. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. ; plh.\2 arh.\2 p. ar (im Fig. 4.—Astacus flnvuttilis.—In A, the gills, exposed by the removal of the branchio- stegite, are seen in their natural position ; inB, the podobranchise (see p. 75) are re- moved, and the anterior set of arthrobranchise turned doAvnwards ( x 2): 1, eye-stalk ; 3, antennule ; 3, antenna ; U, mandible : 6, scaphognathite ; 7, first niaxillipede, inB the epipodite. to which the line points, is partly removed ; 8, second niaxillipede : 9, third maxillipede ; 10, forceps ; lU, foiir
. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. ; plh.\2 arh.\2 p. ar (im Fig. 4.—Astacus flnvuttilis.—In A, the gills, exposed by the removal of the branchio- stegite, are seen in their natural position ; inB, the podobranchise (see p. 75) are re- moved, and the anterior set of arthrobranchise turned doAvnwards ( x 2): 1, eye-stalk ; 3, antennule ; 3, antenna ; U, mandible : 6, scaphognathite ; 7, first niaxillipede, inB the epipodite. to which the line points, is partly removed ; 8, second niaxillipede : 9, third maxillipede ; 10, forceps ; lU, foiirth ambulatory leg ; 15, first abdominal appendage; xv., first, and xvi., second abdominal somite; arh. 8, arh. 9, arh. 13, the posterior arthrobranchise of the second and third maxillipedes and of the third ambulatory leg ; arb'. 9, arh'. IS, the anterior arthrobranchise of the third maxillipede and of the third ambulatoiy leg ; phd. 8, podobranchise of the second maxillipede ; phd. 13, that of the third ambulatory leg; -plh. 12, jilb. 13, the two rudimentary pleurobranchiw; plh. lU, the functional pleurobranchia ; r, 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
