1172 



INDEX. 



Woody Fibre, Carbazol and Skatol, 



two new Reagents for, 710. 



Plants, Pith of, 93. 



Wonlls, W.. Double Flowers, 647. 

 Woolman, G. S., 153. 



, Bevel-edge Slips, 173. 



Worm?. See Vermes. 

 Woroiiin, M., Peziza l)acoarum, 293. 

 Wortmann, J., Causes of Twining, 827. 

 , Mechanism of Twining Plants, 



283 

 Wright, J., and F. P. Balkwill, Recent 



Irish Foraminifera, 461. 

 Writing, Minute, 1068. 



X. 



Xantbin, Guanin, and Hypoxantbin, 

 Behaviour of, i n the Fermentation of 

 Yeast, 654. 



Xanthopbyll, Crystallizability of, 89. 



Y. 



Yeast, Beer, Glycogen in, 117. 



, Behaviour of Guanin. Xantbin, 



and Hypoxantbin, in the Fermenta- 

 tion of, 654. 



Cells, Demonstrating the Nucleus 



in, 1081. 



, Nucleus in, 301. 



Counting Apparatus, 521. 



, Influence of Light on the Growth 



of, 493. 



Yeasts and Moulds, Abnormal Secre- 

 tion of Nitrogenous Substances by, 

 1033. 



Yolk Globules in the intracapsular fluid 

 of Fish Ova, 211. 



, Relations of, to Gastrula in 



Teleosteans, 46. 



Yung, E., Influence of Saline Water 

 on the Development of Tadpoles, 

 45. 



, the Number of Individuals 



in One Vase, and of the Form of 

 the Vase on the development of Tad- 

 poles, 46. 



, Variations in the Physico- 



Chemical Medium on the Develop- 

 ment of Animals, 766. 



/. 



Zacharias, E., Ovum-cells and Anthero- 

 /,' lids. MS. 



, O., New Rotifer, 621. 



, , Nuclear Fusion in Cleavage 



Spheres, 954. 



, , Revivification of Rotatoria 



and Tardigrada, 799. 



, , Spontaneous Division in 



Fresh-water Planarians, 991. 



Zache, E., Medullary Rays of Dicoty- 

 ledons, 645. 



Zalewski, A., Demonstrating the Nu- 

 cleus in Yeast Cells, 1081. 



, Formation of Spores in the Sac- 



cliaromycetes, 492. 



Zeiller, Tracks of Insects simulat- 

 ing Vegetable Impressions, 238. 



Zeiss's 1-in. Aplanatie Lens, 188. 



Apochromatic Objectives, Com- 

 pensating Eye-pieces, and Projection 

 Eye-pieces, 849. 



Monochromatic Illuminator, 515. 



New Catalogue, 183. 



Stands, New, Fine Adjustment to, 



1051. 



Ziegler, H. E., Origin of Blood-cor- 

 puscles in Teleostean Embryos, 942. 



Zimmennann, A., Godlewski's Theory 

 of the Motion of Water in Plants, 

 283. 



, O. E. R., 530. 



Atlas of the Diseases of Plants, 



491. 



Zittel, K. v., and J. V. Rohon, Cono- 

 donts, 984. 



Zoantheae, New, 454. 



Zoocytium or Gelatinous Matrix of 

 Ophridium versatile, 1003. 



Zooglcese and Related Forms, 117. 



Zoophyte-cell, Dunning's, 138. 



Zoophytes, "British," Pennington's 

 (A. S.), 49. 



Zoospores of Chlamydomonas, 831. 



Zopfs (W.) Monadina, 815. 



Zukal, H., Fungus-bulbils, 664. 



, Lichen-studies, 112. 



, New Bacterium, 667. 



, Fungi, 296. 



, Structure and Development of 



Ascomycetes, 1027. 



Zygomorphy of Flowers, Causes of, 472. 



LONDON: PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, STAMFORD STREET 

 AM' CHARING CROSS. 



