Index 277 



Irwin, W. H., 46 



Issaquah River (Wash.), 223 



Jackson, C. F., 166 



James, Marian F., 123 



James, M. C, Meehean, O. L., and 



Douglas, E. J., 45, 189 

 Jenkins, Robert M., 9, 108 

 Johannes, R. E. and Larkin, P. A., 118 

 Jordan Creek ( Illinois ) , 234 

 Juday, C, Schloemer, C. L., Livingston 



C, 5 

 fertilizers in water, 5 



Keokuk, Lake, 9 

 King, Willis, 17, 265 

 Knight, John Alden, 242 

 Krumholz, L. A., 108, 110, 142 



Lagler, K. F. and DeRoth, G. C, 111, 



189, 244 

 Lake, 



basis for separation from pond, 20 



definition of, 20 

 Lakes, artificial, 



kinds of, 15 



limited biota of, 15 



migration of biota into, 15 



motivation for construction of, 16 



multipurpose, 16 



planning of, 29 



water-control problems of, 30 

 Lake improvement, 6 



"The improvement of lakes for fish- 

 ing," 6 

 Lamprey, sea, 185 



in the Great Lakes, 185 

 Langlois, T. H., 



fish production in L. Erie, 1 

 Larimore, R. W., 89, 108, 119, 121 

 Larkin, P. A., 235 

 Lateral-levee reservoirs, 



characteristics of, 22 



origin of, 22 

 Learning to fish, 246 

 Learning, 



to avoid baited hook, 244 

 Legal restrictions, 



closed seasons, 209 



creel limits, 209 



size limits, 208 

 Leonard, J. W., 118, 142 

 Leopold, Aldo, 249 

 Lethal temperatures, 



for bass, bluegills, and yellow perch, 

 227 

 Life span, of fishes, 201, 202 



Light sensitivity, of fishes, 217 

 preference for darkness, 218 

 Lindane, 148 

 Lonchocurpus, 142 

 Lux, F. E. and Smith, L. L., Jr., 195 



Malathion, 148 

 Management, fish, 



definition of, 1 



early attempts at, 5 



"The improvement of lakes for fish- 

 ing," 6 



integrated science of, 2 



manipulation of wild populations, 2 



master plan of, 1 



objectives of, 131 



techniques of, 140 



"wild" fish, 2 

 Management of sport fish, 



commercial fishing in, 196 

 Markus, H. C., 5, 72 

 Martin, R. G., 193 

 Median tolerance limit, 148 

 Mendota, Lake (Madison, Wise), 231 

 Meredosia Bay (Illinois), 232 

 Methoxychlor, 148 

 Methyl parathion, 148 

 Migration in fishes, 



theories of, 236 

 Migrations of salmons, 236, 237 

 Miller, R. B., 235 

 Minnows, bluntnose, 



odor sensitivity of, to phenols, 222 

 Minnow seine method, 



criticisms of, 136 



pond analysis critera, 136 

 Morphohne, 223 

 Mortality, 



as related to recruitment, 207 



of bass at Ridge Lake, 204-206 



rates of some game and panfish, 207 



various rates of, for Indiana bluegills, 

 204 

 Mortality, fishing, 183 



angling vs. natural predation, 183 



unimportance in population dynamics, 

 208 

 Mortality, natural, 183, 199 



calculation of, by returns of marked 

 fish, 203 



definition of, 199 



problems of measuring, 202 



relation to fishing mortality, 203 

 Mortality, total, 



a combination of fishing and natural 

 mortality, 187 



range of, in Indiana lakes, 203 



