8Si> 



INDEX. 



Plaemodiophora hrassicx, Parasite of Rabies 

 ami, 803 



Plasmodiophoraceae, New Genus, 243 



Research, 685 



Plasmopara viticola. Infection of the Vine, 

 507 



Plastochondria, Role of, in Fertilization of 

 Ascaris megaloccphala, 759 



Platanacese, Ovule and Einbryo-sac, 775 



Plate, L., Heredity and Evolution, 453 



Plates, Wax, Apparatus for Rolling, 112 



Platyhelminthes. See Contents 



Playfair, G. I., Polymorphism and Life- 

 history in the Desmidiaceae, 389 



Plehn, M., Fish Disease, 799 



Pleodorina californica, 502 



at Banyuls, 768 



— illinoisensis, 70 



Plessis, G. du, Hermaphroditism in 

 Nemerteans, 206 



Pleurage zygospora, Development of the 

 Spores, 671 



Pleurococcus sidphurarius, 788 



Pleurotus japonirus, Phosphorescence, 512 



Plexaurids of ' Siboga ' Expedition, 55 



Plica semilunaris in Hereros and Hotten- 

 tots, 612 



Plicaria planchonis, 670 



Plumage Changes in Red Grouse, 353 



Plumarids, Siboga, 765 



Plumularid Genus, New, 365 



Pneumococcus and Streptococcus, Viru- 

 lence, 245 



Pocock, R. I., Carboniferous Arachnida, 

 467 



— Cutaneous Scent-glands of Ruminants, 



351 



— Mimicry of Ant by Larval Mantis, 356 

 Podpera, J., Moss-flora of Bulgaria, 657 

 Potter, E., Staining the Medullary Sheath 



in Brain-sections, 120 

 Poisoning by Fungi, 677 



— Mushroom, 509 

 Poisonous Mushrooms, 236 



Polacci, G„ Parasite of Rabies and 

 Plasmodiophora bransicx, 803 



Polarity in Tubularia, 765 



Polarized Light, Interference Phenomena, 

 105 



Polarizing Apparatus, Moilel of the Vibra- 

 tion-planes of Light, 698 



— Prisms, Glass, 697 



Polishing Metallic Preparations for Micro- 

 scopical Examination, 267 



Poll, H., Ovary in Hybrid Birds, 604 



Pollen-mother-cells, Heterotypic Division, 

 637 



Pollination Experiments with Anonas in 

 South Florida, 374 



Polyblepharidae, New Genus, 71 



Polycarpea3, Monocotyledonous Characters, 

 640 



Polyclu-et from the Delta of the Volga, 360 



Polyclueta, Littoral, of Torquay, 48 

 Polvchaets. Incubation, 758 



— Notes, 360 



— Pelagic, of Irish Seas, 360 

 Polyclad, South African, New, 50 

 Polyclads, Two-fold Functiou of Ovaries, 



761 

 Polyides and Furcellaria, Anatomy, 785 

 Polymorphism and Life-history in the 



Desmidiaceaj, 389 



— in Flagellates, 768 



— of Zinc, 123 



Polynoids, Precision of Regeneration, 203 

 Polypodiaceae and Cyatheaceae, Relation 



to Woodsieae, 486 

 Poly podium hydri/orme, 365 

 Polyspermy, 185 



Polytrichaceae of North America, 383 

 Polytrirhum, 781 

 Polyxenus, Study, 199 

 Polyzoa, Irish, 362 

 Pond Life, Exhibition, 427 

 Ponroy, M., Mushroom Culture, 82 

 Pontobdella muricata. Adipose Cells, 624 

 Ponzo, M., Simple Method of Making 



Drawings for Projection Purposes, 100 

 Popoff, M.,Chromidia in Cells of Muscidae, 



464 

 Popoff, N., Buccal Apparatus of Hemip- 



tera, 750 



— Scelionid Parasite of Spider's Eggs, 41 

 Popovici-Baznosanu, A., Study of Sphe- 



gidac, 357 

 Poppe, K., Simple Shaker, 111 

 Popta, C. M. L., Function of Swin-bladder, 



194 

 Porifera. See Contents 

 Porpita, Marginal Glands, 474 

 Porter, A., Bee Disease due to Nosema 



apis, 769 

 Portevin, A., Cementation by Gases, 269 



— Chromium Steels, 827 



— Iron-antimony Alloys, 558 



— Pseudo-binary Alloys, 561 



Portier. P., Digestion in Wood-eating 

 Caterpillars, 464 



" Portuguese Man-of-war/' Law of Bud- 

 ding, 473 



Potato-plant. Bacterial Disease, 247 



Potrzobowski, K., New Method of Demon- 

 strating Spirochseta pallida, 118 



Pougnet, J., Action of Ultra-violet Rays 

 upon Green Vanilla-pods, 484 



Poultry, Hybrid, Inheritance in, 34 



of Colour-pattern, 34 



Poyarkoff, E., Incubation of Cyclas Em- 

 bryos, 463 



Poyser, W. A., and others, Asplenium 

 alternans in America, 777 



Prauss, S., Jointed Arm for Workshop 

 Microscope, 715 



Prawn, Fresh-water, Primitive, 754 



Prawns, Behaviour, 623 



