. Elements of comparative zoology. Zoology. 168 SYSTEMATIC ZOOLOGY. Order III.—Siphonophora. These may be defined as colonies of medusae, arising by budding. In these colonies the medusae become special- ^2X28^. 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904