. A manual of elementary zoology . Zoology. HYDRA AND OBELIA. POLYPS AND MEDUSA. 175. --ect. -end. perith. Fig. 109.—Part of a colony of Obelia, magnified. bl., Blastostyle ; ect., ectoderm ; end., endoderm ; gtk., gonotheca ; hyth., hydrotheca med., medusa bud ; , polyp bud ; ferith., 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 Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodde
. A manual of elementary zoology . Zoology. HYDRA AND OBELIA. POLYPS AND MEDUSA. 175. --ect. -end. perith. Fig. 109.—Part of a colony of Obelia, magnified. bl., Blastostyle ; ect., ectoderm ; end., endoderm ; gtk., gonotheca ; hyth., hydrotheca med., medusa bud ; , polyp bud ; ferith., 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 Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodder & Stoughton
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
