 747.—Various ij-s, chiefly of the Mallophaga (Anoplura). parts are best seen when mounted in balsam, save in the caseof the muscles and poison-apparatus of the sting, which are betterpreserved in fluid or in glycerin jelly. The sexual organs of insects furnish numerous objects of extremeinterest to the anatomist and physiologist : but as an account of1hem would be unsuitable to the present work, a reference to acopious source of information respecting one of their most and to a list of the species that afford good hen- The c<j</s of not only the class Insecta, but of 1 See the memoirs of M. Lacaze-Dutkiers, Sur 1Armure (icnitaledes Insectes, inAnn. it i-n Sri. _f. ser. iii. Zool. tomes xii. xiv. xvii. xviii. xix.; and M. Ch. Robins EGGS IO05 many of the minuter forms of the class Arachnida, as for examplethe Acarina, or mites and ticks, present to those who are in search ofobjects of beauty a wide and most interesting fiel
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
