. The butterfly book; a popular guide to a knowledge of the butterflies of North America. With 48 plates in color-photography, reproductions of butterflies in the author's collection, and many text illustrations presenting most of the species found in the United States. Butterflies -- North America. The Life-History and Anatomy of Butterflies plete tube, which is known as the proboscis, and which, when not in use, is curled up spirally, looking like a watch-spring. At. Fig. 30.—Cross-section of the sucking-tube of the milkweed butterfly, to show the way in which the halves unite to form a cent
. The butterfly book; a popular guide to a knowledge of the butterflies of North America. With 48 plates in color-photography, reproductions of butterflies in the author's collection, and many text illustrations presenting most of the species found in the United States. Butterflies -- North America. The Life-History and Anatomy of Butterflies plete tube, which is known as the proboscis, and which, when not in use, is curled up spirally, looking like a watch-spring. At. Fig. 30.—Cross-section of the sucking-tube of the milkweed butterfly, to show the way in which the halves unite to form a central canal (c): tr, trachea, or air- tubes; n, nerves; in, m$, muscles of one side. (Magnified 125 diameters.) (Burgess.) the upper end of the proboscis, in the head, is a bulb-like en- largement, in the walls of which are inserted muscles which have. 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 Holland, W. J. (William Jacob), 1848-1932. Garden City, N. Y. , Doubleday, Page
Size: 2189px × 1142px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublishergarde, bookyear1922
