590
M996     Mayr, Ernest

               Methods and principles of systematic zoology / Ernest Mayr, E. Gorton Linsley and Robert L. Usinger/edited by E. J. Boell . - New York : McGraw-Hill Book,1953 . - ix,328p.; fig. . - McGraw-Hill Publications in the zoological sciences .

               Includes bibliography & index

Central Inland Fisheries Research Institute

CIFRI