. A first book of zoology [microform]. Zoology; Zoologie. 'â¢'â¦. TIIK FHKSH W ATKU â 'â¢' tho .h«»ll. Thi. i. thr fool, which U an rxtrpâ...|y mu«-ulur orwn hy nu-ann of which the «ni,âa| jm uhlf to p|«u,rh it» way Miowly ovrr the or .an,l. leaving a trail In-himl It hke a .hallow furrow. Whm the eyr».«e.|. fle-hy ,mrt« of the clam are touched, the and «iphon« are rapidly withdrawn into the nhell. and the latter i* tightly cIoimhI â o that one cannot r,...dlly force it o| If the iihell ^'â¢t of adduehr rruutt^. mantU tine Fio. water CUm .howin^ interio
. A first book of zoology [microform]. Zoology; Zoologie. 'â¢'â¦. TIIK FHKSH W ATKU â 'â¢' tho .h«»ll. Thi. i. thr fool, which U an rxtrpâ...|y mu«-ulur orwn hy nu-ann of which the «ni,âa| jm uhlf to p|«u,rh it» way Miowly ovrr the or .an,l. leaving a trail In-himl It hke a .hallow furrow. Whm the eyr».«e.|. fle-hy ,mrt« of the clam are touched, the and «iphon« are rapidly withdrawn into the nhell. and the latter i* tightly cIoimhI â o that one cannot r,...dlly force it o| If the iihell ^'â¢t of adduehr rruutt^. mantU tine Fio. water CUm .howin^ interior of right v»lv«. valves are forced apart, however, there ig seen within the shells two powerful muscles which pass across from valve to valve. One is located towards the anterior and one towards the posterior end of the animal's bo<ly. These are the adductor muHcleH, and are used to draw the two valves together, and to them Hrmly in that position. When these muscles are relaxed, the elastic hin^e causes the valves to ^ape ventrally. Other small will be seen close to these adductors. The former serve to draw out the foot or to retract it aeain. All ^e muscles H n. 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 Burlend, T. H; Cornish, George A. (George Augustus), 1872-1960. Toronto : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1915
