424 



Index of names of persons. 



Nageli, 185 

 Naumann, 365 

 Neumann, 167 

 Newton, 129 

 Niven, W. D., 302 

 Nussbaum, 74 



Oliver, 293 



Pain, W. E., 77 



Pappus, 15 



Payer, 293 



Pearson, J. B., 19, 36, 93, 96, 205, 229, 



254, 313 

 Pearson, W., 234 

 Peirce, 38, 43 

 Pethenkofer, 132 

 Petzold, 392 



Pfeffer, 267, 270, 271, 392 

 Pilkington, 274, 276 

 Ploucquet, 38, 44, 47, 52, 54 

 Poggendorf, 229 

 Potter, M. C, 331, 334 

 Prescott, 101 



Prestwich, J., 141, 143, 149 

 Priestley, 132 

 Pringsheim, 355 

 Ptolemy, 94 

 Purkinge, 298 



Radau, 230 



Rayleigh, Lord, 17, 197, 198, 205, 236, 



321, 324 

 Reichenbach, 285, 291, 294 

 Ridout, 17 



Riemann, 4, 208, 309 

 Roscoe, 101 

 Ross, Major, 238 

 Roy, C. S., 110 

 Rudberg, 232 

 Ruskin, 73 



Sachs, 267, 268, 270, 351, 359, 388, 



392, 395 

 Salkowski, 203 

 Samways, D. W., 299 

 Sandberger, 147 



Sanderson, F. W., 306 



Schacht, 285, 290, 293, 359 



Schell, 391 



Setoff, 389 



Schifi'er, J., 202, 204 



Schimper, 391 



Schleiden, 285, 291, 292, 298 



Schmitz, 355, 359 



Schrauf, 240 



Schreber, 297 



Schroder, 51 



Schroder, 243 



Schultzen, 203 



Schuster, A., 77 



Schiitzenberger, 169 



Scott, A., 185 



Scott, R. F., 325 



Sedgwick, A. (Prof.), 140 



Sedgwick, A., 325 



Segner, 37, 41, 46 



Siebeck, 83 



Sing, E. J., 93 



Smith, H. J. S., 319 



Smith, W. W., 77 



Smyth, Warrington, 240 



Solly, R. H., 336 



Sowerby, 154 



Sproat, 73 



Stearn, H. T., 129 



Stenhouse, 389 



Sterry-Hunt, 129 



Strada, 96 



Strasburger, 295, 355, 405 



Strasburger, E., 344 



Strecker, 389 



Stokes, G. G., 232, 361 



Struver, 408 



Tawney, E. B., 59, 140 

 Taylor, C, 14 

 Taylor, Sedley, 18 

 Thomson, Dr., 50, 55 

 Thomson, J. J., 155, 159, 166 

 Thomson, Sir W., 14, 137, 312 

 Tiemann, 171 

 Tvndall, 17 



