. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. Ill Dcscriprive Zoology. i t the inner wall of the outer gill joining the upper edge of the outer wall of the inner gill, while the upper edge of the inner wall of the inner gill is sometimes attached to the body or •ometimes free. Lack of the body the upper edges of the inner gills of the two sides unite with each other, thus sepa- rating the lower, or gill, cavity, into which the water first. Fig. 68. Clam, Side View. Water currenu to the mouth and through the gilla. enters, through the lower siphon, from the upp
. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. Ill Dcscriprive Zoology. i t the inner wall of the outer gill joining the upper edge of the outer wall of the inner gill, while the upper edge of the inner wall of the inner gill is sometimes attached to the body or •ometimes free. Lack of the body the upper edges of the inner gills of the two sides unite with each other, thus sepa- rating the lower, or gill, cavity, into which the water first. Fig. 68. Clam, Side View. Water currenu to the mouth and through the gilla. enters, through the lower siphon, from the upper or cloacal, chamber, from which the water passes out The question presents itself, " How does the water pass from the one cavity into the ; The sides of the gills are perforated, so much so that they are compared to a sieve or trelliswork. The vibrations of the myriads of cilia with which the gills are covered drive "'^."-^^ TtJfW^- f*^j mr.^ i^im^:m^>. 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 Colton, Buel P. (Buel Preston), 1852-1906. Toronto : Copp, Clark
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1903
