INDEX. 
971 
Water, Liege, Results of Bacteriological 
Examination of, 91. 
■ , Movements of Lymnseus on surface, 
464. 
, Procedure for obtaining Germ-free, 
886 . 
-vascular System of Mesostomum 
truncatum, 616. 
Waters, A. W., Gland-like Bodies in 
Bryozoa, 777. 
, B. H., Primitive Segmentation of 
Vertebrate Brain, 585. 
Watery Solution, Method of Substituting 
strong Alcohol for a, 696. 
Watson’s Fine-adjustment to the Van 
Heurck Microscope, 911. 
Van Heurck Vertical Camera for 
Photomicrography, 271, 299. 
Wehmer, C., Passage of Substances out of 
Leaves in Autumn, 821. 
Weichselbaum, A., Pathological Histology, 
882. 
Weidenbaum, A., Difference between 
Odium albicans and O. lactis, 833. 
, Morphology and Biology of Fungi, 
254. 
Weigert’s Acid Fuchsin Method, 897. 
Copper Method, 897. 
- — - Haematoxylin Method, 897. 
W r eigmann, H., Bacteriology and Butter- 
making, 848. 
Weiss, A., Hairs on Corolla of Pinguicula, 
503. 
, F. E., Caoutchouc Cells of Eucommia, 
633. 
, J., Histology and Micro-Chemistry 
of Blood, 765. 
, J. E., Formation of Cork, 501. 
Weldon, W. F. R., Correlated Variations 
in Crangon vulgaris, 605. 
, Formation of Germ-layers in Cran- 
gon vulgaris, 363. 
Welwitschia, Spicular Cells of, 61. 
Welz, F., Bacteriological Investigation of 
the Air of Freiburg i. B. and Neighbour- 
hood, 254, 844. 
Werner, F., Autotomy in Grasshoppers, 
202 . 
Werniche, — ., Cestoda, 42. 
Wertheim, E., Cultivating Gonococcus, 
888. 
West, C. E., Binocular Microscope of the 
Seventeenth Century, 98. 
, W., Algae of the English Lake Dis- 
trict, 713, 909. 
, Irish Freshwater Algae, 648. 
West Indian Helices, Anatomy, 465. 
Western, G., Two Male Rotifers hitherto 
undescribed, 213. 
Wethered’s Medical Microscopy, 711. 
Wevre, E. De, Cultivation of Rliizopus 
nigricans , 650. 
, A. do, Nuclei in Mucorini, 650. 
Wheat, Development of, 72. 
, New Parasitic Fungus on, 84. 
Wheeler, W. M., Appendages of first 
Abdominal Segment of Embryo Insects, 
777. 
, Neuroblasts in Arthropod Embryos, 
31. 
Whetstones, Removing Oil and Grease 
from, 706. 
White, T. G, 575, 906. 
Whitting. F. G., Splachnidiaceae, New 
Order of Algae, 646. 
Wieler, A., Relation between Secondary 
Increase in Thickness and the Nutrition 
of Trees, 821. 
Wierzejski, A., Rare European Spongillidae, 
378. 
Wiesner, J., Elementary Structure and 
Growth of Living Substance, 222. 
, Microscopical Examination of Coal, 
903. 
, Positively Geotropic Flower, 393. 
Wilczek, E , Fruit and Seeds of Cype- 
raceae, 816. 
Wildeman, E. de, Alkaloids of Orchidaceae, 
498. 
, Lowly-organized Fungi, 84. 
Will, L., Gastrulation in Tortoise, 456. 
Wille, N., Engler and Prantl’s Natural 
Families of Plants (Algae), 218. 
Willem, O., Vision of Gastropoda, 596. 
Willey, A., Development of Hypophysis 
in Ascidians, 774. 
, Post-Embryonic Development of 
Ciona and Clavelina , 776. 
, New Genus of Synascidians, 197. 
Wilson, F. R. N., New Genera of Lichens, 
81. 
, H. V., Development of Sponges, 
217. 
, Embryology of Sea Bass, 457. 
Wines, Yeast and Bacteria of Natural and 
Artificial, 536. 
Wings of Chrysalids of Pieris brassicae , 
Green Pigments in, 778. 
of Seed of Abietineae, 505. 
, Venation in Lepidopterous, 469. 
Winkel’s New Drawing Apparatus, 264. 
Winkler, F., Origin of Pigment in Bufo, 
764. 
Winogradsky, S., Researches on Orga- 
nisms of Nitrification, 254. 
Wire, Keeping the Inoculation, 887. 
Wistaria, Stem of, 815. 
Wistinghausen, C. v., Development of 
Nereis Dumerilii , 205. 
Wittmack, L., Pythium Sadebaclcianum , 
a Disease of Peas, 831. 
Wittrock, V. B., Biology of Ferns, 395. 
Wladimiroff, A., Osmotic Experiments on 
Living Bacteria, 87. 
Wollny, B., Cold Sterilized Albuminous 
Nutrient Media, 694. 
