674 



INDEX. 



Polymagtix and its Affinities, 587 

 Polymorphism of Anursea aculeata Ehrbg., 

 585 



— of Trypanosoma gamhiense, 73 

 Folyphagus Euglense, Life-history and Cy- 

 tology of, 510 



Polypodium, Chromosomes in, 296 



— vulgare, 397 



PolyporacesB, Study of Structure, etc., 609 

 PoJyporus squamosus. Observations on, 408 

 Polyiftigma ruhrum, 87 

 Polytrichum, Antheridial Development in, 

 81 



— Discoloration of Cell-membrane in, by 



Alkali, 299 



— Spermatogenesis in, 177 

 Pond Life Exhibition, 339 



Ponselle, A., Modification of the Novy- 

 McNeal Medium for Cultivating 

 Trypanosomas, 214 



— Staining Trypanosoines, 432 

 Porifera. See Contents 

 Porous Metals, 109 



Portevin, A., )8 Constituents of the 

 Aluminium-bronzes, 434 



— Chemical Method for Investigation of 



Alloys, 219 



— Elastic Limit of Alloys, 436 



— Influence of Annealing upon the 



Structure of Alloys, 436 

 Potato Tubers, Kotting of, 311 

 Potts, F. A., Stolon-formation in Trypano- 



syllis, 161 

 Power of a Microscope, 210 



— Relation of Aperture to, 209 



— Resolving, of the Microscope, 213 

 Prawn, Blind, of the Lake of Tiberias, 



Structure of, 482 



Prawns, Fan Setae of, 289 



Preparation of Ascaris Ova, 216 



Preparing Schizophyceae, New Method, 

 599 



President, The, 115, 223, 225, 439, 644-7 



Presidential Address, '' Bedellus immor- 

 talis," 118, 121 



Price, R., Observations on Polyporus squa- 

 mosus, 408 



Primrose, H. S., Heat-treatment of Gun- 

 metal, 540 



Primrose, J. S. G., Heat-treatment of Gun- 

 metal, 540 



Primulus kewensis, Cytology of, 296 



Prionitis, Cystocarps of Antithamnion 

 and, 604 



Pritchaid, Andrew, Old Microscope by, 

 100 



Coi rection, 320 



Projection Lanterns, Bausch and Lomb's, 

 201 



Pronephros of Chrysemys marginata, 568 



Prothalli, Fossil, 78 



Prothallium of Anogramma leptophylla, 



Protococcales, Systematic Arrangement of, 



602 

 Protocorm of I^ycopodium, 500 



— of Opiiioglossum, 298 

 Protoplasm, Extra-cellular, 572 

 Protoplasmic Streaming in Mucor, 311 

 Protozoa, Danish Plankton, 496 



— Demonstrating the Presence of, in Soils, 



329 



— New Division of, 294 



— Soil, 587 



— See also Contents 



Prurot, G., Formation of Setae in Poly- 



chaets, 386 

 Psammosplisera fusca (Schulze), Distribu- 

 tion of, in the North Sea, 1 

 Psaronius hrasiliensis, 175 

 Pseudolithophyllum, New Sub-genus, 508 

 Pseudoplexaura crassa, Structure of, 493 

 Pseudopods of Foraminifera, Fixing, 426 

 Psyllid, Gall-producing, Remarkable, from 



Syria, 287 

 Pteridophyta, Morphology of, 299 



— See also Contents 



Puttemans, A., Some Diseases of Culti- 

 vated Plants, 191 

 Pycnothyrium, 512 



Q 



Quekett Microscopical Club. 213, 327,423, 



630 

 Presentation of John Cuthbert's 



Reflecting Microscope by, 98 

 " Queketter," Dark-ground Illumination, 



325 

 Quenching, Formation of Twin Crystals 



by, 333 



R 



Raabe, H., Method for Demonstrating 

 Nuclear Structure, 217 



— Nuclear Division of Amcehidium para- 



siticum, 295 



Rabl, H., Development of Derivatives of 

 the Visceral Cleft Region, 471 



Radiotilum, 181 



Radium-rays, Influence of, on Germ-cells, 

 574 



Radley, Mr. P. E., 112,641 



Ranisbottoni, J., Cytology of Fungus Re- 

 production, 515 



— Uredineae, 511 



Raskin, M., New Method of Staining 



Diphtheria Bacilli, 331 

 Rassbach, R., Minute Structure of Shell 



of Anodonta cellensis, 64 

 Ratz, S. v., Plerocercoid from Pig, 292 

 Ravaz, I.i., Resting Spores of Plasmopara 



viticola, 307 

 Rawitscher, F., Study of Ustilagineae, 89 



