INDEX, 
711 
Photomicrograph^ Apparatus, Gaylord's 
Complete, 654 
Reichert’s Low Power, 658 
Photomicrographs, 242 
— in Natural Colours, 676 
Photomicrography, Microscope by Zeiss 
for, 674 
— Spitta’s, 226 
— . See Contents, xxx 
Phyllactinia, 517 
Pijyllophora and Actinococcus, 627 
Phyllotaxis, Law of, 408 
Physiology of Phanerogams. See Con- ; 
tents, xxi 
Phytostatic Law of Branching, 173 
Pictet, Arnold, Parasites of Caterpillars, i 
156 
Picton, L. J., Coelom and Vascular System 
in Leech, 600 
Piepers, M. C., Colour-Evolution in the 
Pieridse, 29 
Pigment-formation in Lamellibranchs, 28 
in Wings of Butterflies, 388 
of Fluorescing Bacteria, 522 
— of Blue Coral, 398 
Pigments, Chlorophylloid, 27 
— New Group of Anilin, and their Applic- i 
ability to Tissue Staining, 547 
— New Vegetable, for Microscopical Tech- 
nique, 547 
— of Fungi, Staining Protoplasm with, 
192 
Pillisclier’s International Microscope, 77 
Pilotrichopsis g. n., 416 
Pilsbry, H. A., Functions of the Radula, 
154 
Pinus, Cell-Division in, 169 
Pinus Lctricio , Oogenesis, 409 
Piorkowski, — ., Hot Staining Bath, 109 
— Simple Method for Detecting the ' 
Typhoid Bacillus, 348 
Pipette, Automatic Measuring, 229 
Pirotta, R , Stomates of Cynomorium, 296 ; 
Pitard, — ., Interruptions of the Axile i 
Symmetry in Pedipels, 295 
Pitlield, R. L., Widal's Reaction with a j 
Measured Quantity or Blood, 6^2 
Pitfield’s Method for Staining Flagella, 
Modification of, 235 
Pizon, Antoine, Coloration of Tuuicates, 
586 
— Life of a Tunicate Colony, 26 
Placental Fibrovascular Bundles of Pri- ! 
mula, 293 
Plague Bacillus, Staining, 347 
— Bacteriological Diagnosis, 670 
Planaria, Regeneration. 490 
Plankton-Algse, New Genera, 186 
— Flagellata, New Preservative Method 
for, 445 
— Fungus, 422 
— of Lake Geneva, Variations in, 382 
— of Swiss Lakes, 383 
Plankton of the Oder, 583 
— Searcher, 1 1 1 
Planktonemertes g. n., 602 
Plasmolysing Agents, Physiological Effect 
of, 183 
Plateau, F., Relation between Insects and 
Flowers, 298 
Platyhelminthes. See Contents, xv 
Pleodorina illinoisensis sp. n., 62 
Pleurocarpic Mosses, Classification, 305 
Pleurococcus vulgaris, Cultivating, 100 
Plimmer, H. G., Organism of Tsetse Fly 
Disease, 608 
— Organisms isolated from Cancer, and 
their Pathogenic Effects on Animals, 
313 
Pneumathodes and Aerenchyme, 171 
Pneumococcus and Sleeping Sickness, 525 
— Varieties and Virulence, 73 
Pocket Microscope, Reichert’s New, 432 
Pocock, R. I.. Habits, History, and Species 
of Pcecilotheiia, 157 
— New Stridulating Spider, 280 
Podophyllum peltatum, 618 
Podwyssotzky, W , Influence of Lecithin 
on the Biology of Anthrax, 70 
Poecilotheria, Habits, History, and Species, 
157 
Poison-Gland in Scolopendra, Histogenesis, 
157 
of Snake, Development, 469 
Polarising Hand Microscope, Reichert’s, 
432 
— Microscope, Reichert’s New, 432 
Pollacci, G., Microchemical Test for Phos- 
phorus, 552 
Pollen, Biology, 411 
— Formation in Magnolia, 48 
— - Grain and Embryo-Sac, Development 
in Bignonia, 410 
Development in Symplocarpus and 
Peltandra, 504 
— Tubes, Curved, Accumulation of Proto- 
plasm in, 44 
Polychsetes, Eyes, 487 
— of Brest and Paimpol, 598 
Polymorpby of the Spruce Fir, 49 
Polyzoa, Method for Exhibiting, 456 
Pomese, Wood, 405 
Pond and Lake, 382 
Pond-Life, Exhibition, 355, 356 
Pontobdella, Habits, 37 
Pontoniidse, Revision of, 35 
Popta, C. M. L., Structure of Hemiasci, 310 
Porifera. See Contents, xvii 
Post-embryonic Development of Entomo- 
phagous Hymenoptera, 594 
of Striped Muscle, 149 
Post-larval Stages of Aren cola, 36 
Potonie, H., Morphological Origin of the 
Leaf, 617 
Poultou, E. B., Natural Seltction and 
Mimicry, 272 
