INDEX. 



703 



Pikriii Method of Staining Tubercle 

 Bacilli, 571 



Pliat, M.. Intracellular Reticulum in 

 Epithelial Cells of Suprarenals of 

 Hedgehog, 603 



Pilon, P., Selective Medium for Culture 

 of Cholera Vibrios, 110 



Pineal Body of Sheej). 168 



Pingriff, G. N., Determination of Refrac- 

 tive Index of a Liquid, 246 



Pinoy, — . Sporotrichosis. 249 



Pittuluga, G., Demonstrating the Structure 

 of Microfilariae, 462 



— Microfilarite of Guinea Coast, 525 



— New Hffimoproteus. 408 

 Place-finder. Simple Microscopic, 450 

 Placenta of Salpa democratira-mucroiiata, 



398 

 Placental Culture Media, 566 

 Planarians from Bromelias, 40o 

 Plankton and Seston, 633 



— New. from Posen, 329 



— of the English Channel, 72 



— of the Havel, 207 



— of the Keilkond, 632 



— of the Rhine. 418 



— of the River Po, 419 



— on Submarine Bank, 207 



— Portuguese, 331 



— Winter, 331 



Plant-cells, Chondriosomes in, 530 

 Plant-development. Influence of Elec- 

 tricity on, 197 

 Plant Diseases, 83. 219, 433, 549, 644 

 Plants. Diaphragms of Air-cavities in, 

 626 



— Stomatal IMovement in, 321 

 Plasma-membrane as " Ultrafilter," 532 

 Plasma-streaming in relation to Statoliths, 



531 

 Plate Cultures, Preservation, 568 

 Platform, " Rystos " Microscope, 659 

 Platyhelminthes. See Contents 

 Plea min'itissima. Structure of, 522 

 Fleistophora periplanetsB, Reproduction of, 



193 

 Plenk, H., Size of Cells and Body-growth, 



29 

 Plenk. J.. Minute Structure of Maxillary 



Gland in Copepods, 308 

 Pleodoriua in France, 332 

 Pleurozia, 537 

 Plexaurids. Axis of, 312 

 Plexus, Choroid, ^linute Structure, 394 

 Plimmer, H. G.. 264, 372, 374, 671 



— The President's Address : On certain 



Blood Parasites, 133 



Pluteus, Remarkable, 188 



Pneumatodes of Begonia, 625 



Pneumobacillus, Demonstrating the Pres- 

 ence of Capsules in Cultures of, 46.'J 



Pneumococcus. Demonstrating the Pres- 

 ence of Capsules in Cultures of, 463 



Pocock, R. I., Warning Colours in Mam- 

 mals, 34 



Podetia of Cladonia. 340 



Podo^pora anserina, Spore-formation in, 336 



Pogonia, Anatomy, 533 



Pointner, H., Fresh-water Oligochaeta from 

 Graz, 49 



Poison-glands of Scorpjenid Fishes, 304 



Polarization, Circular, of Liquid Crystals, 

 358 



Pole-cells ami Gonads in Chironomus, 306 



Pole- Evans, J. B.. Rust-resistant Cereals. 

 212 



Policard, A., Formation of Intracellular 

 Crystals in Hepatic Cell, 301 



Polimanti. O., Association of Suberites 

 and Dromia, 56 



— Nervous System of Dogfish, 36 



— Phototropisni of Black Ant. 182 

 Polishing and Grinding Machine, 467 

 Poll, H., Sfiermatogenesis in Hybrids, 167 

 Pollaci, G., Monograph of Erysiphaceae. 



337 

 Pollen, Notes on, 473 

 Polus, J., Early Stages in Development 



of the Gonads in Axolotl, 299 

 Polychaet. New Parasitic, 309 

 Polychaeta of Port Erin, 49 

 Polychsets, Cell-division in, 309 



— Nervous System of, 613 

 Polypodiaceae, Nuclear-division in, 531 

 Polypodium hijdriforme, 313 

 Polyporoids, Stipitate, Synopsis, 430 

 Polysiphonia, Life-history of, 635 

 Polytrichum, Leaf-structure of, 326 



— Sclerenchyma, 326 

 Polyzoa of Clare Island, 616 



Ponder, C, New Method of Staining 



Diphtheria Bacilli, 462 

 Pond-flora. Periodic, 418 

 Pond-life Work, Use of the Centrifuge in, 



247 

 Populf, N., Interstitial Tissue and Corpus 



Luteum of Ovary. 166 

 Populus. Distinction between the wood of, 



and Salix, 533 

 Porifera. See Contents 

 Porter, A., Structure of Nosema Spore, 



528 

 Portevin, A., Widmansfatten Structure in 



Forged Steels, 667 

 Potamoplankton, 329 

 Potato Diseases, 220 

 Potato-tubers, Blindness in, 219 

 Potebnia, A., Plant Diseases, 437 

 Potier de la Varde. R., Mosses of Tahiti, 



417 



— Ozyrrhyncli ium sivartzii, 630 



Potts, 'F. a.. New Parasitic Polychset, 309 

 Poyuton, F. J.. Diiilo'-occus of Rheumatism 



and Appendicitis. 94 

 Prazmiiwski. A.. Life-liistory and 31orpho- 



logy of Azotobucter '■hroococcum, 342 



