852 



JNDEX. 



Plankton, Swiss, 201 



Plant Diseases, 21.3. 356, 488, 630. 752 



American Text-book, 6:50 



Causes, 88 



Review, 629 



Text-book. 487 



Plant, M., Physiological " Separating- 

 Layers" in Gyninosperms, Equise- 

 taeeae, and the Brvophytes, 330 



Plants. Ancestry. 733 " 



— ami Ants. 45.! 



— Diseases, 79 



— Osmotic Pressure, 593 



— Parasitic, Germination, 3o2 



— Vascular, Respiration of Vegetative 



Organs, : J >33 



Plasma-cells and Mast-cells. 155 



Plasmatidae, Development. 571 



Plasmodiojihora Bra*sicse, 496 



Plasruodiophoraeeae, 634 



Platycerium, Two Species, 601 



Platyhelminthes. See Contents 



Pleochroic Halos, 243 



Plessis. Du, Life-cycle of Eleutheria. 323 



Pleurococcacese, New Geinis, 202 



Pleurodeles, Skin, 445 



Pleuroperitoneal Cavity in Birds, Develop- 

 ment of Subdivisions, 151 



Pleurosigma, Fresb- water, with Oblique 

 Striae, 799 



Plumage of Hybrids between Guinea Fowl 

 and Fowl. 444 



Pocock, R. I., Agriotype of Domestic Asses, 

 158 



— Colours of Equidae, 22 

 Podocarpineae. Morphology and Relation- 

 ships, 731 



Podoscypha undulata, 77 



Podpera, J., Moss-flora of Moravia, 57 



Pohlia carnea in Transylvania, 609 



— Some Critical Species, 60 



Polar Bodies in Arion empiricorum, 26 

 Polarimeterfor Measurement of the Refrac- 

 tive Index of Opaque Bodies, New 

 Form, 93 



— Half-shadow, Zehnder's New, 227 

 Polariscope. Use of in Testing High- 

 tension Insulators, 98 



Policard, A., Vital Staining of Trypano- 

 somes. o84 



Pollen. Quick Method of Preparing and 

 Staining, 380 



Pollination-mechanism in Ricinus, 332 



Poluszynski, G., Abnormalities in Genital 

 Ducts of Helix pomatia, 303 



Polychfetes, American. 315 



Polychaets from Atlantic adjacent to Ire- 

 land, 457 



— Peruvian, 35 



Polychoerus caudatus, Structure, 459 

 Polydesmus, Structure, 310 

 Polypodium Brunei, Tubers, 734 



— vulgare. Varieties, 601 



Polyscopic Cell, 673 



Polystomum iidegerrimum, Eyes, 582 



Nervous System, 582 



PolytrichaceaB, 343 



— Mechanism of Leaf-movements, 735 



— of Western North America, 738 

 Polyzoa, Fresh-water, Australian, 320 



— of Madeira, 37 

 Polyzoon on Pontobilella, 460 

 Pond-life Exhibition. 798 

 Pontobdella muricata, Trypanosome in 



Alimentary Tract, 326 



— Polyzoon on, 460 



Poole. M., Development of Subdivisions 

 of Pleuroperitoneal Cavity in Birds, 

 151 



— Madreporaria from Mergui, 463 



— Studying the Development of Aplysia 



punctata, 774 

 Popovici-Baznosanu, A., Larvae of Mega- 



toma. undata, 452 

 Porcher, C, Testing for Indol iu Microbic 



Cultures, 373 

 Porifera. See Contents 

 Porter, — , Aloys Sodiro, 192 

 Porter, A., Bacillus arenicolse, 86 



— Disease iu Arenicola, 35 



— Studying Structure and Life-history of 



Crithidia melopltagia, 664 

 Porter, A. E., Detection of Tubercle bacilli 



iu Faeces, 672 

 Porter, H. L., Properties of Gold-leaf at 



High Temperatures, 387 

 Portevin, A., Hardness of Quenched Steels, 



391 

 Portevin, A. M., Special Ternary Steels, 



121 

 Post-antennary Organ of Collembola, 453 

 Post-embryonic Development of Unionidae, 



164 

 Potato-wart Disease, Life-history and Cy- 

 tology, 205 

 Potatoes, Bacterial Disease, 499 

 Potebnia, A., Contribution to the Micro- 

 fungus Flora of Central Russia, 355 

 Potter, — , and others, British Mycology, 



493 

 Potts, F. A., Hermaphroditism among 



Free-living Nematodes, 722 

 Poyser, W. A. and others, North American 



Ferns. 51 

 Pratt. H. S., Cuticula and Subcuticula of 



Trematodes and Cestodes, 318 

 Prawn, Blind, from Galilee, 313 

 Predtjetschensky, W., bacillus of Typhus 



Fever, 638 

 Pregnancy, Leuco-reaction, 296 

 Preparation and Staining of Neuroglia, 



776 

 Preparing Objects. See Contents 

 Preservative Kluiils. See Contents 

 President, The, 129, 130. 134, 266-269, 272. 



5H2-534, 536. 801-804. 806 



