INDEX. 
809 
Nucellus of Ovule of Croton, 368 
Nuclear Division in Euglena , 577 
in Hymenomycetes, 380 
in Noctilnca, 464 
in Pollen-mother-cells of Lilium 
Martagon, 74 
Nucleated Red Corpuscles, Demonstrating, 
639 
Nuclei, Degeneration, 326 
— of Anthrax Spores, 385 
Staining, 406 
— of Embr) T o-sac, Chromatophily of, 473 
— of Mucorini, 486 
— of Yeast, Fixing and Staining, 276 
Nttclein Acid, Action on Bacteria, 607 
Disruption Products, 552 
Nucleoles and Centrosomes, 583 
— Behaviour during Karyokinesis, 583 
Nucleolus in Psilotum, 360 
Nucleus and Cytoplasm, Independence, 
467 
— and Protoplasm. 44 
— Centrospheres, 581 
— Function, 582 
— in Mucorini, Structure, 701 
— Interactions between, 43 
— Nature, 582 
— of Crescentiform Bodies of Malaria, 
Structure, 466 
— of Diatoms, 240 
— of Germinating Seeds, 74 
— Relations to Spore-formation in Liver- 
worts, 232 
— Structure, in Ovarian Ovum of Triton, 
545 
Nusbaum, J., Behaviour of Pigment Gra- 
nules during Karyokinesis, 44 
Nutrition of Phanerogams. See Con- 
tents, xxii 
Nutritive Processes in Porifera, 461 
Nymphsecese, Leaves, 366 
— Morphology, 588 
Nypels, — ., Tubers of Apios tuberosa and 
Helianthus tuberosus, 83 
O. 
Obelici, Regeneration, 459 
Object-glasses, Method for Increasing the 
N.A. of Old Achromatic, 286, 413, 518 
Objectives. See Contents, xxxi 
Octineon Lindcihli , 208 
Octopus Digueti, Breeding Habits, 328 
— vulgaris, Fecundation, 554 
Oculiferous Tentacle of Helix pomatia , 
Nerves, 440 
GEsophageal Glands in Nematodes, 63 
Ogata, M., Cultivating Protozoa, 123 
Ohlmacher, A. P., Production of Artefacts 
by certain Fixatives, 757 
Oils, Formation and Localization of Fatty 
and Essential, 372, 703 
Olfactory Organ, Development in Tele- 
ostei, 665 
Oligochaita, New or Little-known, 683 
— of E. Tropical Africa, 568 
— Septal Glands, 682 
Olive, E. W., "Histology of Pontederia , 586 
Olive Oil, Influence on Disinfectants, 608 
Oliver, F. W., Effects of Fog on Plants, 
231 
Oncidiella coquimbensis, 556 
Oncidiidie, 47 
Oncodes , Larva, 675 
Ontogenetic Differentiations of Ectoderm 
in Necturus, 39 
Oocystis asymmetrica, 14 
— crassa, 15 
— elliptica , 14 
— gigas, 14 
var. incrassata, 14 
— nodulosa, 15 
— Novas Semlias, 13 
— var. maxima, 13 
— panduriformis, 15 
var. pachyderma , 16 
j — solitaria, 15 
var. notabile, 15 
Oogenesis in Cyclas, 330 
— in Micronereis variegata, 199 
Oolitic Sand from Great Salt Lake, 536 
Ophelia radiata, Chloragogen, 341 
Ophioglossacese, Symbiotic Fungus, 94 
Ophiopus arcticus , 67 
Ophiuroids of Mauritius, 349 
— of North Sea, 67 
Ophryotrocha, Development, 340 
Optical Properties of Wood, 519 
Optics, Microscopical. See Contents, xxxi 
— of Photography, 741 
Orbulina, Enclosure of Globigerina by, 464 
Orchidese, Aerial Roots, 473 
Organogeny of Asterina gibbosa, 206 
Orienting Small Objects for Sectioning, 
532 
Origin of Blood, 175 
— of Mammals, 172 
Orlowski, — ., Demonstrating Sulphuretted 
Hydrogen generated by Bacteria, 530 
Orthoptera, Alimentary Canal, 445, 560 
— Anatomy and Development of Female 
Genital Armature, 191 
— Heart, 675 
— of Galapagos, 55 
Orthochromatism applied to Photomicro- 
graphy, 113 
Ortmann, A., Pelagic Schizopoda, 679 
Osborn, H. L., Perigonimus , 351 
Oscillatoriaceae, 241 
Osenbrug, — ., Rumination of Seeds of 
Areca Catechu, 706 
Osmic Mixtures, Bleaching Animals and 
Sections fixed with, 534 
Osseous Tissue, Method for Histological 
Examination, 130 
