INDEX. 



625 



Myxine, Vascular Sjstem of, 528 



Myxobolus, New, 269 



Myxogastre^, 292 



Myxomycetes, Formation of theCapillitium 



in certain, 388 

 — from the Jura Mountains, 198 

 Myxomyriangium, 192 

 Myzostomid, New, 352 



N 



Nagler, K., Schizotrypanum cruzi, 50 

 Nannoplankton of tlie Lake of Zug, 533 

 National Physical Laboratory, 512, 591 

 Naumanu, E., Colouring of Fresh-water by 

 Algse, 307 



— Notes on Fresh-water Algae, 469 

 Nead, J. H., Heat-treatment of Steel, 221 

 Neal, H. V., Morphology of the Eye- 

 muscle Nerves, 314 



Necrobia ruficollis, Structure of, 254 



Nectaries, Organisms in, 55 



Nectriella, .Study of, 373 



Neeff, F., Cell-arrangement, 554 



Nelson, L. M., Measurement of the Initial 



Magnifying Towers of Objectives, 394 

 Neinatocysts, Autogenesis of, 468 

 Nematode, Marine, in Sub-alpine Swiss 



Lakes, 259 



— New, from a Buzzard, 259 

 Nematodes, Antarctic, 259 



— Development of, 172 



— Fresh- water, 259 

 — ■ New, from Soil, 44 



Nemec, B., New (ienusof Saprolegniacese, 



191 

 Nemec, R., New Genus of Chytridiacese, 



191 

 Neiniehthydse, Larval Phases of, 157 

 Ncmatocysts, Alleged, o l Pleurophyllidiaa, 



346 



— and Trichocysts of Polykrikos auri- 



cuhtria, 177 



— of Campanella, 48 



— of Polykrikos, 48 



Nerve-cells, Adult, Mitochondria in, 37 



— Degeneration of, in Embryonic Nerve- 



cord, 36 

 Nerve-cord, Embryonic, Degeneration of 

 Nerve-cells in, 36 



— of Amphioxus, Minute Structure, 524 

 Nerve-endings in Chelonia, 526 



— in Crocodile, 36 



— in Pericardium of Man and other 



Mammals, 439 

 Nerve-fibres, Relation between Diameter 



of, and their Rapidity of Action, 161 

 Nerves, Eye-muscle, Morphology of, 314 



— Medullated, Modification of Pal's 



Method of Staining, 312 



— Mixed, Demonstrating the Structure of, 



416 



Dec. 16th, 1914 



Nerves, Peripheral, Changes of, during 



Metamorphosis, 41 

 Nervous System of Amphioxus, 36 



Central, of Tunica nigra, 249 



of Cristatella mucedo, 175 



of Myopsidae. 444 



of Polychsets, 258 



— Systems of Insects, Comparison of, 165 

 Neumaun, F., Study of Hooded Fowls, 



530 

 Neumann Lines, 423 

 Neurofibrils of Leech, 543 

 Neuville, H., Glans-penis in Rodents, 38 

 of Felidse, 37 



— Penis of Bats, 38 



Newts, Vascularization of Skin in, 528 



Nicholson, W. E., New British Hepaticse, 

 468 



Nicoll, W., New British Trematodes, 174 



Trematodes, 355 



Niedermayer, A., Minute Structure of 

 Veretillum, 454 



Nienburg, VV., Development of Poly stigma 

 rubrum, 376 



Nilsson, Nervous System of Polychsets, 258 



Nissl's Granules, 524 



Nitophyllum punctatum, 282 



Spores on Sexual Plants of, 372 



Nitrogen Fixation by Azotobacter in Sub- 

 strata Poer and Rich in Nitrogen, 

 571 



— of, by Soil Fungi, 64 

 Nitrogen-assimilation by Plant-hairs, 361 

 Nitrogenous Food of Filamentous Fungi, 



381 

 Nobert. Possible Methods of Ruling used 



by, 490 

 Noc, F., Latent Life in Protozoa, 267 

 Nomura, E., Japanese Aquatic Oligochaeta, 



352 

 Northrup, Z., Bacterial Disease of the 



Larva of the June Beetle, Lachnos- 



terna, 485 

 Nothnagel, M., Chromosomes of Allium, 



51 

 Notochord in Cyclostomes and Fishes, 37 



— in Lizards, Development of Cartilage 



of, 160 

 Nuclear Division in Cyclops, Influence of 



External Conditions on, 451 



in Preissia, 1 83 



in Spirogyra, 57 



in Tetraspora lubrica, 186 



Nuclear Substance and the Origin of 



Fibres, 524 

 in Relation to Fibrous Elements, 



438 

 Nucleus, Amoeba, Structure and Division 



of, 358 



— and Crystal Formation, Relation be- 



tweeu, 51 

 Nudibranchs, Salivary Glands of, 445 

 Nutrition and Striped Muscle, 531 



2 T 



