952 
INDEX. 
Nerita polita, Nervous System, 465. 
Nerve, Parietal, 761. 
Nerve-cells, Histogenesis, 189. 
of Sympathetic System of 
Mammals, 765. 
, Origin in Embryo, 186. 
, Staining Sympathetic, 899. 
centres, Examining, by Iodide of 
Palladium Process, 439. 
endings in Striated Muscle, Staining 
Motor, 292. 
fibres, Methods of Staining Medul- 
lated, 897, 906. 
, Structure, 462. 
tissues, Methods of Treating, 155. 
Nerves of Crustacea, Accelerator and 
Moderator, 361. 
Nervous System, Central, of Earthworm, 
612. 
, , Lower Animals, 594. 
, , New Method for Stain- 
ing, 439. 
of Ascaris megalocephala, 792, 
890. 
Cyprsea, 195. 
Echinoderms, Physiology, 214. 
Heteropoda, 352. 
Hydra, 623. 
Invertebrata, Staining with 
Methyl en-blue, 707. 
Nemertinea, 208. 
Nerita plexa and N. polita , 465. 
Stratiornys strigosa, Structure 
of Larval, 356. 
Vertebrates, Formation of 
Peripheral, 344. 
, Relation to one another of the 
Essential Elements, 18. 
Nests of Ants, Compound, 359. 
Neuhaus, R., Text-book of Photomicro- 
graphy, 108, 423. 
Neuroblasts in Arthropod Embryos, 31. 
Neuroglia, Histogenesis of, 189. 
New England, Entozoa of Marine Fishes 
of, 374. 
Guinea, British, Land Molluscan 
Fauna, 195. 
Newt, Life-history of Vermilion-spotted, 
347. 
, Spirochona tintinnabulum on gills of, 
905. 
New Zealand, Acanthodriloid Earthworms 
from, 206. 
, Occurrence of Cumacea in, 787. 
, Sponge - remains in Lower 
Tertiary Strata, 492. 
Nicol’s Polarizing Eye-piece, Investiga- 
tion of Action of, 428. 
Nicotiana, Anatomy of, 383. 
Nigella, Pollination of, 510. 
Nitrification, 73, 236, 657. 
Nitrogen, Accumulation of Atmospheric, 
by Bacillus radicicola, 823. 
Nitrogen Assimilation of Leguminosse, 
234. 
, of Free, by Plants, 511, 822. 
, Direct Assimilation of, 70. 
— — , Fixation of Free, by Plants, 234. 
, Sources in Leguminous Plants, 512. 
Noble, F., Nitrogen, Assimilation of 
Leguminosse, 234. 
Nodes of Stem of Dicotyledones, 60. 
Noll, F., Cultivation of Marine Algae, 643. 
, F. C., Nutrition of Trichosphxrium, 
805. 
Norman, A. M., British Mysidae, 610. 
, Schizopoda, 610. 
Norwegian North Sea Expedition, Crinoids 
and Echinoids of, 620. 
Nostoc, Coccoid Condition of a, 838. 
Notops minor , 212. 
ruber , 911. 
Nuclear Division, Amitotic or Direct, 18. 
in Cyclops, 607. 
Nuclei in Mucorini, 650. 
of Hymenomycetes, 654. 
Nucleole, Action in Turgidity of Cells 
631. 
• of Endosperm, Plasmogenous Va- 
cuoles of, 496. 
Nucleus in Cyanophyceae, 655. 
in Ova of Trematoda, Vitelline, 618. 
• of Plants, Staining-reactions of 
Constituents of, 819. 
, Relation to Cell-substance during 
Mitosis, 593. 
, Staining Cell-, of Pollen-grains, 899. 
Nudibranchiata holohepatica porostomata, 
352. 
Nudibranchs, Cerata, 598. 
, Innervation of Epipodial Processes, 
196. 
, Preparation, 701. 
, Two rare British, 465. 
Nuphar, Abnormal Embryos, 387. 
Nusbaum, J., Invertebrate Fauna of 
Poland, 194. 
Nutation of Flower-stalk in Papaver , 824. 
of Sunflower, 235. 
Nutrient Agar-Agar, Automatic Device 
for Rolling Culture Tubes of, 556. 
Medium, Macaroni as a solid, 279. 
Nutrition, Animal-like, of some Peridinidse, 
52. 
of Plants. See Contents, xxvi. 
of Trichosphserium , 805. 
Nuttall, G. A. F., Bacteriological Tech- 
nique, 556. 
Nylander, — ., Schwendener’s Lichen- 
theory, 242. 
O. 
Oak-cancer, 524. 
galls, Myrmecophilous, 642. 
Oat, Proteids of, 58, 809. 
