. Boston park rangers nature book. Nature conservation; Open spaces; Natural history; Urban ecology. Crayfish (Cambarus bartoni) A relative of the lobster, crab, and shrimp, these crustaceans have an exoskeleton (outside skele- ton) which protects them against predators. They can be observed along the rocky shallows of Jamaica Pond, using their large claws to obtain food. 19. 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


. Boston park rangers nature book. Nature conservation; Open spaces; Natural history; Urban ecology. Crayfish (Cambarus bartoni) A relative of the lobster, crab, and shrimp, these crustaceans have an exoskeleton (outside skele- ton) which protects them against predators. They can be observed along the rocky shallows of Jamaica Pond, using their large claws to obtain food. 19. 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 Reo, Joy; Ozella, Bruce, ill; Boston (Mass. ). Parks and Recreation Dept. [s. n. ]


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Keywords: ., book, bookcentury1900, bookpublishersn, booksubjectnaturalhistory