398 



INDEX. 



Apple-trees, Blossom Wilt and Canker of, 



73 

 Aquatic Micro-organisms, Axial Rotation 



of, 167 

 Aqueous Humour, 133 

 Arbutus Unedo, Parasite of, 185 

 Arcella, Nuclear Re-organization in, 46 



— Variations in, 46 

 Arcliangiopteris, 161 

 Archbutt, S. L., 81 



Arclier, R. S., Grain Limits in Heat-treated 



Alloy Steels, 82 

 Arnaud, Roger, New Rapid Staining of 



Blood and Parasites in Films, 297 

 Arneli, H. W., Mosses of the "Vega" 



Expedition, 166 



— and C. Jensen, Brytim vermigerum, 165 

 Arnold, J. O., and F. Ibbotson, Molecular 



Constitutions of High-speed Tool 

 Steels, 386 

 Arthur, J. C, New Species of Uredinese. 

 XL, 179 



— Study of the Genus Kuehneola, 64 



— and G. R. Bisby, Rusts of North 



America, 63 

 Asai, Takeshiro, Mijiute Structure of 



Membranous Labyrinth of Tadpoles, 



334 

 Asai, Toichi, New Tannery Fungus, 69 

 Ascaris lumhricoides, 42 

 Ascidian, Nervous System of, 244 

 Ascochytse, North American, 178 

 Ascoujycetes, Phylogeny and Relationship 



in the, 379 

 Atkinson, G. F., 382 



— Phylogeny and Relationship in the 



Ascomycetes, 379 



— Relationships within the Rhodosporese, 



282 



Atterbury, Ruth Rand, Pharyngeal Tonsil 

 and Bursa in Calf, 232 



Atwell, Wayne J., and Ida Sitler, Develop- 

 ment of Hypophysis, 26 



Autospore Formation, 59 



B 



Bacillariaceaj of the Numburg Stream, 375 



— of the Streams near Nagyvarad, 376 

 Bacillariales, 273 



Bacteria, Dead, are not all Ag-positive, 293 



— Mutation in, 293 



Bacterial Cell, The Isolation of the Single, 

 221 



— Emulsions, Opacimeter for Standar- 



dizing, 295 



— Infection, New Factor in the Mechan- 



ism, 294 

 Badertscher, J. A.,Ultiiuobranchial Bodies 

 in Pig, 26 



Bagworms, South African, 137 



Bailey, J. W., Depressed Segmenre Df Oak 

 Stems, 367 



Baker, R. T., Technology and Anatomy 

 of Some Silky Oak Timbers, 264 



Balausia, New. on Cyperus, 379 



Bale. W. M., Australian Hydroids, 357 



Balkanic Zone Diseases, 209 



Banana Wilt, 382 



Banta, Arthur M., Rarity of Sex Inter- 

 grades in Cladocera, 40 



Barnacles, Structure of, 144 



Barnard, J. E., The Limitations of Micro- 

 scopy, 1 



Barrus, Moitier F., Varietal Susceptibility 

 of Beans to Strains of Colletotriclmm 

 Lindemuthianum, 67 



Basidia, Two-spored, 65 



Basidiomycetes, Conidial Forms of, 181 



— Philippine, 182 



Bassler, Harvey, Sporangiophoric Lepido- 

 phyte from the Carboniferous, 267 



Bassler, Ray S., 42 



Bat, Amnion in, 129 



Bataille, F., French Mycology, 181 



Baudin, L., Vertical Distribution of Plank- 

 ton in the Lake of Geneva, 272 



Bauer, 0., 299 



Baumberger, J. Percv, Yeasts and Insects, 

 349 



Baumgartner, E. A., Development of 

 Hypophysis in Dogfish, 27 



of Reptiles, 26 



Bayliss, W. M., Nature and Permeability 

 of the Cell Membrane, 234 



— Protoplasm and Cell Contents, 234 

 Beardslee, H. C, Michigan Collection of 



Myxomycetes, 291 

 Bearing Metals, Researches on, 299 

 Beatricea not a Gigantic Foraminifer. 260 

 Beck, Claude S., Distribution of Clasma- 



tocytes. 237 

 Bee Diseases, 349 

 Beetles, X-rays and, 348 

 Belgrave, W. N. C, Disease due to Cyto- 



spora, 73 

 Bellis, A. E., 299 

 Benham, W. B., Two Unusual Blood 



Vessels in Tree-Frog, 340 

 Benson, Margaret J., Mazocarpon, or the 



Structure of Sigillariostrobus, 53 

 Berlesc. A., A Hundred New Mites, 350 

 Berry, Ed. W., Fossil Higher Plants from 



the Canal Zone, 266 



— Notes on the Fern Genus Clathropteris, 



55 

 Bessey, Ernst A., Undescribed Species of 



Ophiodothella on Ficus, 186 

 Bethel, Ellsworth, Puccinia subnitens and 



its JEcial Hosts, 178 

 Bigney, Andrew J., Influence of Adrenin 



on Frog's Melanophores and Retina 



Cells, 243 



