792 



INDEX. 



Objectives. See Contents, xxxv 

 Occipital Vertebrae, Primitive, 653 

 Ocelli of Epbemerids, 171 

 Octanemus, Genus, 297 

 Ocular, Simple Compensator, 600 



— Zeiss' Compensating 4* with Iris Dia- 



phragm, 491 



Oculomotor Nerve of Chick, Demon- 

 strating Development, 235 



Odin, G, Production of Stable Yeasts from 

 Fungi, 698 



Odonata, Permian, 667 



— Supposed Numerical Preponderance of 



Males, 24 

 0'Donohoe,T. A., Photography of Diatoms, 

 156 



— Photomicrographs of Diatoms and 



Podura Scales, 123 

 Odontoclasts, 165 

 Oeder, K., Intermaxillary Gland of Toad, 



15 



— Tooth-band in Toad, 8 

 CEdogonium, Cell-division, 684 

 Oesophageal Pouches in Polygordius and 



Saccocirrus, 309 

 GSstrous Cycle in Dng, 2S2 

 Oettinger, R , Abdominal Gland Pockets 



in Insects, 548 

 Ognew. S. J., Hermaphroditism in Frog, 



660 

 Oil of Indian Mites, 172 

 Oka, A., New Genus of Synnscidian, 433 

 Oleander, Bacterial Disease, 712 

 Oleosole, Ultramicroscopy of, 366 

 Oliirochaeta, Italian, 310 



— Relationships, 310 

 Oligochsets, New Species, 671 

 Oligonitropbil and Mesonitrophil Bacteria. 



211 

 Oliva peruviana, Structure, 298 

 Olive, E. W., Morphology and Develop- 

 ment of Empusa. 342 



— Studying the Morphology and Develop- 



ment of Empusa, 376 

 Olive-trees, Tubercular Disease, 89 

 Olive Tubercle, Bacillus, 88 

 Oliver, F. W., 119 

 Oltmanns, — ., Morphology and Biology of 



Algse, 62 

 Onagracese, Development of Pollen-grain 



and Anther, 454 

 Ontogeny and Interpretation of Siphono- 



phore Colony, 317 

 Onychophora, Australian, 440 



— Monograph, 170, 303 

 Oochoristica, Genus, Distribution and 



Geologic.il Age, 313 

 Oocyte in Antedou, Growth, 554 

 Oocytes of Queen Termite, Effects of 



Parasites on, 302 

 Oogenesis and Spermatogenesis, Demon- 

 strating the Phenomena of Maturation, 

 233 



Oogenesis and Spermatogenesis in Cyclops 



strenuus, 670 

 Oolemma of Mammalian Ovum, 422 

 Oort, E. D. v., Skeleton of Tail in Birds, 



291 

 Opalina, Modifications of Cytoplasm, 681 

 Ophioglossaceae, New Genu3, 188 

 Ophioglossum, Germination, 566 

 Ophryotrocha puerilis, Regeneration of 



Head End, 28 

 Ophthalmic Spinthariscope, Gotch, 609 

 Opilionidse, Coloured Skin Secretion, 303 

 Opsonins and Normal Agglutinins, Iden- 

 tity, 487 

 Optic Cells of Frog's Eye, 10 



— Nerve, Histology, 655 

 Origin, 8 



Optical Bench, Beck's, 748 



for Illuminating with either Ordinary 



or Monochromatic Light, 225, 249 

 Optics, Microscopical. See Contents, 



Oram, W. C, Counting Bacilli, 629 



Orchidese, Endophytes of, 78 



Orchids and Fungi, Symbiosis, 327 



Organism, Anaerobic, Resembling the 

 Influenza Bacillus, 89 



Organisms, Anaerobic, Cultivation Applic- 

 able to Water Analysis, 372 



Organogenesis of Ovary and Testicle, 

 Studying, 512 



Organs, Hardening with FormaliD, 739 



— Terminology of, in Various Conditions 



of Development, 652 



Oribatidse from the Sikkim Himalaya, 

 255, 269 



Orszag, O., Simple Method of Staining 

 Spores, 625 



Orthonectids, Life-history, 445 



Orthoptera, Studying the Tympanal Ap- 

 paratus, 729 



Orthotrichum cupulatum, New Form, 335 



Ortmann, A. E., Origin of the Deep-Sea 

 Fauna, 427 



Orycteropus, New Species, 289 



Osborn, R. C, Dragon-flies in Brackish 

 Water, 666 



Osburn, R. C, Adaptive Modifications of 

 Limb Skeleton, 657 



Oscules of Cinachyra, 34 



Osmond, F., Corrosion Grooves in Boiler 

 Plate, 114 



— Crystallography of Iron, 516 



— Effect of Chromium in Steel, 115 



— Mechanical Properties of Single 



Crystals of Iron, 115 



— Pressure and Percussion Figures on 



Plastic Crystalline Metals, 245 



— Progress of Metallography since 1901, 



740 

 Ost, J., Regeneration of Antenna} of Wood 



Louse, 307 

 Ostenfeld, C. H.. Icelandic Plankton, 696 



