The encyclopdia britannica; a dictionary of arts, sciences, literature and general information . ral, Z, Extremity of intestine. 5, Ventral adjustors. N, Dorsal valve, a. Adductor. 6, Peduncular muscles. /, Loop. c, Divaricators. b. Dorsal adjustors. V, Mouth. c. Accessory divaricators. P, Peduncle. of the_ peduncle, and to become attached bj; one pair of their ex-tremities to the ventral valve, one on each side and a little behindthe expanded base of the divaricators. The function of these musclps,according to the same authority, is not only that of erecting the shell;they serve also to_ atta
The encyclopdia britannica; a dictionary of arts, sciences, literature and general information . ral, Z, Extremity of intestine. 5, Ventral adjustors. N, Dorsal valve, a. Adductor. 6, Peduncular muscles. /, Loop. c, Divaricators. b. Dorsal adjustors. V, Mouth. c. Accessory divaricators. P, Peduncle. of the_ peduncle, and to become attached bj; one pair of their ex-tremities to the ventral valve, one on each side and a little behindthe expanded base of the divaricators. The function of these musclps,according to the same authority, is not only that of erecting the shell;they serve also to_ attach the peduncle to the shell, and thus effectthe steadying of it upon the peduncle. By alternate contractingthey can cause a slight rotation of the animal in its stalk. Such is the general arrangement of the shell muscles in the divi-sion composing the articulated Brachiopoda, making allowance forcertain unimportant modifications observable in the animals com-posing the different families and genera thereof. Owing to the strongand tight interlocking of the valves by the means of curved teeth.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
