Part 99

Peckham, E. G., 116

Peckham, G. W., 116

Peters, A. W., 88

Petersen, C. G. Joh., 61, 63, 64, 136

Petrucci, R., 132

Pierce, W. D., 76, 125, 139

Piersol, W. H., 117

Playfair, J., 80

Porter, J. P., 117

Poulton, E. B., 117

Pratt, F. C., 135

Przibram, H., 96

Pütter, A., 95

Rauschenplat, E., 129

Reighard, J., 39, 63, 117

Reynaud, G., 118

Richards, H. M., 97

Richardson, R. E., 140

Rickard, T. A., 67

Riddle, O., 100

Riley, C. F. Curtis, 118

Riley, C. V., 76, 77, 129, 142

Robertson, C., 142

Rodway, J., 124

Rosenthal, J., 95

Ross, H., 143

Russell, E. S., 63, 101, 139

Ruthven, A. G., 91, 148