SL'2 



INDEX. 



Photograpbio Plates, Action of Wood on, 



332 

 Photographing and DrawingMicroseopical 



BectionB, Simple Apparatus, <>.~>1 

 Photography, Three-Colour, 104 

 Photomicrographio Camera, Vertical and 



Horizontal, 7515 

 Photomicrographs oiBaeiUus typhosus, 394 

 Photomicrography and Photoinicrometry, 

 100 



— J. W. Gordon's Apparatus, (351 



— Perfectly Steady Stand, 652 



— See Contents, xxxv 



— with the Aid of Ultra-Violet Light, 



103, 513 

 Photoni ierometry and Photomicrography, 



106 

 Phototropism in Animals, 41 



— in Vanessa antiopa, 50 

 Pboxichilidinm, Larval, Parasitism on 



Bougainvillia, 592 

 Phragmidium, The Genus, 346 

 PhreodriluB, New Species, 56 

 Phryganids, Peculiar Organ. 694 

 Phthisis, Pulmonary, New Microbe, 487 

 PhyUaotinia corylea, 729 

 Phyllophorus uma, Internal Secretion in 



Gonads, 59S 

 Phylogeny and Anatomy of Haliotis, 431 



— of ilexactinellid Sponges, 189 



— of Insects, 586 



— of Mammalian Tongue, 172 



— of Post-caval Vein, 429 



Physa taslei, Effect of Temperature on 



Growth, 49 

 Physiology and Anatomy, Comparative, of 

 the Eye, 579 



— of Seed Plants. See Contents, xxiii 

 Phytoplankton of Asia Minor, 79 



— Marine, 724 



— of Donjec. 212 



— of some Plbn Lakes, 209 



— Studies, 210 



Pick, F. K., Genus Raspailia, 190 

 Picquenard, — ., Lichens of Finisterre, 627 

 Picric Acid and Bleu-de-Lyon, Method of 



Contrast Staining, 665 

 Pictet, A., Influence of Nutrition and 

 Humidity on Lepidoptera, 588 



— Modifications in the Development of 



Lepidoptera, 180 

 Pierce, G. J., Artificial Parasitism, 66 

 Pig, Forest, of Central Africa, 43 



— Ganglion Cells of Cerebellum, 425 

 Pigeon's Neck, Iridescence, 44 

 Pigment of Silk of Antherosa yana-mai, 



:>\ 



Pillischer's New Model "Kosmos," 639 

 Pines, Mycorhiza, 65 



— Rusts. 221 



Pinus, Life History, 196 

 Piollet, P., Nutritive Arteries of Long 

 Bones, 171 



Piovanelli, G., Three New Parasitic Roti- 

 fers, 188 

 Piperales, Seed Development, 605 

 Pirone, R., Use of Iodine after Fixation in 



Sublimate, 383 

 Piroplasma cants, Biology, 447 

 Pitcher-formation in Saxifrages, 326 

 Pittard, E., Influence of Castration on 



Size, 294 

 Placenta, Comparative Anatomy, 166 



— of Seal, 166 



— Studies on, 678 



Plague Bacillus, Use of Acid Media in 

 Isolation, 378 



— Bacteriology, 378 

 Planaria alpina in Belgium, 597 

 Planarian, Laud, from Ohio, 317 

 Planarians, Starved, Degeneration of 



Gonads, 187 

 Planimeter-Ocular and New Microscope 



Model, Hirschwald's, 640 

 Plankton Crustacea, Fresh-water, 437 



— Investigation round Iceland, 340 



— Northern, 79 



— of Lake Lacens, 467 



— of Three English Rivers, 209 



— River, 177 



— Searcher, New Method of Using, 369 

 Planorbis, Development of Kidney and 



Heart, 584 

 Plant Diseases, 349 



during the Year 1903, 349, 733 



Handbook, 623 



in India during 1903, 348 



— Distribution of Essential Oil in an 



Annual, 67 



— Effect of Leaf-fungi on Productive 



Power, 608 



— Tissues, Agar- Agar and Paraffin Method 



for Imbedding, 527 



Hard, Celloidin Method, 262 



Plants and Ants, Relation between, 453 



— Asiatic, 200 



— Californian, Variation, 199 



— Common Roadside, Localised Stages, 



199 



— Cultivated, Diseases of, 319, 733 



— Desert, Water-Conducting Systems of 



some, 603 



— Diseases, 732 



with Methods of Prevention or Cure, 



227 



— Dried, Resistance to Poisonous Sub- 



stances, 608 



— Green, Carbon Nutrition by Organic 



Substances, 197 



— Host, Distribution of Uredinese on, 87 



— Immunity to their own Poison, 453 



— Japanese Mesozoic, 610 



— Kinetic Centres, 709 



— Leguminous, Soil Inoculation for, 452 



— Nature of Colour, 63 



— Patagonian, 69 



