000 00551pam a2200229a 44500
008 161010b1887 xxu||||| |||| 00| 0 eng d
020 _a
082 _a572.9 spe/fac
090 _a
100 _aSpencer Herbert
110 _a
245 _aFactors of organic evolution
_b
246 _a
250 _a
260 _aLondon
_bWilliams
_c1887
300 _aIv, 76; 22cms.
500 _aB
500 _a
520 _a
906 _a
999 _c146280
_d146280