840 



INDEX. 



Picro-Blue-black and Vanadiuin-hsema- 



toxylin, 533 

 Piedallu, A., Monascus purpurea, 382 

 Pierantoni, U., New Marine Oligochaet, 



721 

 Pie'ron, H., Movements of Convoluta, 188 



— Opening and Closing of Sea-Anemones, 



190 



— Rhythms in Sea-Anemones, 189 



— Study of Autotomy, 452 



Pig, Sympathetic Nervous System, 707 

 Pigment, Green, of Actinia equina, 467 

 Pigment-cells, Structure, 34 

 Pigment-forming Penicillium, 750 

 Pilger, R., Algae of Peru, Chile, and South- 

 west Africa, 381 



— Anatomy and Classification of Coral- 



linaceae, 493 



— Indian Ocean Algffi, 381 

 Pinna, Observations, 347 



Pinu* pinaster. Parthenogenesis, 736 

 Piorkowski, — ., Simple Medium for Gono- 



coccus, 2.V. 

 Pira, A., Races of Swine, 342 

 Pirotta, R., Ferns of Mount Ruwenzori, 69 

 Pistil and Stamens, Respiration, 365 



— Ovule, Fruit and Seed of Acanthaceae, 



Structure, 62 

 Pitard, J., Ferns of the Canary Islands, 

 369 



— and others, Bryophytes of the Canary 



Islands, 374 

 PithopUora, Morphology and Development, 



77 

 Pitt, W., Bacillus nodulifaciens bovis, 508 

 Pizon, A.. Phagocytosis and Auto-diges- 

 tion in Diplosoma, 37 

 Planaria alpina in Auvergne, 464 

 on Northern Swedish Mountains, 355 



— lactea, Spermatozoa, 355 

 Planarian. Regeneration, 187 

 Planarians, Crystalloids in Epithelial 



Cells, 51 

 Plankton, Fresh-water, of Italy and Ger- 

 many, 378 



— Marine, 602 



— Method of Analysing, 215 



— Research, Methods, 104, 216 



— Siiimese, 79 



Plant Anatomy, Progress, 589 



— Diseases, 86, 228, 504, 619, 754 

 Plants. Grafting Perennial upon Annual, 



365 



— Green, and Carbon Monoxide, 471 



— Growing, Force Exerted, 592 



— Sand-dune of Bermuda, Leaf-structure, 



61 



— Strand, Leaf- structure, 733 



— Transpiration, 64 



— Vascular, Respiration of Aerial Parts, 



172 

 Plaskitt, F., Photomicrographs of Podura 

 Scales, 130 



Plasmodia of Mycetozoa, Reversing Cur- 

 rents, 196 



Plasmodiopliora, New, 627 



Plasmodiuphoracese and Phytomvxineae, 

 626 



Plate, L., Fish living inside Strombus, 37 



Platinum-antimony Alloys, 403 



Platinum-lead Alloys, 406 



Platyhelniintb.es. See Contents, xvii 



Playfair, G.I.,Desmidsof Sydney, N.S.W., 

 218 



Plessis, G. Du, Protandry in Grubea, 49 



Plexaurids, New, 191 



Plitt, C. C , and others, North American 

 Mosses, 742 



Plunmlaria, New, in "Challenger" Col- 

 lection, 466 



— Variation, 56 



Pocbe, F., Review of Actinotrocha, 188 

 Podocarpus, Male Cone and Gametophyte, 



62 

 Podosomata of Temperate Atlantic and 



Arctic Oceans, 43 

 Podostemacese, Embryology, 195 

 Podura Scales, Photomicrographs, 130 

 Pogonatum, Teratology, 599 

 Pohlia buJbifera, Discovery in France, 209 

 Poison, Amphibian, Immunity of Snakes 



to, 566 

 Poison-Glands in Anura, Development, 

 33S 



— of Fishes, 341 



Polak, C, Structure of Colobus, 177 

 Polar Body Formation in Ant, 40 

 Police, G., Visceral Nervous System in 



Squilla mantis, 352 

 Polishing Machine for Metallographic 



Work, 539 

 ■ — Metals for Examination with the Micro- 

 scope, 538 

 Poll, H.. Are there Suprarenal Bodies in 

 Invertebrate^? 344 

 - Hybrid Newts, 178 

 Pollen of Microcachrys tetragona, 590 

 Pollination of Dendrobium, 473 

 Polychast Larva?, 722 

 Polychseta, Littoral, of Torquay, 575 

 Polyporus lucidus, and some of its Allies, 



226 

 Polysiphonia fastigiata, Biology, 80 

 Polyspermy in Protula meilhaci, 49 

 Polystictus versicolor, Biology, 499 

 Polytrichum alpinum, in Servia, Bryogeo- 

 grapbical Note, 484 



— Reduction and Fertilisation, 70 

 Pond Life, Exhibition, 414 



Ponder, C, Examining Living Leucocytes 



in vitro, 524 

 Ponselle, A., Staining Spirochseta pallida, 



in Smears with Largiue, 261 

 Popoff, N., White Wax of China, 349 

 Poppy, Fertilisation, 364 

 Porifera. See Contents, xix 



