591 SINGHA, ARUP KUMAR SAMAKALIN PRANIBIDYA (BEN ) / / A.K .SINGHA & S . ADHIKARI. - KOLKATA: : NEW CENTRAL BOOK AGENCY,, 1982. 2 VOLS.. : PAPER BACK 2ND ED / ; 4TH ED / 1988 / ; NEW ED / 1994 ; REV ED / 1997 / 683+. Content notes : V . 1: SP. xx , 688 P. (2ND ED) V . 2: SP. xii , 629 P. (2ND ED ) : 100/- * ZOOLOGY. * ADHIKARI, SIMANANDA * Title