. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. 166 THE MORPHOLOGY OF THE COMMON CRAYFISH. The second maxillipede (fig. 45, B) has essentially the same composition as the first, but the exopodite (ex) is relatively larger, the endopodite {ip—dp) smaller and softer; and, while the ischiopodite (ip) is the longest joint in the third maxillipede, it is the meropodite (mp) which is longest in the second. In the first maxillipede. Fig. 45.—AstacHs fluviatilis.—K, the first; B, the second maxillipede of the left side (x 3). cx^y^ coxopodite ; hj), basipodite ; e, hi', po-


. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. 166 THE MORPHOLOGY OF THE COMMON CRAYFISH. The second maxillipede (fig. 45, B) has essentially the same composition as the first, but the exopodite (ex) is relatively larger, the endopodite {ip—dp) smaller and softer; and, while the ischiopodite (ip) is the longest joint in the third maxillipede, it is the meropodite (mp) which is longest in the second. In the first maxillipede. Fig. 45.—AstacHs fluviatilis.—K, the first; B, the second maxillipede of the left side (x 3). cx^y^ coxopodite ; hj), basipodite ; e, hi', po- dobranchia ; ej), epipodite; en, endopodite; f;r,exopodite ; ijp, is- chiopodite ; tiqj, meropodite ; cjJ, carpopodite ; pp, propodite ; dp^ dactylopodite. (fig. 45, A) a great modification has taken place. The coxopodite {cxp) and the basipodite (hp) are broad thin jolates^with setose cutting edges, while the endopodite {en) is short and only two-jointed, and the undivided portion of the exopodite {ex) is very long. The place of. 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