INDEX. 



765 



Nussbaum, M., Origin of Gcrin-cells in 



Chick Embryo, 631 

 — Retrogressive Changes in Embryonic 



Primordia, 506 

 Nutation, Horizontal, of Stem of Pisiun 



sativum, &c, 437 

 Nutrition of Phanerogams. See Contents, 



XXV 



Nuttall, G. H. F., Mosquitoes and Malaria, 



546 

 Nutting, C. C, Plumularida;, 282 

 Nyctaginea?, Conducting Apparatus, 661 

 Nycteribiidaj, 151 



O. 



Object-holder, New, for Photomicro- 

 graphy, Wandolleck's, 705 



Objectives. See Contents, xxxiv 



Occipital Condyles and the Origin of 

 Mammals, 143 



Ocelli, 413 



— of Insects, Method of Examining, 591 



— Structure, 14S 

 Octopus, Plague of, 2D 



Odhner, T., New Genus of Distomidre, 41 



— Revision of Species of Allocreadium, 



648 



OZdogoniacese, 65 



GMogonium, Rings, 187 



G3nocytes of Insects, 148 



Oertel, T. E., Synthetic Alcohol as a Fixa- 

 tive, 210 



GSstrous Cycle in Sheep and Formation of 

 the Corpus luteum, 505 



Oidium laetis, 310 



Olfactory Nerves in Fishes, Endings, 405 



Oligoclneta, Histology, 419 



— Malayan, 419 



— North American, 279 



— of Switzerland, 534 



— Spermatophores, 278 



— Swiss, 157 



Oli^ouitiophilous Microbes and the Genus 



Azotobacter, 687 

 Olive, E. W., Affinities of Mycetozoa, 447 

 Olive, Respiration, 559 

 Oltmanns, F., Sexuality of Fungi, 677 

 Onodi, A., Ciliary Ganglion, 264 

 Oocyte of Prodheeerxus vittatus, 536 

 Oogenesis in Abies pectinata, 434 



— in Queen Bee, 272 



— in Thysanozoon brocchi, 536 

 Ophiomeliola g. n., 70 



Ophiura brevispinu. Development, 53S 

 Ophiuroids and Echinoids, Antarctic, 43 



— Oral Skeleton, 652 



— Regeneration, 161 

 Ophryocystis, New Species, 47 



— Reproduction, 47 



Oppel, A., Comparative Histology of Verte- 

 brate, 17 



Optic Organs of Starfishes, 539 

 Optics, Microscopical. See Contents, 



XXXV 



Opuntia, Non-sexual Propagation, 437 

 Ora Serrata, Development and Signifi- 

 cance, 404 

 Orbital Glands of White Rat, 23 

 Orchidese, Conducting Tissue iu the Ovary, 

 170 



— Embryo-sac, 433 



— Monopodial, Anatomy, 51 



Ord, G. W., Cross-Pollination and Self- 

 Pollination, 58 



Organism, Influence of One on the Growth 

 of Another, 194 



Organs of Phanerogamia. See Contents, 

 xxii 



Orienting Small Opaque Objects, 469 



Ornithophilous Flowers, 58, 301, 435, 555 



< hthonectids. Life-history, 422 



Ortloff, H., Influence of Carbonic Acid on 

 Fermentation, 181 



Ortmsmn, A. E., Theories of the Origin of 

 Antarctic Faunas and Floras, 261 



Osboin, H. F., Occipital Condyles and the 

 Origin ot Mammals, 143 



— Relation of Dinosaurs to Birds, 22 

 Osmond, J. O., Crystallography of Iron, 610 



— Metallography considered as a Testing 



Method, 220 



— Micro-structure of Alloys of lion and 



Nickel, 342 



— New Rengents for Micrographie Study 



of Carburised Iron, 471 



— Practical Problems in the Metallo- 



graphy of Steel, 609 



Osmosis between Haemolymph and Sea- 

 water, 26 



Osmotic Pressure as a Defence against 

 Cold, 672 



in Internal Fluids of Selachians, 26 



Osmunda, Achromatic Spindle in Spore- 

 mother-cells, 184 



Ostracoda, Fresh-water, of Germany. 35 



— from Bismarck Archipelago, 616 



— Giant, 418 



— of Switzerland, 154 



Ostrianine, — ., Bactericidal Properties of 



Blood Serum, 457 

 Otocyst of Decapod Crustacea, 529 

 Otoliths and Hearing, 515 



— of Frog, 408,516 



Ott, E., Hardness of Vegetable Membranes, 

 168 



Ottolenghi, D., Histology of Functional 

 Mammary Glands, 635 



Ova, Immature, of Eana fusca, Develop- 

 ment, 403 



Ovary in Rana temporaria, Histogenesis, 12 



Overton, E., Absorptiou of Anilin Stains 

 by Living Cells, 511 



Ovulariopsis g. n., 681 



Ovule and Embrvo of Potamogeton, 664 



