. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. r6 OIlGA» D£VELOPMI;^â T OF AMMALS !>' GENERAL. opeuings which are usually common to the generative organs; they consist essentially of a number of coiled tubes, which in the more primitive types of Vertebrates have a ciliated funnel-shaped opening into the body cavity (Dogfish embryo, fig. 71). The individual tubules of which the verte irtr. JZz^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio


. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. r6 OIlGA» D£VELOPMI;^â T OF AMMALS !>' GENERAL. opeuings which are usually common to the generative organs; they consist essentially of a number of coiled tubes, which in the more primitive types of Vertebrates have a ciliated funnel-shaped opening into the body cavity (Dogfish embryo, fig. 71). The individual tubules of which the verte irtr. JZz^. 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; Metcalf Collection (North Carolina State University). NCRS. London, Swan Sonnenschein


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892