810 



INPEX. 



Plasticity of Organisms ami Evolution, 



417 

 Platinum Alloys, G41 



— witli Iron, Alloys, 042 

 Platyhelminthes. See Contents, xviii 

 Plnyfair, G. I., New !;'outh Wales Desmids, 



5'JO 

 Pleospora, Research on the Cycle of 



Evolution, 598 

 Pleurotffinium, 590 



PJimmer, H. G., Demonstrating Trypano- 

 somata, o80 



— Effects on Pats of Tryjianosomata of 



Gambia Fever and of Sleeping 

 Sickness, 313 



— Morphology of Trypanosomes, 313 

 Plumes of Cephalodiscus, 429 



Studying, 5U2 



Plumulariidffi of Lamarck's Collection in 



Paris, atjl 

 Pneumococcus, Action of Bile on, 212 

 Pocock, R. I., Elack-aud-Tau Pattern of 



Domestic Dogs, 294 

 Podiapolsky, P., Green Pigment of 



Lucustids, 301 

 Podocarpinere, Blicrogametophyte, GiS 

 Podura Scale, On the, 385, ti93 

 Pohlia, Some Critical Species, 329 

 Poisoning, Case of, 709 



— by Fungi, Cases, 208 

 Poisons, Animal, 27 



Polarimeters, Simple Wav of Obtaining 

 the Half-shade Field, 371 



Polarisation of Refraction and Propaga- 

 tion of Light in a Medium Non-homo- 

 geneous, 742 



Polariser, Reiff's, 029 



Polarising Apparatus, Swift's Simple 

 Hand, 221 



Polarity and Regeneration iu Higher 

 Plants, 59 



— in Plant-cells, 437 



Polemoniacese, Comparative Anatomy, 5G6 

 Polian Tubes of Sipunculus, 553 



Pollen Development in Hybrids, 439 



— in NympliiBa and Nuphar, Develop- 



ment, 317 

 Polleu-formation in Cucurbitaeea?, GS8 

 Pollen-grain, 184 



Pollen-tube oi Honslonia coerulea, 317 

 Pollinating Capsid, 39 

 Polyandry of SmlpeUum stearnsi, 42 

 Polychseta, New, from Massachusetts, 679 

 Polychaets, Antarctic, 3U5 

 Polyclads, Genito-intestinal Canal, 428 

 Polydesmus, Tracheae, 424 

 Polygonum virginianum, Secd-disiDersal, 



Gl 

 Polykrikos, Structure and Systematic 



Position, 434 

 Polymorphism of Colletotrichum, 70 



— of Colletotrichum Janezeicslcii. 203 

 Pvlypliemus pediculus, Life-history, 42 



Polypodiacere, Philippine, Ecology, 443 

 Pohjporus fiilvus, 340 



— vuporarius, 459 

 Polypteruf!, Development, 288 

 Polysipiionia, 594 

 Pohj!^rplionia liolacea, 194 

 Polyspermy in Ferns, 093 

 Pohjstichitm aculeatum and P. Lonchlt's, 



Validity, 572 



— LoncMtig and P. aculeatum, Validity 



572 

 Polyzoa, P'resh-water, of India. 430 

 Pomatoceros and Vermilia, 109 

 Pond Life Exhibition, 391 

 Popoff, M., Embryology of Puludina vivi- 



para, 418 



— Studying Oogenesis in Paluclina vivi- 



para and Chromidia in Paludina and 

 Helix, 497 

 Popoff, N., Significance of Sperm-bundles, 



147 

 Popofsky, A., New Radiolarian Family, 433 

 Popovici-Baznosanu, A., Circulation iu 

 Insect Larvos, 299 



— Seminal Apparatus in Helix, 544 



— Structure of Larval Epliemerid, 302 

 Popplemani). W., Detection of Bacillus 



typhosus, 376 



Porges, O., Differentiation of Capsulated 

 Bacteria by Agglutinating and Precipi- 

 tating Immune Sera, 87 



Porifera. See Contents, xx 



Porter, A. B., On the Nature of Optical 

 Images, 486 



Porter, A. W., 705, 706 



— Diffraction Rings due to a Circular 



Aperture, 389, 390, 405 

 Portevin, A., Alloys of Nickel and Lead, 

 038 



— Cadmium-Bismuth Alloys, 505 



— Constitution of Alloys, 037 



— Phenomena of Solidification and of 



Transformation in Alloj's, 757 

 Portier, P., Collecting Sea-water ^ for 



Bacteriological Study, 235 

 Potato, Bacterial rot, 88 

 Potebuia, A., Mycological Studies, 457 

 Potts, E., Fresh-water Medusaj, 173 

 Potts, F. A., Sexual Modification of 



Hermit Crab by Peltogaster, 167 

 Poulton, E. B., Cryptic Resemblance in 

 South American Insects, 545 



— Predaceous Insects and their Prey, 419 

 Praeger, R. L., Calcareous Deposit in 



Lough Carra, 198 

 Prager, E., German Mosses, 695 

 Preen-gland iu Birds, 25 



— of Birds, 155, 414 



Preparing Objects. See Contents, xl 

 Preparatious, Impressions, 242 

 Preservation and Cultivation of Mycetozoa, 



Preservative Fluids. See Contents, xli 



