. Elementary text-book of zoology. Zoology. FIG. 65.—Traehese with fine branches (after Leydig). Z, cellular, outer wall; Sp, spiral thread. Tr- branching, give rise to flat T. 'St FIG. 666.—Lateral view of head and body of an Acridium. St, stigmata ; T, Tympanum. Openings in the body wall are present, placing the organs of aerial respiration in communica- tion with the exterior. These openings may be numerous, and paired, placed symmetrically on the sides FIG. 6G«. —Tracteal .^y* tern of a Dipterous hu-vsi. Tr, Longitudi- nal stem of the right side with tufts of trn- chese; St', and St",
. Elementary text-book of zoology. Zoology. FIG. 65.—Traehese with fine branches (after Leydig). Z, cellular, outer wall; Sp, spiral thread. Tr- branching, give rise to flat T. 'St FIG. 666.—Lateral view of head and body of an Acridium. St, stigmata ; T, Tympanum. Openings in the body wall are present, placing the organs of aerial respiration in communica- tion with the exterior. These openings may be numerous, and paired, placed symmetrically on the sides FIG. 6G«. —Tracteal .^y* tern of a Dipterous hu-vsi. Tr, Longitudi- nal stem of the right side with tufts of trn- chese; St', and St", anterior and posterior stigmata; Mh, or;il 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 Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. New York : Macmillan
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
