764 



INDEX. 



Nelson, E. M., Pocket Microscope, 103 



— Resolution of Amphi pleura pellucida, 



397 



— The Working Aperture, 227, 242 



— Tube-Length, 123, 225 



— Two Old Microscopes, 227 

 Nelunibium, Embryology, 663 

 Nematodes, Germinal Layer, 420 



— Modes of Keproduction, 534 

 Nematohelminthes. See Contents, xvii 

 Nemec, B., Centrosome-like Structures in 



the Vegetative Cells of Vascular 

 Plants, 548 



— Conduction of Irritation in Plants, 667 



— Effect of Low Temperatures on Meri- 



stematic Tissues, 549 



— Fibrillar Structure of Protoplasm, 656 



— Formation of Vacuoles, 49 



— Perception of Geotropic Irritation, 61 

 of Gravitation by Plants, 437 



— Plagiotropic Change of Orthotropous 



Roots, 558 

 Nemertea from Chili, 538 



— New British, 650 

 Nemertean, New, 158 

 Nemertine, Fresh-water, 280 



Neottia nidus-avis, Eudotrophic Myco- 

 rhiza, 193 



Nepenthes, Digestive Secretion, 290 



Nephrostomes and Segmental Canals in 

 Selachians, 25 



Nereis virens, Incomplete Duplication of 

 Parts, 647 



Nerve-cells, Canaliculi, 19 



in Guinea-pig, Degeneration, 636 



Micro-Chemistry, 140 



Structure, 405 



Nerve-cord, Position in Aboihrium rect- 

 angulum, 649 



Ventral, of Myriopods, 528 



Nerve-endings in Arteries, 636 



in Butterflies' Wings, 524 



in Lymphatics of Mammals, 636 



in Pike, 513 



Nerve-fibres, Polarised Light for Investi- 

 gating, 603 



Nerve-tissue, Silvering, 90 



Nerves, Development of Peripheral, 136 



— of Hard Palate in Mammalia, 262 



— Relation of, to Muscle, 140 



Nervous System and Luminous Organs of 

 Argyropeleciu hemigymnus, 517 



Central, of Rabbits, 261 



of Capulus liungarieus, 522 



of Crayfish, 37 



of Distomum hepaticnm, 157 



of Lucernaridoe, 282 



of Luuibricidaj, Regeneration, 647 



Peripheral, of Salmo solar, 136 



— Tissue, Method of Making Sections, 



465 

 Net, Birge's Cone, 719 

 Netter, A., Bees as Reflex Machines, 33 



Neufeld, L., Smegma Bacilli, 320 

 Neuroglia Fibres, Staining with Phosplio- 

 tungstic Acid Hsematoxylin, 91 



— in Snail, Structure, 521 



— Structure of Human, 20 



Neutral Red for Detecting Bacillus coli 

 in Water, 715 



Researches, 600 



New Forms, Production, 559 



Newbigin, M. J., Notes on Clyde Poly- 



ehajtcs, 156 

 Nickel and Iron Alloys, Micro-structure, 



342 

 Nickerson, W. S., Distomum arcanum, 42 



— Double Forms of Loxosoma, 43 

 Nicolai, K. H., Bacteriological Researches 



on Roots and Seeds of Hedysarum eoro- 

 narium, 451 



Nicolas, J., Resistance of Spores of Actino- 

 myces, 319 



Nicolaysen, L., Cultivation of Gonococcus 

 ou Agar, 464 



Nikolsky, — ., Feeding Animals on Food 

 contaminated with Anthrax Spores, 77 



Nitella, Pseudo-Htrmaphroditism, 305 



Nitre-formation, Micro-organisms of, 315 



Nitrification, Organisms of, 45>l 



Nitrogeu, Absorption by Plants, 6L 



— Sources of, for Fungi, 442 

 Nitrogenous Contents of Green Leaves, 



54!> 

 Noack, F., Parasitic Fungi, 567 

 Noack, W., Development of Muscidas, 641 

 Nodes of (irasses, Sensitiveness, 303 

 Noe, G., Mode of Filarial Infection, 41 



— Propagation of Blood Filarial 536 

 Noll, F., Polarity and Regeneration of 



Bryopsis, 188 

 Nordenskiold, E., Influence of Alterations 



in Salinity, 265 

 Nordhausen, M., Branching of Cladophora 



and of some Monosiphonous Algaj, 188 

 Northumberland Marine Investigations, 



144 

 Nostoc puncti/orme, 685 

 Nostocotheca g. n., 70 

 Nostrils, Development in Lizard, 033 

 Nowakia and Tentaculites, 28 

 Nuclear and Cell-Division in Fuligomrians, 



194 

 in Hepaticse, 185 



— Division in Pellia, 561 



in Protozoa, 163 



in Spirogyra, 187 



Nucleus, Movements, 288, 54S 



— of the Lower Algae, 188 



— of Trapezoid Body, Structure, 19 

 Nucula delphinodonta, Development, 523 

 Nusbaum, J., Fresh-water Polychsete, 156 



— Origin of Lymphoid Elements of Thy- 



mus in Teleosts, 13S 

 Nusbaum, — ., Notes on Dybowscella baica- 

 lensis, 532 



