898 
INDEX. 
Valude, — Antiseptic Value of Anilin 
Pigments, 798. 
Van der Stricht, 0., Development of Blood 
in Embryonic Liver, 578. 
, Examination of Embryonic 
Liver, 683. 
Heurclc’s Microscope, 399, 434, 558. 
Vanni, G., Measurement of Focal Length 
of Lenses or Convergent Systems, 665. 
Variations in Flower, 490. 
, Nature and Origin of, 717. 
Varnishes, 692. 
Vasale’s. G., Modification of Weigert’s 
Method, 424. 
Vascular Bundles, Equivalence of, in 
Vascular Plants, 760. 
, Function of Sieve-portion, 211. 
of Isoetes , 222. 
System in Annelids, 348. 
of Floral Organs, 363. 
Vauclieria, Oogone and Oospliere of, 379. 
Vaughan, V. G., Examination of Drink- 
ing Water with reference to Typhoid 
Fever, 804. 
, New Bacterial Poisons, 804. 
, New Poison in Cheese, 515. 
Vegetable Cells (Tinoleucites), “Attrac- 
tive Spheres” in, 614. 
■ Hmmatin, Aspergillin, 486. 
Membranes, Hygroscopic Swelling 
and Shrinking of, 485. 
Physiology, Hansen’s, 623. 
Tissues, Use of Polarized Light in 
Observing, 429. 
Vegetation, Aquatic, in the dark, 385. 
of Hot Springs, 232. 
Vejdovsky, F., Development of Vascular 
System in Annelids, 348. 
, Phenomena of Fertilization, 713. 
Velenovsky, J., Rhizome of Ferns, 500. 
Venetian Turpentine, Mounting Botanical 
Preparations in, 551. 
, Preparation of, 429. 
Vera Cruz, Echinodermata of, 50. 
Verhoogen, R., Action of Constant Current 
on Pathogenic Micro-organisms, 799. 
Vermes. See Contents, xv. 
Vertebrata, Nerve- end Plates in Tendons 
of, 427. 
, Origin of, 576. 
Verworn, M., Life of Difflugia, 205. 
Psycho-physiological Studies on Pro- 
tists, 54. 
Vessels, Order of Appearance of, in flowers 
of Trcigopogon and Scorzonera , 364. 
, Sieve-septum of, 364. 
Viala, P., Basidiomycete parasitic on 
Grapes, 637. 
, New Vine-disease, 505. 
Viallanes, H., Compound Eye of Macrura , 
468. 
, Structure of Nerve-centres of Limu- 
lus, 36. 
Viburnum , Leaves of, 622. 
Vida Faba, Infection of, by Bacillus radi- 
cle ola, 387. 
sepium, Abnormal Leaves of, 214. 
Victoria, New Peripatus from, 36. 
Victorian Land Planarian, 474. 
Sponges, 610. 
Ville, G., Sensitiveness of Plants to certain 
Salts, 219. 
Villiers, A., Transformation of Starch into 
Dextrin by Butyric Ferment, 498. 
Vinassa, C., Characteristics of some Anilin 
Dyes, 551. 
Vinca , Stigmatic Disc of, 621. 
Vincent, H., Bacillus of Typhus in Water 
of Seine, in July 1890, 392. 
, Bodies resembling Psorosperms in 
Squamous Epithelioma, 754. 
Vincentini, F., Diplococcus resembling 
Gonococcus , 643. 
Vine, Cuttings of, 62. 
disease, New, 505. 
, Pearl-like Glands of, 622. 
Vines, S. H., Diastatic Ferment in Green 
Leaves, 774. 
Visart, O., Preparing Epithelium of Mid- 
gut of Arthropods, 828. 
Vision of Pulmonate Gastropods, 177. 
Vocliting, H., Assimilation of Leaves, 
496. 
Voeltzkow, A., Eggs and Embryos of 
Crocodile, 577. 
, Entovalva mirabilis , 332. 
Voigt, A., Localization of Essential Oil in 
Tissue of Onion, 209. 
Volvox , 226. 
globator, 301. 
Vorce, C. M., Graphological Microscope, 
402. 
Vosseler, J., Cement and Wax Supports, 
429. 
, Deterioration of Mayer’s Albumen- 
Glycerin Fixative, 428. 
, Odoriferous Glands of Earwigs, 
184. 
Vries, II. de, Abnormal Formation of 
Secondary Tissues, 364. 
, Aquatic Vegetation in the Dark, 385. 
— — , Duration of Life of Seeds, 495. 
Vuillemin, P., Leaves of Lotus , 368. 
, Mycorhiza, 779. 
, Secretory System of Papilionacese, 
W. 
Waage, T., Occurrence and Function of 
Phloroglucin, 209. 
, Roots without a Root-cap, 765. 
Wachsmuth, C., Perisomatic Plates of 
Crinoids, 352. 
Wagner, F. v., Asexual Reproduction of 
Microstoma , 198, 275. 
