000 00338 a2200121 4500
008 190228b xxu||||| |||| 00| 0
100 _aNeedham
245 _aA guide to the study of freshwater biology
_cNeedham, Needham
260 _bIthaca Newyork Comstock Publishing Co. Inc.
_c1938
300 _a256p.
700 _aNeedham
942 _2ddc
_cBK
999 _c9413
_d9413