726 
INDEX. 
Destruction of Mosquitos, 405 
De Toni’s Sylloge Algarum (Fucoidese), 
91 
Deupser, Experiments with Porcosan, 
700 
Devaux, H., Porosity of Woody Stems, 
203 
Development, Formative Stimuli in, 28 
— Hertwig’s Theory, 29 
— Mechanics, 492 
Dewevre, A., Physiology of Drosophyllum, 
329 
Diagnosis of Cholera by means of Cholera 
Anti-bodies, 357 
Diaheliotropism, 543 
Diaphragm, Development in Rabbit, 495 
— Iris-, Czapski’s Ocular, 120 
Eye-Piece with Graduated, 560 
Meyer’s Microscope-Stage, 248, 350 
Diarrhoea, Bacteriology of Infantile, 667 
Diastase in Leaves, 2()2 
— New Oxidising, 430 
— Penetration into Starch-Grains, 653 
Diastatic Ferment in Beet, 537 
Diatomaceous Deposits, New Analytical 
Process for Study, 568 
Diatom Structure, Recent Advances in De- 
termination, 553 
— Cleve’s Synopsis of Naviculoid, 368, 
453 
Diatoms, Conjugation, 662 
— Movements, 100, 451 
— New Genus, 452 
— Sporulation, 452 
Dicotyledons, Polystely in, 537 
Dietel, P„ New Genera of Uredinese, 450 
— Parasitic Fungi, 94 
— Simple Method for Demonstrating Ger- 
minal Pore in Spore of Rust Fungi, 
257 
— Uredinem with Repeated Formation of 
iEcidia, 342 
— Urediaopsis, 95 
Dieudonne, A., Bactericidal Influence of 
Hydrogen Peroxide, 104 
— Simple Apparatus for Generating Gas- 
eous Formic Aldehyde, 482 
Digestion and Micro-Organisms, 462 
— of Gelatinous Endosperm, 89 
— Vegetable, 652 
Digestive Apparatus of Brachytrypes , 517 
of Higher Stenoglossa, 511 
— Gland in Simple Ascidians, 179 
Digger-Wasps, 618 
Dill, E. C., Chlamydomonas, 213 
Dimorphic Flowers in Gentianaceoe, 84 
Dimorphism of Butterflies, Seasonal, 55 
— of Convolvulus , 433 
— Seasonal, 83 
Dinard, Polychaeta, 414 
Dinophilus, 69 
Dioxide, Carbon, Action on Protoplasm of 
Living Cell, 439 
Diphtheria Bacilli, Branched, 665 
Cultivation Medium, 250 
on Textile Fabrics, Vitality of, 665 
Varieties, 458 
— Bacillus, Cultivation Medium, 249 
Increasing Toxin Production, 249 
Influence of Glycerin in Culture 
Media on, 691 
— Blood-Serum Agar Medium, 473 
— Culture Test, Improvements in Tech- 
nique, 249 
— Tochtermann’s Medium for Diagnosis, 
567 
— Toxin, Method of Preparing very Ac- 
tive, 250 
Diphtherial Matter, Platinum Wire Brush 
for Inoculating Culture Media with, 250 
Diphtheritic Angina, Non-, 227 
— Serum, Anti-, Effect of Injection of 
Solution, 230 
Diplobacillus of Conjunctivitis, Cultiva- 
tion, 474 
Diplodal Sponge- Chambers, 636 
1 'iplograptus, Structure, 193 
Diplopod Fauna in Liberia, New, 406 
Diplopoda, 621 
— Classification, 518 
D\plosoma, Double Larva, 179* 
Dippel, — Microscope and its Applica- 
tion, Part II., 210 
Diptera, Antennae, 58 
— Flower-haunting, 307 
— of St. Vincent, West Indies, 618 
Disc for Preparation of Lacquer Rings, 
New Rotating, 562 
Discomycetes, 551 
Disease of Vines, Bacillar, 100 
— Researches relating to Specific Agent 
of Small-Pox, and Production of Arti- 
ficial Immunity from, 461 
— Role of Fever in Infectious, 346 
— Tsetse Fly, 429 
Diseases among Turkeys, Infectious, 429 
— of Animals, Contagious, 462 
— of Cattle, Acid-Litter for Infectious, 
348 
— Potato, 550 
Disinfectant, Catgut, 669 
Disinfecting Power of Formalin, 480 
of Kresol and Metakresol, 668 
— Purposes, Formic Aldehyde Lamp for, 
570 
Disinfection of the Hands, 670 
— Sun, 223 
— with Formalin Vapour, 700 
— with Formic Aldehyde, 480 
Disorganisution-Phenome a of Cells, 439 
Dispersal of Marine Animals by means of 
Seaweeds, 47 
Dispira , 336 
Dissecting-Stand and Lens-Carrier, New 
Form, 678 
Dissecting, Use of Binocular for, 463 
