INDEX. 



849 



Oidium albicans from Throats, Cultivation, 



375 

 Oka, A., Japanese Leeches, 458 

 Okajima, K., Sensory Organs of Onycho- 



daetylus, 445 

 Okamura, K., Japanese Algse. 199, 346, 



622 



Bryopbytes, 613 



Olenellus and oilier Mesonacidse, 718 

 Olfactory Organ of Teleosteans, 160 



— — So-called, in Cepbalopods, 302 

 Oligochret, Distonrid Cyst in Blood-vessels, 



'459 

 Oligochasts, Kegeneration, 577 

 Olseu, J. O, Cementation by Gases, 791 

 Onchocerca, Genus, 317 

 Onnes, K.. Magnetic Properties of Manga- 

 nese. Vanadium, and Chromium, 526 

 Onoclea, Monoecious Prothallia, 338 



— Sex of Gametophyte, 733 



Ontogeny and Phylogeny of Hydioids, 585 

 Onychodactylus, Sensory Organs, 445 

 Oogenesis in Dytiscus marginalis, 166 



— in Raiadae, 443 



— of Hydra, 175 



— of Sagitta, 316 



Oogouia, Formation in Achlya, 744 

 Ookinesis in Cerebratulus lacteus, 320 

 Oospheres in Sargassum, 69 

 Opalina dimidiata, Tentacle-like Pro- 

 cesses, 41 

 Opercularia, New Species, 41 

 Ophiocoma pumila, Kegeneration, 174 

 Ophioglossacese, Fertile Spike, 186 

 Ophioglossum, Common, New Variety, 338 

 Ophiurans of San Diego, 174 

 Ophiuroid, Infection with Rhopalura, 726 

 Ojiliiuroids, Luminosity, 38 

 Optics. Geometrical, SouthalPs Principles 

 and Methods, 767 



— Microscopical. See Contents 

 Orchids, Root-fungi, 82 



Order, New, of Asteroids, 726 

 Organisms, Marine, Reaction to Light and 



Phosphorescence, 155 

 Oiganogenetic Capacity, 704 

 Orthomnion and Mnium, Accessory Leaves, 



55 

 Orthoptera. Nephrocytes and Pericardial 



Cells. 31 

 Ortholhecittm slrictum or O, rubellum, 343 

 Orton. J. H.. Hermaphroditism in Crepi- 



dula fornicata, 163 

 Os Clitoris and Os Penis in Apes, 299 

 Os Penis and Os Clitoris in Apes, 299 

 Osmond, F., Constituents of Steel, 122 

 Osmotic Pressure in Plants, 593 

 Osmunda, Chromosomes, 187, 330 



— cinnamomea, Stele, 595 

 Osmundacse and Zygopteridae, Fossil, 596 



— Foliar Gaps, 186 



— Fossil, 595 



Ossification of Human Lower Jaw, 443 



Ostenfeld, C. H., Biddulphia sinensis, 66 

 in the North Sea. 201 



— Phytoplankton of Victoria Nvanza, 201 



— Swiss Plankton, 201 

 Osteological Specimens, Preparation, 523 

 Osterwalder, A., Causes of certain Plant 



Diseases, 88 

 Ostracods, Fresh-water, Structure, 576 

 Ottley, A. M., Gametopbytesand Fertilisa- 

 tion in Juniperus, 45 

 Ourococous bicaudatus, 203 

 Ova, Sea-urchin, Experiment, 584 

 Ovarian Glands, 17 

 Ovary, Mammalian, Structure, 17 



— State during Pregnancy, 441 

 Over-hardening, Removing in Anatomical 



and Histological Preparations, and 



New Method of Silver Impregnation, 



674 

 Oviduct of Domestic Fowl, Ligaments, 



447 

 Ovule, Gametophytes, and Embryo of 



Widdringtonia, 46 

 Ovum, Cerebratulus, Experiments on 



Cleavage, 582 



— Fertilised, Male Mitochondria, 557 



— of Ctenophore, Cleavage, 585 



— Poly nuclear, in Bat, 294 

 Owenia, Musculature, 169 



Oxner, M., Regeneration in Nemerteans, 



319, 723 

 Oxyrrhis marina, 204 

 Oyster-eating Fishes, 711 

 Ozoux, M., Filaria in Turkey's Eye, 722 



Pace, L., Peculiar Fern Prothallia, 599 

 Pacottet, P., Vine Roesleria, 623 

 Palsemonetes various, Variability, 313 

 Palatal Region of Axolotl, Transforma- 

 tion, 301 

 Palatine and Pterygoid Bones in Axolotl, 



301 

 Palinurus vulgaris. Distribution in British 



Waters, 313 

 Pallavicinia Flotowiana in Scotland, 736 

 Palm Cocoanut, Fomes lucidus, a Root- 

 disease of, 486 

 Palmellacese, Coccomyxa subellipsoidea, 



New Member, 61 

 Palmer, T. G, New Diatom, 743 



— Stauroneis Terryi, 742 

 Palschewska. I. v., Examining the Struc- 

 ture of Human lit art-muscle, 252 



Panayotatou, A., Isolation of Cholera 



Vibrios, 663 

 Panit-set, L., Testing for Indol in Microbic 



Cultures, 373 

 Paunain,E., Physical Properties of Alloys. 



260 



— Silver Coinage Alloys, 1 19 



