. An introduction to the study of zoology. Zoology. CCELENTERATA. 149 While we call this a larva, it must be remembered that it is equivalent to a stage which is still enclosed in the egg, in higher and more slowly growing animals. The beginner must guard against the mistake of sup- posing that all larvse are equivalent: the larva of a higher form, on the contrary, usually represents the. Fig. 30.—Specimens of the Brown or Long-armed Hydra, Hydi-a /usca, ad - herin^ to a bit of wood: a, several individuals, natural size; 6, an individual with two asexaally produced buds, enlarged. adult stage
. An introduction to the study of zoology. Zoology. CCELENTERATA. 149 While we call this a larva, it must be remembered that it is equivalent to a stage which is still enclosed in the egg, in higher and more slowly growing animals. The beginner must guard against the mistake of sup- posing that all larvse are equivalent: the larva of a higher form, on the contrary, usually represents the. Fig. 30.—Specimens of the Brown or Long-armed Hydra, Hydi-a /usca, ad - herin^ to a bit of wood: a, several individuals, natural size; 6, an individual with two asexaally produced buds, enlarged. adult stage of a lower form, from some variety of which, accoi-ding to the principles explained on p. 55, it is then supposed to be descended. One of the simplest forms of the Ccslenterate animal is found in Hydra, the fresh-water polyp (p. 131). Colonial or Compound Animals. The most remarkable feature of this group is the tendency to de-. 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 Lindsay, B. London, S. Sonnenschein
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
