026 



INDEX 



o 



Oak-wood, Resistance of, to the Attack of 



Dry-rot, 383 

 Oberhofler, P., Annealing of Steel Castings, 



90 

 Obersteiu, 0.,Tannin-idioblastsin Mesem- 



brianthemum, 553 

 Obituaries — 



Barratt, Thomas J., 237 



Grunow, Albert, 236 



Siddall, John Da vies, 238 



Tieyem, Philippe Edouard Leon van, 

 Hon. F.R.M.S., 335 

 Objectives, Measurement of the Initial 



Magnifying Powers of, 394 

 Octopus, New Copepod Parasitic on, 256 

 Ocular, Healy's Comparison, 301 

 Ocypoda Ceratophthalma, Eye of, 43 

 0'I)ono<_'hue, C. H., Artificial Production 



of Corpora lutea, 240 

 O'Donohoe, T. A., Diatom Structure, 185 

 Odoriferous Orgaus of Female Lepidoptera, 



166 

 Oenothera, Cytology of, in relation to 



Mutation, 361 



— Embryology in, 460 



— Fertilization in, 460 



Ogata, M., New Anaerobic Methods, 213 

 Ogilvy, J. W., and Caffyn, C. H.. Demon- 

 stration of a Series of Colour Photo- 

 micrographs ot Rock Sections, 231 

 Ognshi, K., Histological Peculiarities of 



Turtle, 160 

 Oidium of Huta graveolens, 375 

 Oil Drops in Discomycete Spores, 478 

 Oka, A., New Type of Compound Ascidian, 



163 

 Oknof, M., Volume Changes of Steel in 



Quenching, 424 

 Olfactory Sense in Amphibians, 247 

 Oligochaete, Epizoic, Remarkable, 451 

 Oligochasta, Aquatic, Japanese, 352 

 Olive, E. W., Study of Perennial Rusts, 62 

 Ommatobrepltus singular!*, g. et sp. n., 355 

 Onchocera volvulus. Structure of, 45 

 Ontogeny and Phylogeny of Pancreas, 



161 

 Oocsytis, 187 



— The Genus, 281 

 Oogenesis in Hormosira, 564 



— in Podurids, 42 



— in Sclerostomum, 45 



— of Zoogonus minis, 33 



Opaque Objects, Circular Slide for, 216 

 (Jpisthogenes i iderrogativus g. et sp. n., 356 

 Oppel, A., Active Movements of Epithelial 



Cells, 157 

 Oppermann, K., Effect of Radium-rayed 



Sperms on Trout Ova, 32 

 Optic Ganglia of Dragon-fly Larvse, 446 



— Tubercles in Stalk-eyed Crustaceans, 



256 



Optical and Mechanical Workshops, Out- 

 put from, 306 



— Gla>s. 581 



— Orientation of some Cast Metals, 222 

 Orchids, Tropical, Anatomv of Tubers of, 



179 

 Order of Insects, New, 165 

 Ores, Colour- photomicrographs of, 322 

 Organisms, Free-swimming, Trap for, 409 



— in Nectaries, 55 

 Orientation in Crustaceans. 451 

 Orthoptcra, Reduction of Wings in, 448 

 Orton, J. H., Ciliary Mechanisms in Am- 



phioxus, Ascidians, and Solenomya, 

 161 



— Ciliary Mechanisms in Various Types. 



344 

 Osborn, H. L , Loxogenes arcanum, 46 

 Oscillariacese, New, 368 

 Osmunda regali*. Mixed Pith in, 274 

 Osmundacese, Jurassic, from New Zealand, 



463 

 Otiorhynchus, Parthenogenesis in, 253 

 Ova, Electrical Conductivity of, 32 



— of Echiuaster sepoxitus, 47 



— of Sea-urchin, Artificial Partheno- 



genesis in, 357 



— Trout. Effect of Radium-rayed Sperms 



on, 32 

 Ovaries, Influence of Rontgen Rays on, 241 

 Ovary, Structure of, in Insects, 164 

 Overholts, L. O., Polyporacese of Ohio, 380 

 Ovum, Ascidian, Localization of Plasto- 



somes in, 162 

 Ovum, Ovarian, of Aurelia aurita. Minute 



Structure of, 455 

 Oxalis, Projection of Seeds of, 558 

 Oxyuris vermiformis, Occurrence of, in 



the Human Vermiform Appendix, 543 

 Oxidation of Type-metal, 509 



Padlewski, L., Bacillus septiczemim rana- 



rum. 68 

 Paine, J. H., New Genus of Mallophaga, 



255 

 Painter, T. S., Dimorphic Males, 168 

 Pal's Method of Staining Medullated 



Nerves, Modification of, 312 

 Palmer, R. W,, Development of Ear Os- 



sieh-s in Foetal Perameles, 33 

 Palms, Secondary Growth in, 53 

 Pallavicinia, Morphology of, 560 

 Pampel, W., Female Reproductive Organs 



in Ichneunionidae, 447 

 Pantocsek, .1., Bacillariese from Hungarian 



Strata, 186 



— Fossil Diatoms, 186 

 Pautopoda, Development of, 169 



— Regeneration in, 169 



