. Elementary zoology. Zoology. \. graph by Geo. O. and small and large in- Mitchell.) testine. From the canal just at the point of union of the digesting stomach (ventriculus) and the small in- testine rise the so-called Malpighian tubules, which are excretory organs. They are long slender diverticula of the alimentary canal, and are typically six (three pairs) in number. The circula- tory system is composed of a tubular vessel running longitudinally through the body in the median line just under the dorsal wall. It is composed of a series of chambers or segmental parts, which by a rhythmic co


. Elementary zoology. Zoology. \. graph by Geo. O. and small and large in- Mitchell.) testine. From the canal just at the point of union of the digesting stomach (ventriculus) and the small in- testine rise the so-called Malpighian tubules, which are excretory organs. They are long slender diverticula of the alimentary canal, and are typically six (three pairs) in number. The circula- tory system is composed of a tubular vessel running longitudinally through the body in the median line just under the dorsal wall. It is composed of a series of chambers or segmental parts, which by a rhythmic contraction and expansion propel the blood anteriorly and into a short, narrow, unsegmented anterior portion of the vessel Fig. 48.—The anten- na of a carrion bee- tle, with the termi- nal three segments enlarged and flat- tened, and bearing many li smelling- pits,'' the antenna thus serving as an olfactory organ. (Photo - micrograph by Geo. ). 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937. New York : H. Holt and company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902