. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. GILLS IN POSITION GILLS PULLED DOWN Fig. 109.—The gills and gill chamber of a lobster. The shield that covers the gill chamber has been cut away. water through the gill chamber. In some of the members of the class Arachnida, the spiders, membranous folds in sacs, arranged like £-/? INTESTINE ovApy HEART. BOOK LUNG SPINNING GLANDS PULMONARY SAC Fig. 110.—A diagrammatic long section through the abdomen of a spider to show the position of the book lungs. (After Leukart, with modifications af
. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. GILLS IN POSITION GILLS PULLED DOWN Fig. 109.—The gills and gill chamber of a lobster. The shield that covers the gill chamber has been cut away. water through the gill chamber. In some of the members of the class Arachnida, the spiders, membranous folds in sacs, arranged like £-/? INTESTINE ovApy HEART. BOOK LUNG SPINNING GLANDS PULMONARY SAC Fig. 110.—A diagrammatic long section through the abdomen of a spider to show the position of the book lungs. (After Leukart, with modifications after Warburton.) pages in a book, form what are called book lungs (Fig. no). In the class Insecta, the insects, and in some spiders, an entirely differ- ent type of respiratory system occurs, consisting of a set of tubules. 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 Buchanan, James William, 1888-. New York, London, Harper & brothers
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Keywords: ., bookcentury1900, bookpubl, booksubjectbiology, booksubjectzoology
