836 



INDEX. 



Pesker, D. J., Demonstrating the Histo- 

 genesis of Nerve-Fibrils, 251 



Pesta, O., Metamorphosis of Mytilicola in- 

 testinalis, 321 



Petch, T., Fungi Parasitic on Hevea 

 braailiensis, 483 



— Hydnocijstig Thwaitesii, 350 



— Revision of Ceylon Fungi, 627 

 Peterson, O. A.. Chaliootheres, 569 

 Petri, L., Identity of the Rogna Bacillus 



("tubercle) of the Olive-Tree, 90 

 1'ctricola pholadiformis, Distribution, 315 

 Petrographical ami Miueralogical Micro- 

 scopes of Bociete Genevoise, 

 Eye-Pieces, 235 



with Permanent Centring and 



with Objective Rotation, 

 Societe Genevoise, 229 

 Petroleum, Californian, Origin, 476 

 Petromvzon. Gastrulation, 24 

 Pettit, A., Kidmy of Elephant, 166 

 Peyerimhoff. P. de, New Species of 



Ksenenia, 7 1 5 

 Pfeffer, W., Sleep-Movements of Leaves, 



192 

 Pha3opbycea3, Observations on the Ger- 

 mination, 736 



— Some Errors of Nomenclature, 73S 

 Phalloids, 354 



Phallus and Cloaca in Amniota, Studies, 



309 

 Phallus impurlicus, Note, 747 

 Phanerogams, Parasitic, and Nitrates, 64 

 Pharynx of Triclad, Cytological Study, 



456 

 Phaseolicama magellanica, Structure, 448 

 Phellia murocincta, 18 1 

 Philip, R. H., Yorkshire Diatoms, 617 

 Philiptschenko, J., Excretion in Aptery- 

 gora, 45 



— Head-Glands of Thysauura, 581 

 Philonotis, Bryum zonatum, 614 



— Monograph, 472 



— Parisian Species, 198 



- Variable Peristome, 71 

 Phosphoric Steels, 525 

 Phosphorus and iron Compounds, Consti- 

 tution, 663 



— Influence on the Iron-Carbon System, 524 

 Photographic Objective containing a 



Uranium-Glass Leus. 93 

 Proofs, Reversible, Integral Photo- 

 graphs, 384 

 Photographing Superficial Bacterial Colo- 

 nies, Method, 392 

 Photographs in Colours, Interference 

 Fringes produced by, 648 

 Integral; Reversible Photographic 



Application 



in 



Proofs, 3S4 

 Photography, Colour, 



Metallography, 395 

 — of very Translucent Diatoms at High 



Magnifications, 649 



Photometer, Bechstein's, with Proportional 

 Graduation and Decimally-Divided 



Scale. 98 



— Microspectral and Ultramicroscope, 



Application to Textile and Dyeing 

 Industries, 387 



Photomicrographic Apparatus. Old, De- 

 signed by Dr. Maddox for Dr. Lionel 

 S. Beale, 399 



Photomicrography, Light Filters for, 20 



— Turneretscher's Apparatus, 101 



— See Contents, xxxiii 

 Photomicroscope for Ultra-Violet Ray.-. 



and its Significance for Histological 

 Investigations, especially of Hard Struc- 

 tures, 046 



Phototropism of Hermit Crabs, Periodic- 

 Change, 319 



Phryganid, Development of Ovary, 577 



Phyllopods, New. 455 



Phylloxera, Vine, Fungi Parasitic on. 483 



Phylomicus, 448 



Physcomitrella, Hybrids, 199 



Physiology, Molecular, Course of, 65 



— of Seed Plants. See Contents, xxi 

 Phytecology of the Eastern Part of 



Kabylia. t66 

 Phytoplankton, Indian Ocean. 349 



— of Ceylon, 204 



— of Scotch and Swiss Lakes, 477 



— off the Coast of Normandy, 74o 

 Picard. F.. Parasitic Laboulbenia, 478 

 Pick, H., Copper-Tin Alloys, 660 

 Pie'ron, H., Autotomy in Decapods. 47 

 in Orthoptera, 45 



— How Ants find their Nest, 42 



— Sense of Taste in Fresh-water Snail-. 



710 

 Piersol, W. H., Mating of Rivellia boscii, 



173 

 Pigeon, Air-Sacs, 310 

 Pigg, J. I., 793 



— Microscopic Writing, Specimen by 



Webb. 396 

 Pigment, Blue, product d both by a 

 Diphtheroid Bacillus and by a Strep- 

 tothrix, 362 



— of Oscillatoria Gortiana, 348 



— of Suprarenal Glands, 309 

 Pigmentation, Inheritance in Mice, 23 

 Pillar, N. K., Nitrogen-Fixing Bacteria, 



225 

 Pilsbry, H. A., Barnacles of the United 

 States National Museum, 17S 



— Classification of Scalpel] iform Bar- 



nacles, 716 



— Notes on ('impedes, 178 

 Pine-Wood, Blue Disease, 629 

 Piuoy, E , Bon-el's Blue, 115 



— Cultivation and Preparation of Myxo- 



lnyeetes, 106 



— Cultural Experiments with Acrasieaj, 



85 



