702 



INDEX. 



Pearls, Structure and Origin, 520 

 Pearse. A. S., Habits df Thalassina] ano- 

 mala, 4() 



— Tadjioles in Sea-water, 30 

 Pediastrum, 421 



FeiUculoide" ventrkosus, Parasitism of, 523 

 Pedigree Eace. Five-year, of Paramoecium 



■witliout Conjugation, 620 

 Pellia. Capsule of, 587 



— Development. 67 

 Pellia epiphylla, 537 



Pelobates fuscw. Development of Lungs 



in, 60i 

 Penard, E., Letter from, 374 



— Notes on Sarcodina, 315 



— Khizopoda of Clare Island, 57 

 Penici Ilium, Green Forms of, 545 



— Species. 338 



— Studies of, 640 



Peptone, Omission of, in Ordinary Culti- 

 vation Media, 664 



Peranema, Structure of, and Diacalpe, 

 413 



Pe'rez. C., Hermaphrodite Tubularian, 527 



Pericystis alvei. Beehive Fungus, 642 



Peridiniese, Cell-division, 72 



— of the Adriatic, 331 



— Variability of, 329 

 Peridiuiales of East Greenland Sea, 72 

 Peridinians, New Parasitic, 317 

 Peridiniopsis and Peridiuium, 71 

 Peridinium and Peridiniopsis, 71 

 Perionyx, Species of, from a Sub- Antarctic 



Island, 185 

 Peripneumonia of tattle, Demonstrating 



the Microbe, 364 

 Perispore in the Filicineae, 324 

 Perithecium, Development in Chsetomium, 



77 

 Perouospora. Infection Experiments with, 



335 

 Perroncito, A., Structure of the Cell, 393 

 Perrot, E., Algse and their Uses, 206 

 Persimmons, Seedless, Embryo-sac and 



Endos|)erm, 62 

 Pertusariae, European, 645 

 Fetch, T., Ceylon Fungi, 642 



— Ceylon Phalloidese, 641 



— Ustilaginese of Ceylon, 640 



Peterti, M., Tortella Kquarro«a in Hungary, 



205 

 Petersen. E., Alimentary Canal of Lepi- 



doptera, 42 

 Petrol- vapour Incandescent Gas I-amp, 100 

 Peyer. B., Development of Viper's Skull, 



515 

 Peyre'ga. E., Blood of Arenicola, 524 

 Pfeifferinella, Genus, Coccidiaof, 317 

 rflug.staedt, H., Structure i.f Halteres, 400 

 rhseodimeriella. New Genus, 426 

 Pliaeothainnion. 423 

 I'halangida, of Clare Island, 183 

 Phalloidese, Ceylon, 641 



Phillips, M., Demonstration of Spirochsetes, 



114 

 Phisalix, M.. Distribution of Cutaneous 



Glands in Amphibia, ?3 

 Piiorid, New, associated with Termites, 43 

 I'hdsphor Bronzes. 253 

 Photograph V, Colour, Micro-spectra 



IMethod, 451 

 Observations and Contributions to 



the Practice of, with Autochrome 



Plates, 661 

 Photometer, Half-shadow Interferometer 



as, 236 

 Photomicrographic Apparatus, Geometric 



Slide, 1 



— Camera, Duplex, 562 

 Photomicrographs, Making of, 454 

 Photomicrography in Natural Colours. 108 



— of the Electrical Reactions of the 



Heart, 122 



— Eeflex Camera for, 467 



— Scientific Observations and Contribu- 



tions to the Practice of, 661 

 Phototropism of Black Ant, 182 

 Phycomycetea from Nova Scotia, 426 



— Swiss, 544 



Phyllophorinae, Study of, 617 

 Phylogeny of the Pteridophyta, 64 



— of Yeasts, 211 



Physiology, Comparative, of Vision, 37 



— See also Contents 

 rhysostegia. Embryo-sac of, 195 

 Phytophthora in/estnns, 210 

 Phytophthorfe, Study of, 638 

 Phytoplankton, Adriatic, 419 



— British Lake, Periodicity, 418 



— of P'resh-water. 329 



— Swiss, 329 



— Variability, 71 



— Vernal, 328 



— I if West Coast of Africa, 331 



Pia, J. v., Verticillate Siphonese of the 



Trias, 634 



of France, 541 



Piazza, C, Rapid Maturation of Hasma- 



toxylin Solutions, 5"0 

 Piccado. C., Epiphytic Bromeliaceae, 60 

 Picquenard, C. A., Crouan Collection of 



Algse, 637 

 Pietsch, W., Air-chambers of Eiccia, 326 

 Pietschker, H.. Brain of the Ant, 40 

 Piettre, 31., Melanic Pigment, 35 

 Pig, Skin of, 394 



— Thymus of, 170 



Pigeons, Hybrid, Spermatogenesis in, 



600 

 Pigment-cells of Fishes. 396 

 Pigment-formation in Merulius lacrymans, 



643 

 Pigmentation of Colorado Potato-beetle, 43 



— of Human Iris, 301 

 Pigments. Fungus, 216 



— in Fungi, Study. 81 



