. Echoes of bats and men. Sound-waves; Echolocation (Physiology); Orientation. ⢠''â N _^ -->. s / / / 7-' ^â--, / / _^,â- A â ' TREE TRUN-K I ! *â¢-. \ N \ ^ / / *. Ffg. 76^. fF/ien the wave length is greater than the size of the object {here a tree trunk), the echo, or scattered sound moves out in all directions. The solid lines indi- cate the original sound, the dashed lines the echoes, and the width of the lines the intensity of sound. 79. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearan
. Echoes of bats and men. Sound-waves; Echolocation (Physiology); Orientation. ⢠''â N _^ -->. s / / / 7-' ^â--, / / _^,â- A â ' TREE TRUN-K I ! *â¢-. \ N \ ^ / / *. Ffg. 76^. fF/ien the wave length is greater than the size of the object {here a tree trunk), the echo, or scattered sound moves out in all directions. The solid lines indi- cate the original sound, the dashed lines the echoes, and the width of the lines the intensity of sound. 79. 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 Griffin, Donald R. (Donald Redfield), 1915-. Garden City, N. Y. : Anchor Books
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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectorientation
