INDEX. 



809 



Photomicrogriiiiliy, Light Filteis. 7<17 



— On Systematic Exposure with Trans- 



mitted Liglit, 702 



— Selection of Plates and Filters, o70 



— Systematic Exposure with Transmitted 

 . Light, tJol 



— See Contents, sxxvii 



Photoxylin as an Imbedding Medium, 109 



Phycocyanin, 55 



PInjcomijces niteni^, Metallotropism, 319 



Phycomvcetfs, Review, 70i 



Phylliroe, 296 



PhylIobothrida>, 306 



Phyllophora nervosa. Anatomy, 594 



Phyllophorus andPseudo-cucumis, Species, 



•IS 

 Phyllopod Studies, 678 

 Phylogeny of Alg;c, 384 



— of Buccal Muscles, 27 



— of Lamellibranchs, 542 



— of Vertebrate Eye, 27 

 Physico-chemical Rlicroscnpe. 615 

 Physiology of Develoijment in Marchantia, 



448 



— of Seed Plants. See Contexts, xxiv 

 Phvtophthora and Plasmopora in Ohio, 



341 

 Phytoplankton from Madrid, 199 



— of the Traun-see, 589 



— uf Warm Seas, 451 



Phytoptids and Witch's Broom of Birch 



Trees, 41 

 Pieper, G. R., Moss Flora of Hamburg, 



578 

 Pierantoni. U., Development of Proto- 



drilus and Saccocirrus, 45 

 of Saccocimis, 304 



— Sex Phenomena in Protodrilus. 554 



— Studying the Embryo and Larva of 



Saccocirrus papillocercus, 243 

 Picris brassicx, 675 

 Pieron, H., Autotomy of Crabs, 551 



— Olfactory Sense in Ants, 37 

 Pictsch Microtome, 749 



Pigg, J. I., Lantern Slides of Growth and 



DevelojDinent of Fern Spore?, 764 

 Pigment, Brown-red, of Hard and Soft 

 Cheese, Cause, 213 



— Green, of Locnstids, 301 



— of Bonellia, 680 

 Pigment-production by Micro-organisms, 



Variation, 468 

 Pigments of Batrachians, 6GS 

 Pigmies, African, Intestinal Worms, 306 

 Piguet, E., Revision of the Naididte, 45 



— Swiss Oligoclipeta, 169 



Pike, F. H., Determination of Sex, 534 

 Pileate Fungi, Observations, 340 

 Pilsbry, H. A., MoUusca of the Ozarkian 



Fauna, 670 

 Pinna, Glandular Organ, 297 

 Pinnate Leaves, Development, 687 

 Pinoy, M. E., Pathological Fungi, 206 



Finns Laricio, Pro-embryo, 688 



Piorkowski, — ., j\Iethod for Differenti- 

 ating Bloods, 111 



Piper, C. v., botanical Study of Areas in 

 the United States of North America, 320 



Piping and Segregation in Steel Ingots, 

 382 



Piroplasma, Bacilliform of Deer, 314 



Piroplasma higeminum, Cliromatin-masses, 

 435 



Examining Chromatin- masses, 502 



Piroplasma, Bovine, Cultivation, 631 



Culture, 564 



Piroplasma canis. Development, 178 



Morphology and Life-histoiy, 178 



Piroplasma of Horse in Italy, 435 



Piroplasmosis, Bovine, in Poi tugal, 435 



Piscicola, Vascular System, 170 



Pituitary Extract, Action upon tlie 

 Kidney, 30 



Pit- Viper, New, 667 



Planaria gonocepltala, Chromosomes in 

 Ovum, 427 



Planarian, Land, in Ohio, 47 



— Poly pharyngeal, 428 

 Planarians, Teratology, 428 

 Plankton, Fresh-water, Scottish, 199 

 -— Marine, 339 



Fresh-water Algas among, 453 



— of Eastern Alps, 451 



— of Lakes in Russian T^aplaTid, 199 



— of the Japanese Coasts, 452 



— Studies, 158 



in Salzkammergut, 339 



Planosarcina Schaudinni and Pedioplana 



Uaeckeli, 355 

 Plant and Animal Cell-structure, Analogy, 



686 

 Plantar Arch in Man, 28 

 Plant-cells, Chromosome Structure, 565 



Polaritv, 437 



Plant Diseases, 79, 348, 461, 711 

 Value of Spraying, 461 



— Green, Development in Absence of 



Carbon Dioxide, 58 

 Plant, H. C, New Method of Flagella 

 Staining, 751 



— Blutation, 185 



Plant Pathology, New Work, 713 



Some Elements of, 347 



Plantlets of Florideaj, Germinating, 334 

 Plants, Diseases, 206, 349 



due to Sclerotinia, 74 



- — Flowering of the Blesozoic Age, in the 

 Light of Recent Discoveries, 129 



— Higher, Regeneration and Polarity, 59 



— of Formosa, 443 



— Terrestrial, Epidermis, 181 



— Transpiration Current, 441 



— Wild, Hybridisation, 569 

 Plannla, Trichoplax. 430 

 Plasmopora and Phytophthora in Ohio, 



341 



