. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. V Fig, 62, A & D, Astacus torrcnt'mm; B & E, >1, nohilis; C & F, A. nigrcscens. A—C, 1st abdominal appendage of the male ; D—F, endopodite of second appendage ( x 3). a, anterior, and J, posterior rolled edge; c, d, e, corresponding parts of the appendages in each species ; /, rolled plate of endopodite ; g, terminal division of endopodite. The abdominal plem'a are narrow, equal-sided, and acutely pointed in the males (fig. 61, F) — slightly broader, more obtuse, and with the anterior edges. Please note


. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. V Fig, 62, A & D, Astacus torrcnt'mm; B & E, >1, nohilis; C & F, A. nigrcscens. A—C, 1st abdominal appendage of the male ; D—F, endopodite of second appendage ( x 3). a, anterior, and J, posterior rolled edge; c, d, e, corresponding parts of the appendages in each species ; /, rolled plate of endopodite ; g, terminal division of endopodite. The abdominal plem'a are narrow, equal-sided, and acutely pointed in the males (fig. 61, F) — slightly broader, more obtuse, and with the anterior edges. 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 Huxley, Thomas Henry, 1825-1895. New York, D. Appleton and company


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Keywords: ., bookauthorhu, bookcentury1800, bookdecade1880, booksubjectzoology