. Text-book of zoology for junior students. Zoology. Fig. 79.âRotifera. A, Diagrammatic representation of Hydaiirut senta (generalised fi'om Pritcliard): a Depression in tlie ciliated disc leading to the digestive canal ; b Mouth ; c Pharyngeal buUj with masticatory apparatus ; d Stomach ; e Cloaca ; / Contractile Ijladder ; (/g Resjiiratory or water-vascular tuljcs ; h Nerve-ganglion, giving tilanient to ciliated pit (/.â¢); o Ovary, B, Meliccrta ringens (after Gosse). the Rotifera there is a well-developed alimentary canal, which is completely shut off from the general cavity of the body. Th


. Text-book of zoology for junior students. Zoology. Fig. 79.âRotifera. A, Diagrammatic representation of Hydaiirut senta (generalised fi'om Pritcliard): a Depression in tlie ciliated disc leading to the digestive canal ; b Mouth ; c Pharyngeal buUj with masticatory apparatus ; d Stomach ; e Cloaca ; / Contractile Ijladder ; (/g Resjiiratory or water-vascular tuljcs ; h Nerve-ganglion, giving tilanient to ciliated pit (/.â¢); o Ovary, B, Meliccrta ringens (after Gosse). the Rotifera there is a well-developed alimentary canal, which is completely shut off from the general cavity of the body. The mouth (tig. 79, A, h) opens into a dilated chamber or " pharyngeal bulb " ((â ), which contciins a complicated apparatus of horny teeth. The pharynx opens into a capacious stomach (rf), continued into an intestine which terminates by a chamber known as tlie "cloaca" (c), which forms the common outlet for the water-vascular and genera- tive systems. In both sexes there is a well-developed water-vascular system consisting of a contractile clumber or bladder (_f), opening into the cloaca, and giving origin to two complicated tubes which. 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 Nicholson, Henry Alleyne, 1844-1899. New York, American Book Co


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1885