INDEX. 



881 



rhotomicrographic Apparatus, Leitz's 

 Small, 540 



Photomicrographs, Instantaneous, Simple 

 Method of Obtaining, 19 



Photomicrography, Instantaneous Expo- 

 sure, 7-1 



— Low-Power, with Special Relation to a 



Colouring Method for Tinting Lantern 

 Slides, 419 



— Practical, Barnard's, 545 



— Simple Object-holder : Tables of Mag- 



nifications, 103 



— Stereoscopic, 816 



— Use of Metallic Electric Arc, 21 



— with the Microscope standing iu any 



Position, especially in Inclined 

 Position, Apparatus, 423, 588 

 — W ratten and Wainwright's, 103 



— See Contents 



Photophores of Decapod Crustacea, 45 

 Phototropism and Geotropism, in Fungi, 



396 

 Phryganea grandis, Study, 750 

 Phycocyanin, Phycoerytherin and, 7S4 

 Phycoerytherin and Pnycocyanin, 784 

 Phycomycetes, Danish, 77 

 Phylliroe bucephala, 39 

 Minute Structure, 196 



— Glands and Luminescence, 196 

 Phyllopod, New Antarctic, 47 

 Phyllopoda Anostraca, Monograph, 46 

 Phylogeny of Algae, 498 



— of Cerithiidae, 356 

 Physalosporiua, a New Genus of Pyreno- 



mycetes, 671 

 Physcia and Anaptychia, Apothecial De- 

 velopment, 401 

 Physiology of Seed Plants. See Contents 

 Phytophthora, Experiments, 507 

 Phytoplankton of the Caspian Sea, 71 



— of the Zeller See, 388 



— Periodicity, of Leopoldstein Lake, 660 

 Picramic Acid, Use for Staining, 118 

 Pieron, H., Physiology of Sleep, 459 

 Pigeons, Colour-inheritance, 738 



— Webibot Character in, 455 



Pigg, J. I., Stereoscopic Photomicro- 

 graphy, 816 



Pighini, G., Metabolism of Moulds, 79 



Pigment iu the Human Neurohypophysis, 

 190 



Pigment-cells, Development in Teleostean 

 Embryos, 187 



— in Sheep's Cornea, 19<> 

 Pigmentation of the Nervous Lobe of the 



Hypophysis, 459 

 Pigments, Respiratory, and Peroxydase, 



638 

 Pilargis verrucosa, Cutieular Warts, 47 

 Pilger, R., Marine Algae of Kamerun, 



790 

 Pincussohn, L., Enzymes in Different 



Bacteria, 94 



Pinov. M. E., Sporotrichum beurmanni in 



Man, 404 

 Pinto, M., Parasites of Leucocytes in 



Brown Rat, 633 

 Pipette, Graduated, Improved Form, 



553 

 Pitard, J., Moss-flora of Tunis, 382 

 Pits, Bordered, Staining, 709 

 Placenta, Mole's, Giant-cells, 188 

 I'la^iothecium, 780 

 Plague, Crayfish, 753 



— Material, Method of Preserving, 120 



— Rat, in East Anglia, 688 

 Plaice-fishing, Damage by Whelks, 747 

 Planaria, Regeneration in Short Head- 

 pieces, 761 



Planarians, Effect of Starvation, 627 



— Regeneration, 626 

 Plankton, Arctic, 789 



— from the Julischen Alps, 388 



— of Lago Maggiore, 789 



— of Prester See, 789 



— of Spitzbergen, 39 



— Organisms, Simple Arrangement for 



Determining Sinking-velocity, 122 



— Peridinium, at Revigno, 57 



— Scottish and Irish, 355 



— Summer, of West of Scotland and Irish 



Sea, 614 

 Plankton-algae, 71 

 Plant-cells, Chondriosomes, 479, 637 



— Mitochondries, 773 

 Plant- disease, Sclerotinia, 670 

 Plant-diseases, 84, 238, 678 



— Bacillus colt, 804 



— in South Africa, 678 



— in the Tropics, 514 



Plant-forms, New, Traumatism in Relation 



to, 485 

 Plant-organs, Cryoscopic Determination of 



Osmotic Pressure, 219 



— Regeneration and Polarity, '219 

 Plant-parasites, Wintering, 83 



Plants, Absorption of Alkaline Earth Salts, 

 218 



— Actinomycosis, 92 



— Complementary Chromatic Adaptation, 



776 



— Diseases, 238, 514, 796 



— Economic, Diseases, 84 



— Osmotic Pressure, and the Form and 



Structure of, 484 



— Sea-side, Anatomical Researches, 216 



— Vascular, Evolution of Conducting- 



tissues, 638 



Mineral Nutrition, 482 



Transitory Tissues, 216 



Plasma-membrane. Chemical Composition, 



636 

 Plasmodes, New Methodsof Demonstrating, 



119 

 Plasmodia, Movements, 479 



— Streaming, 520 



