766 



INDEX. 



Pierce, G. J., Forcible Discharge of An- 



therozoids in Asterella californica. 578 

 Pierce, N. B., Black Rot of Oranges, 596 

 Pigment, Red, of Asterias rubens, 654 

 Pigments of Nudibranchs, 38 

 Pig's Intestine, Development, 27 

 Pillischer's " Lenticular Microscope,". 353 

 Pilsbry, H. A., Affinities of Genus Neo- 



beliscus, 37 

 Pinching, Grafting, and Annular Decorti- 

 cation, 73 

 Pine-apples, Cockscomb Fasciation, 322 

 Pine-Cmie, Morphology, 318 

 Pinus strobus, Development of the Oosphere 



and Fertilisation in, 70 

 Piorkowski, -., Bacilli in Syphilitic Se- 

 men, 692 

 Piperacese, Germination, 571 

 Pirotta, R., Primary Vascular Elements in 



Roots of Monocotyledons, 317 

 Pitard, J., Pericycle of Anu'iosperms, 660 ■ 

 Pitchers, Double, in Dischidia, 569 

 Pith of Maize and Elder, Constituents, 



567 

 Pitsch, O., Yield of Leguminous Plants, 



452 

 Pituitary Body of Amphibians, 635 

 Pizon, A., Heart of Diplosomidse, 638 



— Mechanical Theory of Vision, 32 

 Plagiostomes, lnter-renal Body, 636 



— Supra-renal Bodies, 636 

 Plague, Transmissibility to Bats, 692 

 Planaria maculata, Regeneration of 'Pha- 

 rynx, 651 



Planarian, Notes on a, 434 



Planarians, Distribution as affected by 



Temperature, 308 

 Plankton, 581 



— and Abyssal Fauna around Capri, 297 



— in Lake Geneva, Variations, 639 



— of Alpine Lakes, 675 



— of Attersee, 36 



— of Lake of Maria-Laach. 426 



— Pond, 675 

 Plant Diseases, 469 



— Growth and Photosynthesis, Influence 



of Varying Amount of Carbon Di- 

 oxide in the Air, 668 



— Juices, Electrical Conductivity, 661 1 

 Plantain-Seed, Anchoring, 458 

 Plants, Albinism, 670 



— Diseases, 686 



— Distribution in the Alps and Jura 



Mountains, 206 



— Effect of Sunshine on, 574 



— Electric Response under Mechanical 



Stimulus, 574 



— Electrical Phenomena, 574 



— Investigation and Presence of Rennet- 



ferment, 575 



— Necessity of Lime for, 203 



— Predisposition and Immunity, 473 



— Proteid Formation in, 457 



Plants, Protoplasmic Streaming, 314 



— Tertiary, from the Himmelsberg, 577 



— Woody, Accumulation of Mineral and 



Organic Matter, 573 

 Plasmodiophora Brassicse, 586 

 Plasmoptysis, 348 

 Plate Cultures, New Counting Apparatus, 



718 

 Platinum Method for the Central Nervous 



System, 256 



— Micro-Crystalline Structure, 504 



— Microscopic Effects of Stress, 624 



— Re-crvstallisation, 623 



— Substitution, Golgi-Sublimate Prepara- 



tions, Methods of rendering Perma- 

 nent, 501 



Plato, J., Intra vitam Staining of Fung 

 378 



Platyhelmia, Mesozoa, and Nemertini, 186 



Platyhelminthes. See Contents, xvii 



Platysfrophia, Variation, 560 



Pletheclon cinereus, Larva, 28 



Pleospora and Helminthosporium, Rela- 

 tionship, 681 



Pleuronectidae, Systematic Position, 638 



Pleurosigma angulatum and balticum. Dis- 

 tinguishing under Low Powers, 257 



Photograph by F. E. Ives, 529 



Plimmer, H. G., Fixing and Stainiug 

 Trypanosoma, 372 



— Trypanosoma brucei, 440 

 Plowrigbt, C. B , British Dye-Plants, 671 



— Ozonium auricomum, 339 

 Plumatella and Vivipara, 310 

 Pneumo-Enteritis, Normal Serum in, 347 

 Poche, F., Distribution of Anoplopterus 



platychir, 173 



of Siluroids, 173 



Pocock, R. I., Annectant Type of Chilo- 

 pod, 429 



— Studies on the Arachnid Eutosternite 



645 

 Podczaski, T., Differential Staining for 



Tubercle and Smegma Bacilli, 256 

 Podocarpus, Gametophytes and Embryo, 



319 

 Podpera, J., Bohemian Species of Bryum, 



580 

 Poirault, M., Mycology in France, 221 

 Poisoning in Conus, 301 

 Poisonous Principle in the Mistletoe, 64 



— Properties of Lolium temulentum, 64 

 Poisson, J., Duration of GerminatingPower 



of Seeds, 669 

 Polarising Apparatus, Seibert's Large, 

 104 



— with the Microscope, 142, 264 " 

 Polarisation-Microscopes, Seibert's, 234 

 Pollacci, G., New Mode of Measuring 



Transpiration, 75 

 Pollen and Male Prothallia from Ccal 

 Measures, 671 



— Formation in the Asclepiadeae, 199 



