458 
INDEX. 
Hydatina senta, Nuclei in, 185 
Hydra fusca, 62 
Hydroids, Adriatic, 293 
Hymam, Libbie H., and Albert E. 
Galicher, Metabolic Gradient in 
Annelids, 59 
Hymenophyllacearum, 196 
Hymenostomum in North America, 416 
Hypkoloma, 327 
I 
Illumination, Monochromatic, 406 
— of Microscope Objects : • Glare and 
Flooding with Transmitted Light, 
399 
Incarvillea, Pollination of, 69 
Infusoria from Calcutta, 187 
Infusoires d’eau Douce, Etudes sur les, 225 
Institute of Physics, Journal of Scientific 
Instruments, 226 
Interferometer, New Form of, 218 
Intestine, Small, Structure of, 172 
Iodamoeba of Man, 294 
Iron, Effect of Oxidizing Gases at Low 
Pressures on Heated, 222 
— Electro-deposited, and Effect of Acid, 
221 
— Lines in Different Fields, Magnetic 
Separations of, 95 
— Nickel and Zinc, Magnetic Separation 
of the Lines of, 95 
Ishikawa, M., Cytological Studies on 
Porphyra tenera Kjellm., 203 
Isoetes Drummondii A. Br., 310 
Isopods and Hydroids, Symbiosis of, 58 
J 
Jackson, H. S., Busts on Carducaceae, 325 
Jagger, I. C., JSclerotinia minor sp. n., 325, 
333 
Jahn, Joseph, Mycological Work of, 89 
Janet. Charles, Considerations sur l’Etre 
Vivant, 226 
Jeannel, K., Cavernicolous Trechini, 53 
Johnson, Duncan S., Poly podium vulgare 
as an Epiphyte, 72 
Jones, Fred Beuel, and B. E. Vaughan, j 
Anthracnose of the Garden Pea, 333 
Jones, J. A., Intercrystalline Cracking of 
Mild Steel in Salt Solutions, 96 
Juel, H. O., Hemiascese, 324 
Jungermannia stygia Hook. f. and Tayl., 
198 
K 
Kala-azar and Oriental Sore Problems, 299 
Kavina, Karl, Mycological Contributions, 
211 
Keilin, D., Dipterous Larvae Feeding on 
Molluscs, 53 
— New Type of Parasitic Protist in Fly 
Larvae, 64 
Ciliate in Larvae of Stegomyia, 186 
Keissler, Karl, Lichen Parasites and 
Lichenoid Fungi, 89 
Kepuer, W. A., and W. Carl Whitlock, 
Food Beactions of Amoeba proteus, 295 
Kibbe, Alice L., Structure of Alaria 
fistulosa, 204 
Kirby, B. S., Take-all Disease of Cereals 
and Grasses, 334 
Kirchner, O. von, Susceptibility of Wheat 
to Bunt, 326 
Klugli. A. Brooker, Plunger Pipette — A 
New Instrument for Isolating Minute 
Organisms, 267 
Knapp, L. F., Solubility of Small Particles 
and Stability of Colloids, 223 
Knight, H. H., Lichens of Haslemere 
District, 433 
Koehler, Adrienne, Spore-envelope in 
Nosema apis, 186 
Kofoid, C. A., and Olive Swezy, Free- 
living Unai moured Dinofla£rellata, 
226, 315, 440 
— and A. W. White, New Nematode In- 
fection in Man, 184 
Koidzumi, Makoto, Intestinal Protozoa of 
Japanese Termites, 189 
Komai, Taku, Sex Dimorphism in Stoma- 
topod, 284 
! Konsuloff, Stefan, Opalina, 191 
Koppen, Alexis, Tracheal Bamifications 
in Dytiscus, 56 
Korstian, C. F., Diameter-growth in Box- 
elder and Blue Spruce, 305 
Kuckuck, P., Dwarf Generation in Pogo- 
trichum and the Beproduction of 
Laminaria, 82 
Kudo, R., Spores of Leptotheca ohlmacheri, 
301 
— Myxosporidian of Frogs, 301 
Kufferath, H., Green Algse grown in pure 
cultures, 74 
— Hansen’s Curve for Sporulation of 
Yeasts, 86 
i Kiikenthalia borealis, 51 
Kuskop, M., Symbiosis of Siphonophora 
and Zooxanthellse, 63 
Kylin, H., Besistance of Marine Algae to 
Cold, 84 
L 
Lafferty, H. A., The “Browning” and 
“ Stem-break ” Disease of Cultivated 
Flax ( Linum usitatissimum ) caused 
by Polyspora L ini g. et sp. n.. 335 
Laibach, F., Septoria Species and the 
Formation of Higher Fructification, 
425 
