. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. Fig. 319.—Longitudinal Section of Human Body (tlieoretical): a, cerebro-spinal nervous sys- tem ; b, cavity of nose ; c, cav- ity of mouth; d, alimentary canal; e, chain of sympathet- ic ganglia; /, heart; g, dia- Fig. 320.—Transverse Section of Human Body (theoretical): a, cerebro-spinal nervous axis contained in neural tube ; c, chaiu of sympa- thetic ganglia; d, alimentary caual; /, heart; h, haemal tube. 1. 3fonot?'e7nes.—This order is created to include two singular forms, the Duck-mole {O

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. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. Fig. 319.—Longitudinal Section of Human Body (tlieoretical): a, cerebro-spinal nervous sys- tem ; b, cavity of nose ; c, cav- ity of mouth; d, alimentary canal; e, chain of sympathet- ic ganglia; /, heart; g, dia- Fig. 320.—Transverse Section of Human Body (theoretical): a, cerebro-spinal nervous axis contained in neural tube ; c, chaiu of sympa- thetic ganglia; d, alimentary caual; /, heart; h, haemal tube. 1. 3fonot?'e7nes.—This order is created to include two singular forms, the Duck-mole {Ornithorhynchus) and Spiny Ant-eater {Be/iidna), both confined to the Australian continent. The former has a covering of fur, a bill like. 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 Orton, James, 1830-1877. New York, Harper and brothers

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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology