INDEX. 



837 



Wing-Feathers, Structure, 683 

 Winkler, H., Parthenogenesis in Wik- 

 strcemia indica, 328 



— Regeneration in Passion-Flower, 327 

 Wintrebert, P., Regeneration of Tail- 

 \ tissues in Anuran Larvae, 35 

 Witches' Brooms of Quercus rubra and 



other Woody Plants, 477 



on Pear Trees, 728 



Wize, C, Fungal Parasites of Insects, 478 



Wolfe, J. J., Cytology of Nemalion multi- 

 fidum, 77 



Wolff, G. P., Development of Lichen 

 Fruits, 736 



Wolff, M., Fibrillar Structure in Frog's 



K Liver, 169 



Wolterstorff, W., Pairing of liana tempo- 

 raria, 299 



Wood, Action on Photographic Plates, 332 



Wood, R. W., Achromatisation of Approxi- 

 mately Monochromatic Interference 

 Fringes by a Highly Dispersive 

 Medium, and the Consequent Increase 

 in the Allowable Path-Difference, 521 



Woodland, W., Monstrosity of Bladder in 

 Frog, 174 



— Phylogeny of Post-caval Vein, 429 

 Woolley, P. G., Bacillus violaceus Manilas, 



362 

 Worm, Palolo, Ventral Sensory Organs, 



314 

 Woronin, M., Monoblepharideae, 471 

 Wynnea, A New Species, 618 



Xerophilous Enchytraeidae of Switzerland, 



185 

 X-Generation and 2 x-Generation, 611 



Yard, Imperial Standard, 368 

 Yatsu, N., Cytology of the Forms of 

 Stigeoclonium, 616 



— Formation of Centrosomes in Enu- 



cleated Egg- Fragments, 575 

 Yeast-Cells, Vacuoles, 729 



— Development in the Soil, 620 



— New Method for Obtaining Pure Culti- 



vation, 377 



— Research, 86. 474 



— Rose-coloured, Origin of, 85 



— Spores, Nuclear Fusion, 219 



Yeast, Study, 85 



— Vitality in Varying Conditions, 219 



— Wild, Infection, 85 



Yeasts, Morphology and Cytology, 729 



— of Charente, 620 



Yerkes, R. M., Reactions of Daphniapulex 



to Light and Heat, 55 

 Yokoyama, M., Japanese Mesozoic Plants, 



610 

 Yolk Absorption in Viper Embryos, 165 

 York, H. H., A gar- Agar and Paraffin 



Method for Imbedding Plant Tissues, 



527 

 Yung, E., Influence of Food on Length of 



Intestine in Tadpoles, 173 



Zacharias, O., Swarms of Volvox, 191 



Zatnia, Regeneration, 193 



Zander, E., Male Genital Apparatus in 



Bubalida;, 692 

 Zarnik, B., Cell Migration in Caecum and 

 Mid-Gut of Amphioxus, 680 



— Reproductive Organs of Amphioxus, 



429 



— Segmental Veins in Amphioxus, 46 

 Zederbauer, E., Fresh-water Plankton 



Crustacea, 437 



— Myxobacteriae, 478 



Zeiss' New Laboratory Stand, 240 

 Zeller, E. v., Spermatophores of Newts, 

 ' 679 

 Zellner, J., Chemistry of Amanita mus- 



carius, 475 

 Zickes, H., New Method for Obtaining 



Pure Cultivation of Yeast, 377 

 Zograf, N. v., Unpaired Eye and Frontal 



Organ of Branchiopods, 55 

 Zoo-geographical Relations of South 



America, 582 

 Zoogonus minis, Maturation, Fertilisation, 



and Development, 596 

 Zoologischer Jahresbericht, 684 

 Zoology, Outlines, 42 



— Pre-Aristotelian, 302 



Zoospores of Algae, Effect of Low Tem- 

 perature on, 331 



Zopf, W., Multi-nucleate Condition of 

 Lichen Spores, 481 



Zschokke, F., Arctic Cestodes, 440 



Zygospore, Membrane, 218 



Zygospores of Desmids, 466 



LONDON : PBENTED B* WILLIAM CLOWES AND SONS, LIMITED 

 GBEAT WINDMILL STKEET, W., AND DUKE STREET, STAMFORD STHEET, S.E. 



