. A manual of zoology. Zoology. HYDROZOA 215 the development, which usually includes an alternation of generations. From an egg of a medusa a small ciliated embryo {planula) escapes, which becomes attached, develops mouth and tentacles, and, by budding, produces a hy droid colony. This colony lacks sexual organs. By budding. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John S
. A manual of zoology. Zoology. HYDROZOA 215 the development, which usually includes an alternation of generations. From an egg of a medusa a small ciliated embryo {planula) escapes, which becomes attached, develops mouth and tentacles, and, by budding, produces a hy droid colony. This colony lacks sexual organs. By budding. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929, ed. and tr. New York, H. Holt
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
