756 
INDEX. 
Opisthobranchs of ‘ Albatross ’ Expedition, 
301 
Optic Ganglia in Decapoda, 526 
“ Opticall Sections,” 257 
Optics at World’s Fair, Chicago, 112 
— Microscopical. See Contents, xxxi 
Opuntia, Propagation, 656 . 
Ora Serrata, Zonula and, 293 
Orbit, Echinococcus of, 538 
Orford, H., Lens Work for Amateurs, 373 
Organic Structure, 414 
Oribatidse, Form and Proportions of Brain 
in, 274 
Orienting Infusoria and other small objects j 
for the Microtome, New Method, 379 
Orlowsky, — Indol Reaction in Diphtheria 
Cultures, 596 
Orth, J., Excretion of Bacteria in Disease 
of Medulla of Kidney, 468 
Orthoptera, Vascular Ampullae in Head, 307 
Ortmann, A. E., Atyidae, 174 
— Crangonidae, 630 
Osborn, H., Biology of Horse-Bot, 172 
Oscarella , Development, 320 
Osmic Acid, Formalin as a Fixative instead 
of, 606 
Influence on Preservation of Nuclear 
Structures, 608 
Staining of Myelin and Fat by, 124 
Iron-Haematoxylin Staining Method, 
128 
Osmotic Phenomena in Plants and Ani- 
mals, 617 
Osmvnda , Conducting System of Stem, 552 
Ossicles, Development of Auditory, 289 
Ostracoda, Freshwater, 530 
Ostroumoff, A., Springing or Flying, 310 
Ostrowsky, — Oidium albicans , a Patho- 
genic Fungus, 559 
Otocysts of Mysis, 630 
Oudemans, C. A. J. A., New Genera of 
Fungi, 80 
Ova, Cleavage of Ascidian, 42 
— Mitosis of Ascaris, 119 
— of British Fishes, 155 
— of Isopods, Examination of Segmenting, 
379 
— Revivification of Copepod, 530 
Ovaries of Hemiptera, Amitosis in, 423, 
485 
Ovary, Medullary Strands of, in Fox and 
Man, 31 
Overton, E., Osmotic Phenomena in Plants 
and Animals, 617 
Oviducts, Development in Man, 507 
Ovules of Begonia, Abnormal, 547 
Ovum, Fertilisation of Echinoid, 433 
— Segmentation in Terrestrial Isopods, 
311 
Owenia fusiformis, Filiform Glands, 54 
— Nephridial Duct, 53 
Oxalate, Calcium, in Leaves of Conifers, 
650 
Oxalideae, Sensitive Organs of, 336 
Oxygen, Influence on Alcoholic Fermenta- 
tion, 200, 658 
— Liberation of, demonstrated by Bacteria, 
338 
Oysters, Seat of Coloration of Brown, 418 
Ozone, Sterilisation of Water by, 698 
P. 
Pachomoff, — ., Vitality of Cholera Vibrios 
on Food-stuffs, 94 
Pacific Coatt of California, Oligochaeta, 
427 
— Holothurians from Eastern, 58 
Packard, A. S., Inheritance of Acquired 
Characters, 297 
— Phylogeny of Lepidoptera, 421 
— Subterranean Fauna of North America, 
297 
— Systematic Position of Siphonaptera,. 
171 
Palaeontology, Bibliography of North 
American, 618 
Palla, E., Mougeotiopsis, a New Genus of 
Conjugate, 205 
Palladin, W., Vegetable Albuminoids, 648 
Palmyrskv, W., Indol Reaction in Diph- 
theria Cultures, 596 
— Sensitiveness of Marmot to Vibrio 
Metchnikovi , 354 
Paludina, Origin of Mesoderm, 44 
Pummel, L. H., Parasitic Fungi, 208 
Pampaloni, L., Fruit of Aucuba, 652 
Pancreas, Development in Frog, 609 
Panereatin-digestion of Sputum for De- 
monstrating Tubercle Bacilli, 600 
Pane, N., Methylen-blue Staining Gra- 
nules of Pneumonia and Anthrax, 603 
Panthalis oerstedi, Tube-forming Habits, 
531 
Papin’s Digester, Modified, 377 
Papilionaceae, Assimilation of Nitrogen, 
656 
Paraffin Imbedding, Apparatus for, 120 
Method for Marking Small Objects, 
490 
Micro- Aquarium which cau be used 
for, 119 
— Ribbon Sections, Cutting and After- 
treatment of, 121 
— Sections, El< ctrical Phenomena of, 602 
New Method for Securing to Slide 
or Cover-glass, 493 
Paranuclear Body in Blood-Cells, 613 
Paramxcium, Nettle- threads, 643 
— Study, 702 
Parasite, New Human, 424 
— of Molluscura Contagiosum, 188 
— on Fishes, Protozoan, 327 
Parasites, Defence against, 49 
— Diseases of Plants caused by Crypto- 
gamic, 555 
