. Bulletin - New York State Museum. Science. 288 NEW YORK STATE MUSEUM states that the number ranges from 26 to 50, each scale bearing a central spine, with others more slender and nearly as long on each side and extending down the base. Mr Johannsen states that the comb of this species consists of from 35 to 40 scales. There is also a difference in the pecten on the air tube, as illustrated by. 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
. Bulletin - New York State Museum. Science. 288 NEW YORK STATE MUSEUM states that the number ranges from 26 to 50, each scale bearing a central spine, with others more slender and nearly as long on each side and extending down the base. Mr Johannsen states that the comb of this species consists of from 35 to 40 scales. There is also a difference in the pecten on the air tube, as illustrated by. 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 New York State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
