632 
INDEX. 
Peristome of Mosses, Hygroscopic Mechan- 
ism, 560 
Swelling of, 22f 
Peritoneal Ostioles, 197 
Perkins, G. D., Pathogenic Bacillus found 
in Ice-Creams and Cheese, 241 
Permanent Specimens, Rapid Method of 
Making from Frozen Sections, by Use 
of Formalin, 344 
Permeability of the Skin, 3G1 
Perovulatre, 313 
Perrier, E., Asteroidca of the North At- 
lantic, 296 
— R., Elasipoda of the ‘ Travailleur ’ and 
‘ Talisman,’ 43 
Perrot. E., Leaves of Aquatic Gentianacese, 
405 
Pertusariege, 322 
Pertussis, Bacteriology of, 576 
Pesena, — Associated Action of Bacteria, 
64 
Petersen, C. G. J., Life-History of the Eel, 
192 
Petiole of Quereus, 51 
PfefFer, W., Formation of Diastase, 312 
— Influence of the Nucleus on the Forma- 
tion of the Cell-Wall, 302 
— Loose Combination of Oxygen in cer- 
tain Bacteria, 156 
— Temporary Suspension of the Action 
of Chlorophyll, 220 
Pfeiffer, II., Double-Staining Vegetable 
Tissue, 592 
Pfuhl, E., Simple Method for the Sero- 
Diagnosis of Enteric Fever, 172 
Phseomarasmius, 565 
Phfeophacidium, 565 
Phseosporese, Reproduction, 226, 227 
Phagocytes and Microbes, Staining of, 
450 
Phagocytic Organs in Marine Annelids, 
385 
Phagocytosis by Blood-Plates, 23 
Phanerogamia. See Contents, xviii 
Phelloderm, Origin and Distribution of, 
545 
Phosphorescence, Animal, Physical Basis, 
199 
— of Cypridina Hilgendorfii, 384 
Photomechanical Changes in Retinal Pig- 
ment-Cells of Palaemonetes, 284 
Photometric Determination of Heliotropic 
Constants, 347 
Photomicrograph v. Microphotograph, 339 
Photomicrographs, 170 
Photomicrography. See Contents, xxxi 
— Advances in, 338, 339 
— Application of the Electric Arc to, 600 
A Simple Method of, 164, 180 
Simple Apparatus for, 582 
— Systematic, 441 
Phreatoicopsis, 533 
Phrynid®, Development, 379 
Pliycomyces, Growth and Curvature of, 
312 
Phyllantheae, Stem and Leaf, 50 
Phyllocarpy, 144 
Phylogeny and Ontogeny, 273 
Physarum and Cribraria, 62 
Physiology of Phanerogams. See Con- 
tents, xxi 
Pickard, O., New Spiders, 202 
Picrocarmine, 449 
| Piersig, R., Hydraehnida of Germany, 
122 
Pieters, A. J., Influence of Fruit-bearing 
on the Development of Mechanical Tis- 
sues, 135 
Pigment, Red, of Flowering Plants, 399 
— -Cells, 22J 
forming Micrococcus from Red Milk 
211 
Pigmentary Functions of Bacillus pyocy- 
aneus, 67 
Pigmentation of Salamander Larvae. Influ- 
ence of Heat and Light on, 19, 195 
Pigments of Lobster, 283 
i — of Plants, 214 
l Pilinia and Stigeoclouium, 14S 
Pim, G., Parasitic Fungus, 230 
Pines, Growth of, 52 
Pintner, Th., Studies on Tetrarhyncha, 
389 
Piperacese, Structure, 402 
Placenta of Weasel, 190 
Plague Bacilli, Dissemination by Insects, 
577 
— Bacillus, 326, 426 
Demonstrating Presence of Flagella, 
588 
— Bacteriology, 239 
— Serum, Preparing, 24S 
Planarian, Remarkable New, 293 
Planarians, New Land, 537 
Planchon, L., Opening of the Flower of 
(Enothera, 215 
Plankton of Faeroe Channel, 199 
j — -Flora of the Swiss I aikes, 31 4 
— Lamellibranehs, 527 
— Methods, 442 
— Pump, 199 
— Variation of, 199 
Plasmic Processes emitted from Serpula 
Eggs, 535 
Plasmocytes, 271 
Plasticity of Cerebral Neurones, 272 
Plate, L. “ Septibranchial ” Bivalves, 527 
Plate Modelling, 176 
Plateau, F., How Flowers attract Insects, 
121 
Plato, J., Function of Interstitial Cells of 
Testis, 23 
Platyhelminthes. See Contents, xvi 
Plehn, Marianne, Three New Polvelads, 
294 
Pleomorphism of Fungi, 564 
