Mellanby, Helen.
Animal life in fresh water : a guide to fresh-water invertebrates / by Helen Mellanby ; with a foreword by L. E. S. Eastham. - 6th ed., revised and reset. - London : Chapman and Hall, c1975. - xi, 308 p. : ill. ; 19 cm. - Science paperbacks ; 120 .
Distributed in the U.S.A. by Halsted Press, a division of J. Wiley, New York.
Includes bibliographies and index.
0412213605 : £2.70
75017181
GB76-04063
Freshwater animals.
QL141 / .M4 1975
592 / MEA
Animal life in fresh water : a guide to fresh-water invertebrates / by Helen Mellanby ; with a foreword by L. E. S. Eastham. - 6th ed., revised and reset. - London : Chapman and Hall, c1975. - xi, 308 p. : ill. ; 19 cm. - Science paperbacks ; 120 .
Distributed in the U.S.A. by Halsted Press, a division of J. Wiley, New York.
Includes bibliographies and index.
0412213605 : £2.70
75017181
GB76-04063
Freshwater animals.
QL141 / .M4 1975
592 / MEA