INDEX. 



867 



Yeasts, Notes on Phylogenesis, 75 

 Yendo, K., Asexual Mode of Auxospore 



Formation, (ilo 

 — Mucilage-glands of Undaria, 6S 

 Young, M. S., Morphology and Relation- 

 ships of the Podocarpinese, 731 

 Youngman. W., Abnormal Repioductive 



Organs in Frog. 19 

 Yurisch, A.. Numbering Celloidin Sec- 

 tions, 782 



Zach, F., Mycorbiza of Sempervivum, 216 

 Zahlbruckner, A., Lichens from Brazil, 

 218 



— New Lichens. 84 



Zalessky, M. D., New Fossil Dadoxylou, 

 192 



Zander, E., Study of the Hon6y-bee, 568 



Zehnder, L., New Half-shadow Polari- 

 meter, 227 



Zeiss' Microscope for Investigating Ultra- 

 microscopical Particles, 91 



Zemczuzny, S., Alloys of Lead with Indium 

 and Thallium. 261 



— Phosphorus Compounds of Cobalt, 261 

 Zempten, — , Ferments of Fungi, 212 

 Zielinska, J., Regeneration in Lumbricidae, 



315 

 Zielinski, F., Biology of the Archegonium 

 and Calyptra, 54 



Zikes. H., Assimilation of Nitrogen by 

 Yeast Fungus. 486 



— Bacterial Parasites of Barley, 637 

 Ziinmermann, C, Catalogue of Portuguese 



Diatoms, ;!47 



— Diatoms of Madeira and Porto Santo, 



347 

 Zimmeruaann, K. W.. Structure of Heart 



Muscle, 297 

 Zinc Alloys, 260 

 with silver, 260 



— Amalgams. 676 



— Bronzes, 677 



— Sulphate, Stimulation of Storage Tissue, 



47 

 Zinnia, Variation due to Traumatism, 



185 

 Zoanthese from Queensland and New 



Hebrides, 176 

 Zoology of Ruwenzori, 161 

 Zooxanthallss, Entry into Ovum of Mille- 



pora, 463 

 Zopf, — , Chemistry of Lichens, 85 

 Zsacke, H., Lichen Flora of the Saal 



Valley, 218 

 Zschokke, B., Effect upon Steel of Sudden 



Changes of Temperature, 391 



— Homogeneity of Optical Glass, 244 

 Ziircher, L., Musculature of Owenia, 



169 

 Zygopterideae and OsmundaceaB, Fossil. 



596 

 Zygopteris Grayi, 471 



Erratum on p. iv, Past-Presidents- 

 for 1909-10 read 1909 



LONDON: PR1NTBD BY WILLIAM CLOWES AND SONS, LIMITED, 

 GREAT TV1NDMILD STREET, W., AND DUKE STREET, STAMFORD STRBKT, S.E 



