- Palaeechinus, 663
- Palm, 624
- Pander, C. H., 55
- Pangenesis, 44, 157
- Papillon, Fernand, 10
- Pappus of Alexandria, 328
- Parabolic girder, 693, 696
- Parahippus, 767
- Paralomis, 744
- Paraphyses of mosses, 351
- Parastichies, 640, 641
- Passiflora, pollen of, 396
- Pasteur, L., 416
- Patella, 561
- Pauli, W., 211, 434
- Pearl, Raymond, 90, 97, 654
- Pearls, 425, 431
- Pearson, Karl, 36, 78
- Peas, growth of, 112
- Pecten, 562
- Peddie, W., 182, 272, 344, 448
- Pellia, spore of, 302
- Pelseneer, P., 570
- Pendulum, 30
- Peneroplis, 606
- Percentage-curves, Minotãs, 72
- Pericline, 360
- Periploca, pollen of, 396
- Peristome, 239
- Permeability, magnetic, 177, 182
- Perrin, J., 43, 46
- Peter, Karl, 117
- Pettigrew, J. B., 490
- Pfeffer, W., 111, 273, 688
- Pflû¥ger, E., 680
- Phagocytosis, 211
- Phascum, 408
- Phase of curve, 68, 81, etc.
- Phasianella, 557, 559
- Phatnaspis, 482
- Phillipsastraea, 327
Table of Contents
INDEX.
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