817 
INDEX. 
A. 
Abel, R., Bacillus mucosus ozzenx, 680 
Aberson, J. H., Method for testing Filter- 
ing Apparatus, 556 
Abies pectinata, Resin-canals of Leaves, 60 
Abietinese, Seed- wings of, 207 
Acari, Fixation of Parasitic Hexapod 
Larvae of, 325 
Acaridae, 442 
Acarus, New British, 626 
Achenes of Composite, 654 
Acid, New Lichen-, 497 
, Osmic, Fat as affected by, 803 
Acosta, E., Chamberland Filter, 259 
, Description of a new Cladothrix, 
779 
, Method for Preparing Gelatin, 402 
Acqua, 0., Formation of Cell- wall in Hairs 
of Lavatera, 752 
Acraeidae, Pocket-like Abdc minal Ap- 
pendages of Female, 322 
Acridium peregrinum, Eggs of, 624 
Actiniae, Absorption in, 195 
■ , Brood-chambers in, 643 
Actinomycosis, Pure Cultivations of, and 
its Transmissibility to Animals, 77 
Adami, J. G., Variability of Bacteria and 
Development of Races, 234 
Adelung, N. von, Tibial Auditory Appa- 
ratus of Locustidae, 177 
Adensamer, T., Eye of Scutigera coleop- 
trata, 470 
Adinetidae, 482 
Adler, A., Length of Vessels and Distri- 
bution of Vessels and Tracheids, 205 
AEcidiconium g. n., 223 
JEcidium leucospermum, 767 
AEolis, Development of Cerata, 730 
^Etiology of Cholera, 685, 775 
of Malaria, 646 
— - - • of Texas Fever, 646 
African Coral Reefs, East, 194 
Agar Plates, Diagnosis of Cholera Bacilli 
by means of, 798 
Agaricineae, Pilose Tubercles of, 669 
Aglia tau, 176 
Air-pump for Microscopical Purposes, 387 
Albumen, Active, in Plants, 59 
, Decomposition in absence of Free 
Oxygen, 214 
, Incoagulable, as Cultivation Medium, 
402 
, , Sterilizing, 112 
Albumin, Production in Plants, 661 
Alciopidae of Berlin Museum, 474 
of Messina, 185, 740 
Alcock, A., Corals from Indian Seas, 745 
, Deep-sea Asteroidea from Indian 
Ocean, 194 
, Habits of Gelasimus annulipes, 36 
Alcohol, Amyl, Bacterium which ferments 
Starch and produces, 84 
, Ferment producing 18 per cent, of, 
220 
Aleurodes asparagi sp. n., 285 
Alexins, Origin and Presence in Organism, 
515 
Algae, Cultivating Lower, in Nutrient 
Gelatin, 704 
, Mounting Medium for, 566 
. See Contents, xxviii 
Allantois, Development in Guinea-pig, 
723 
Allantonema sylvaticum, 741 
Allen, E. J., Nephridia and Body-cavity 
of Larva of Balsemonetes varians , 326 
Allolobophora Savignii, 741 
Alpe, V., Mode of Absorption of Free 
Nitrogen by Leguminosae, 68 
Alpine Plants, Leaves of, 350 
Altmann, P., Granula Theory, 159 
, New Microscope Lamp as Safety 
Burner, 100 
, Thermo-regulator for Petroleum 
Heating, 113 
Amann, J., Pleochroism of Stained Bac- 
teria, 770 
Ambronn, H., Application of Polarized 
Light to Histological Investigations, 692 
, New Method for Determination of 
Refractive Indices of Anisotropic Micro- 
scopic Objects, 697 
Amelung, E., Average Size of Cells, 752 
America, North, Planarians and Nemer- 
teans of, 741 
