00415nam a2200145   4500008004100000020001500041050002300056100002300079245001300102250001200115260004400127300003400171504005100205650001300256150904b        xxu||||| |||| 00| 0 eng d  a0721690238  aQH 308.2 .V55 1977  aVillee,  Claude A.  aBiology/  a7th ed.  aLondon:bW. B. Saunders company,c1977.  axviii, 980 p.:bill.;c25 cm.  aIncludes bibliographical references and index.  aBiology.