Structure and classification of insects . ifUSICAL INSTRUMENT OF THE GRASSHOPPER (ACRIDa). A, upper surface of right wing case ; B, under surface of leftwing case ; C, file, more highly magnified. 56 THE THORAX OR TRUNK. To designate the manner in which these cells and ner-vures, or veins and veinlets, are often designated, weappend the following diagram :. WINGS OF THE BEE. 1. Neryukes.—a, costal ; d^ post-costal ; c, extemo-medial; /,tinal; g^ w, cransverso-medial; h, radial ; ^, cubital; k, discoidal;Z, sub-discoidal; n, recurrent; &, apical ; c, postero margin ; o,stigma. 2. Cells.—I, cost


Structure and classification of insects . ifUSICAL INSTRUMENT OF THE GRASSHOPPER (ACRIDa). A, upper surface of right wing case ; B, under surface of leftwing case ; C, file, more highly magnified. 56 THE THORAX OR TRUNK. To designate the manner in which these cells and ner-vures, or veins and veinlets, are often designated, weappend the following diagram :. WINGS OF THE BEE. 1. Neryukes.—a, costal ; d^ post-costal ; c, extemo-medial; /,tinal; g^ w, cransverso-medial; h, radial ; ^, cubital; k, discoidal;Z, sub-discoidal; n, recurrent; &, apical ; c, postero margin ; o,stigma. 2. Cells.—I, costal; II, externo-medial; III, interno-medial;IV, anal ; Y, marginal; VI, 1st; VII, 2d ; VIII, 3d ; IX, 4thsub-marginal ; X, 1st ; XI, 2d ; XII 3d discoidal ; X, 1st; X,2d, apical CHAPTER VIII. ABDOMEN.


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872