780 



INDEX. 



Yates, J., Constitution of Hematoxylin, 



443 

 Yatsu, N., Habits of Lingula, 559 

 Yeast Extract, Bucliner's, 85 



— New Pathogenic, 681 



— Plant, Observations on the Vitality, 591 



— Pressed, Microscopical Appearances 



after Liquefaction, 85 

 Yeasts, 591 



— Fruit, 680 



— Sexuality, 216 



Yeast- Water for Biological Analysis, 107 

 Yendo, K., Corallinse from Port Renfrew, 

 Vancouver, 584 



— Japanese Corallineaa, 584 

 Yolk-organ of Salmo fario, 166 

 Yung, E., Monstrosity in a Trout, 298 



— Variations of Plankton in Lake Geneva, 



639 



Zacharias, O., Infusoria in Cuckoo-Spit, 

 657 



— Parasites of Rotatoria, 653 



— Plankton of Lake of Maria-Laach, 426 



— Pond Plankton, 675 



— Two new Diuofiagellata, 563 

 Zahlbruckner, A., Lichens, 218 



— Lichens of the Netherlands, 468 

 Zaleski, W., Formation of Proteids, 74 

 Zamia, Spermatogenesis and Fecundation, 



201 

 Zamias of Florida — Notes on Living Cy- 



cads, 448 

 Zander, E., Copulatory Apparatus of Male 



Trichoptera, 43 

 Zanfrognini, C, Contribution to the Lichen 



Flora of Emilia, 683 

 Zardo, — ., Pathogenic Bacillus in Cockles, 



693 

 Zeiss' A* Objective, 614 



— Assorted Pairs of Objectives for Bin- 



ocular Microscopes, 614 



Zeiss' Centring Apparatus for Microscope 

 Objectives when used as Condensers, 

 615 



— Crystal Films and Plates for Double 



Refraction, 617 



— Epidiascope, 506, 699 



— Improved Algascope, 699 



— Small Mineralogical Stand, 610 

 Model Polarising Microscope, 613 



— Smaller Mechanical Stage, 605 



— Objectives, 487 



— Orthomorphic Eye-piece, 615 



— Preparation Stand and Drawing Appa- 



ratus for Weak Magnifications, 485 



— Stand for Brain Sections, 483 

 Ziegler, H. E., Present Position of the 



Theory of Descent, 171 



Zimmerman, A., Parasitic Fungi of Tro- 

 pical Cultivated Plants, 596 



Zoanthese, Living, Relationships of the 

 Rugosa to, 437 



Zodda, G., Study of the Genus Serapias, 577 



Zolotinsky, N., Reproduction of Gerardinus 

 decemmaculatus, 421 



Zoologischer Jahresbericht, 638 



Zoology, Aid to the Study, 171 



— Introductory Text-book, 547 



— Practical Course, 423 

 Zoospore and Spermatozoon, 57 



Zopf, W., Compounds from Lichens, 684 

 Zostera, Development of Pollen, 449 

 Zostera marina, Embryology, 449 

 Zschokke, F., An unusual Human Para- 

 site, 558 



— Fauna of a Mountain Stream, 54S 

 of Switzerland and the Glacial Pe- 

 riod, 35 



Zygeupolia litoralis, a new Heteronemer- 

 tean, 309 



Zygomycetes, Sexual and Non-Sexual Re- 

 production, 213 



Zykoff, W., Cystoopsis acipenseri, 308 



— Mysis in the Volga, 556 



— Plumatella and Vivipara, 310 



— Protozoa of the Volga — Plankton, 313. 

 Zymase in Fungal Hyphse, 587 



LONT>ON : PRINTED BY WILLIAM CLOWES AND SONS, L7MITKD 

 GREAT TVINDMILL STREET, W., AND DOKE ST1IEET, STAMFORD STREFT, S.E. 



