. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. 262 COMPARATIVE ZOOLOGY. most part, naked Sea-slugs, a few only having a small shell. The feathery gills are behind the heart (whence the name). They are found in all seas from the arctic to the torrid, generally on rocky coasts. AYheii disturbed, most of them draw themselves up into a lump of jelly. 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 o
. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. 262 COMPARATIVE ZOOLOGY. most part, naked Sea-slugs, a few only having a small shell. The feathery gills are behind the heart (whence the name). They are found in all seas from the arctic to the torrid, generally on rocky coasts. AYheii disturbed, most of them draw themselves up into a lump of jelly. 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 Orton, James, 1830-1877. New York, Harper and brothers
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology
