INDEX. 
747 
Nervous and Muscular Systems of Ligula , 
629" 
— System in Skate, Transient, 496 
Transit nt Disappearance in Elasmo- 
branehs, 604 
of Cestodes, Preparation, 529, 571 
■ -of Ccelentera, G34 
of Crustacea, 521 
of Necturus, Development of Peri- 
pheral, 171 
of Rhizostoma, 318 
Presence of Influenza Bacilli in 
Central, 567 
— Tissue, Method of Preserving, 578 
Nestler, A., Leaves of Ranunculus aud 
Htlleborus, 327 
Nest, History of Wasps’, 57 
Net, Effectiveness in excluding Insects, 
305 
Nenmayer, L., Ketina of Selachians, 608, 
698 
Neurodendrites, Amoeboid Movements, 175 
Neuroglia, Demonstrating Structure of 
Human, 693 
— Nucleus of Ganglion-Cells, 297 
Neurology, Use of Formalin, 577 
New Britain, Polyclads, 527 
Newcombe, F. C., Regulatory Formation 
of Mechanical Tissue, 82 
New York, Bacteria from Air, 456 
Newts, Examining Spermatheca in, 256 
Nicol’s Prisms, Method for Exact Adjust- 
ment, 463 
Nicholas, J., Influence of Glucose on Sta- 
phylococcus pyogenes aureus , 566 
Nichols, M. A., Life-History of Symplocar- 
pus fcctidus , 324 
Nicotra, L., Cross- and Self-Fertilisation, 
328 
Nielsen, J. C., Development of Spores of 
Saccharomyces, 96 
Niessiug, C., Spermatogenesis of Mammals, 
602 
Niessing, G., Cell Studies, 44 
Nilsson, A., Parasitic Fungi, 547 
Nitrate-forming Bacillus, 105 
destroying Bacteria, Inhibitory Action 
of Air, 664 
Nitric Acid, Micro-chemical Reaction for, 
687 
Nitrification in Soil, 457 
— Microbiology, 664 
Nitrite Ferment, Cultivation Medium for, 
251 
Nitrogen, Assimilation by Fungi, 334 
— Free-, Absorption by Plants, 209 
Nitrogenous Substances, Relation between 
Respiration, 542 
Noetzel, W., Degeneration of Tissue in 
Tadpole’s Tail, 37 
— Demonstrating Capsules of Micro-Or- 
ganisms, 351 
Nolf, P., Gestation of Vespertilio murinus, 36 
Noll, F., Mechanics of Curvature Move- 
ments, 89 
— Sensi tiveness of Plants, 652 
— Twining of Climbing Plauts, 210 
Norman, A. M., Monograph of Ostracoda, 
310 
North, Sir F., 145 
Northern Calcispongi®, 636 
North Wales Entomostraca, 625 
Nose-Piece, the R.M.S. Standard Screw- 
Thread for, 389 
Nostochine®, Conjugation, 100 
Nowak, J., Apparatus for Stretching Pa- 
raffin Sections, 359 
— Microtome with New Device for Raising 
and Lowering Objective, 695 
Nuclear Division, Direct, in Embryo-Sac 
of Lilium Martagon, 322 
in Charace®, 442 
in Collozoum , 195 
Substance in Development of Cyclops , 
Paternal and Maternal, 187 
in Hepatic®, 90 
of Euglena , 77 
Nuclei, Cell-, of Fungi, 214 
— in Endosperm of Fritillaria imperialis , 
Abnormal, 201 
— in Merismatic and Sporogenous Tissues, 
199 
— of Fat-Cells, 500 
— of Lilium longijlorum , 201 
— of Uredine®, 97 
— Sexual, Formation in Lilium Martagon, 
640 
Staining, 698 
Nucleoles in Merismatic and Sporogenous 
Tissues, 199 
Nucleus, Basic Substances, 606 
— Behaviour in Growing Cells, 322 
— Cell-, Behaviour in Formation of Auxo- 
spores of Epithemia , 221 
Demonstrating Structure and Com- 
position, 358 
— Chromatophily, 641 
— Division, 535 
in Ascus of Ascomycetes, 33S 
of Fungi, 214 
in Spirogyra, 200 
— Form, Structure, and Division, 176 
— Function in Fungi, 331 
— Hypertrophy caused by a Parasite, 641 
— in Spermatogenesis, Accessory, 184 
— of Ganglion-Cells and Neuroglia, 297 
— Parasites, 446 
— Structure, 396 
— Yolk-, and Pular Rings, 499 
Nu baum, J., Development of Hypophysis, 
494 
— Fixation of Paraffin Sections with Dis- 
tilled Water, 478 
Nussbaum, M., Evolution of Muscles, 603 
— Mechanism of Egg-laying in Frog, 
173 
