754 
INDEX. 
Nasse, O., Action of Fermeuts, 358 
Nassonoff, N., Morphology of Stylops 
melittx , 170 
Nastiukotf, — Cultivation-media con- 
taining Egg-yolk, 376 
Natal, New Filaria from, 533 
Nautilus Pompilius , Anatomy, 619 
— Sexual Dimorphism, 520 
Naviculoid Diatoms, 212 
Nawaschin, S., Chalazogamv of Birch, 548 
— Embryology of Hazel, 654 
— Hetercecious Ascornycete, 81 
Nectar, Influence of Soil on Production, 
190 
Necturus , Development, 290 
— maculatus , Study, 484 
Neisser, — ., Microscopical Plate Counting, 
597 
Nelson, E. M. t 255, 281, 390, 393, 498, 711, 
714 
— Grayson’s Rulings, 134 
— “ Loup,” 236 
— New Erecting Camera Lucida, 21 
— — Magnifying Lens with Combined 
Illuminator, 232, 254 
— Points in Connection with Microscopic 
Drawing, 21, 135 
— Portable Microscope by Zentmayer, 26 
— Substage Apochromatic Condenser with 
Collar Correction, 229, 254 
— Zeiss’ Patent Binoculars, 360 
Nemalion multifidum , Fertilisation of, 340 
Nemathelminthes. See Contents, xv 
N ematode Larvae, 634 
— New, 634 
Nematodes, Cuticular Structures, 428 
— Notes, 315 
Nemertine, New Zealand Land, 535 
Nephridia, 513 
— of Gnathobdellidae, Sphincter of, 56 
— of 1‘hylactolaematous Polyzoa, Examina- 
tion of, 379 
Nephridial Duct of Owenia, 53 
Nephridium of Endoproctous Polyzoa, 419 
— of Phylactolaematous Polyzoa, 303 
Nephritis, Capsule Bacillus of Suppura- 
tive, 352 
Nerve-cell, Particular Type in Middle 
Ganglionic Laver of Bird’s Retina, 
510 
— Terminology, 40 
Nerve-cells during Functional Activity, 
Changes, 512 
centres, Anatomy, 160 
— chain of Leeches, Ganglia of Ventral, 
532 
cord of Crustacea, Post-oesophageal, 
309 
— of Earthworm, 428 
— Endings, Free, in Cestodes, 537 
— Fibres, Heading, 39 
of Vertebrate Heart, Demonstrating, 
492 
Nerve-plexus of Ctenophora , Sub-epithe- 
lial, 541 
Nerves, Development of Trigeminal, 507 
— Endings of Secretory, 293 
Nervous System, Central, of Desmognathus 
fusca. Examination of, 378 
of Shore-Crab, 528 
Development in Larvas of Compound 
Ascidians, 299 
Histology in Insects, 168 
of Embryonic Crustacea, Staining, 
124 
of Insects. Staining, 124 
j Sub-intestinal, 45 
— Tis-ue, Minute Structure, 613 
-to Demonstrate Changes in Cells, 
Fixing and Staining, 603 
; Nest, Warmth in Wasp’s, 524 
| Nestler, A., Fasciation, 195 
— Leaves of Cycadem, 450 
— Water-stomates, 651 
Nests of Pelagic Fishes, 298 
— of Vespa crabro, 169 
Netter, — ., Plague and its Microbe, 351 
Nettle-threads of Faramxcium, 643 
Neuhauss, R., First Photomicrogi am in 
Natural Colours, 109 
Neumann, G., New Filaria from Natal, 
533 
Neumayer, H. L., Brain of Pike, 383 
Neural Crest, Cephalic, of Selacliii, 291 
Neutral Red, 128 
Newcombe, F. C., Formation of Lysigenous 
Cavities, 191 
New Jersey, Cretaceous Foraminifera, 186 
— South Wales, Land Planarians, 430 
New Enteropneusta from, 432 
— Zealand, Cryptozoic Fauna, 42 
Land Nemertine, 535 
Land Planarians, 535 
— — Reteporre, 621 
Nichols. M. A , Abnormal Vaucheria , 555 
Nickerson, W. S., Stichocotyle nephropis, 634 
Nicolaiex, A., Capsule Bacillus of Sup- 
purative Nephritis, 352 
Nicolle, M., Difficulty of Isolating Bacillus 
typhosus in presence of Bacterium coli 
commune , 352 
— Modification of Gram’s Method, Stain- 
ing with Thioniu, 604 
Nicotra, L., Cross- and Self-Polliuation, 197 
— Influence of Lime on Vegetation, 656 
Nielsen, J. C., Plaster and Brick Blocks 
for growing Yeast, 241 
Niemann, F., Atlas of Photomicrographs 
of Microparasites, 222, 237 
Niessen, — . van, Canceromyces , 344 
Nikolski. A. D., Relative Tendency of dif- 
ferent Fabrics to be Contaminated by 
Microbes, 356 
Nitrates, Assimilation by Plants, 198 
Nitrogen, Assimilation by Papilionacese, 
656 
