. The crayfish : an introduction to the study of zoology . Crayfish. 56 THE PHYSIOLOGY OF THE COMMON CRAYFISH. a broad plate, haiiy on its inner surface, which enters into the lateral wall of the cardiac chamber. There are various other smaller skeletal parts, but the most im-. FiG. 10.âAstacusjiiiriatilis.âLongitudinal section of the stomach (x 4) c,cardiac ossicle; ca', ca;cum; }.v, cardio-pyloric valve; cs, cushion- shaped surface ; Jig, hind-gut; hj}, aperture of right bile duct; Ip, lateral pouch; It, lateral teeth ; mg, mid-gut; mt, median tooth ; , oesophagus ; p, pyloric ossicle
. The crayfish : an introduction to the study of zoology . Crayfish. 56 THE PHYSIOLOGY OF THE COMMON CRAYFISH. a broad plate, haiiy on its inner surface, which enters into the lateral wall of the cardiac chamber. There are various other smaller skeletal parts, but the most im-. FiG. 10.âAstacusjiiiriatilis.âLongitudinal section of the stomach (x 4) c,cardiac ossicle; ca', ca;cum; }.v, cardio-pyloric valve; cs, cushion- shaped surface ; Jig, hind-gut; hj}, aperture of right bile duct; Ip, lateral pouch; It, lateral teeth ; mg, mid-gut; mt, median tooth ; , oesophagus ; p, pyloric ossicle ; pc, pterocardiac ossicles ; pj), prepy- loric ossicle ; i(c, urooardiac process ; â !)', median pyloric valve; v\ lateral pyloric valve; a;, position of gastrolith; zc, zygocardiac ossicle. portant are those which have been described; and these, from what has been said, will be seen to form a sort of hexagonal frame, with more or less flexible joints at the angles, and having the anterior and the posterior sides. 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. London : Kegan Paul, Trench, TruÌbner & Co.
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Keywords: ., bookauthorhuxleyth, bookcentury1900, bookdecade1900, bookyear1906
