690 
INDEX. 
Coccidian of Frog’s Blood-corpuscles, 42 
— of Octopus, 167 
Coccospheres and Rhabdospheres. 419 
Cockroach, Absorption in the, 276 
— Digestion in, 277 
Codiaceae, Structure, 61 
Coe, W. R., Maturation and Fertilisation 
in Cerebratulus, 283 
Coelentera. See Contents, xvi 
Coelom ic Cavities of Asterids, 40 
Coelom and Vascular System of Leech, 
600 
Coelosphseriopsis g. n., 633 
Cognetti, Luigi, Supposed Encystment of 
Pachydrilus catanensis Drago, 599 
Cohesion-Mechanism, Physics, 500 
Cohn, Ludwig. Central Nervous System of 
Cestoda, 283 
Colard, J., Preparation of Vegetable Casein 
for Experimental Purposes, 671 
Cold and Sunlight, Action on Aquatic 
Plants, 53 
— Influence on Frog’s Ova, 466 
Cole, F. J., Lateral Sense-organs of Fishes, 
• 469 
— Rhabdite-“ cells ” in Cephalodiscus, 490 
Cole, R. S., A Treatise on Photographic 
Optics, by, 227 
Coles, A. C., Modification of Neisser’s Stain 
for Diphtheria Bacilli, 455 
Coli Bacillus, Chromogenic Oxydase se- 
creted by, 318 
Collecting Objects. See Contents, xxxi 
Collemaceae, Sexuality. 312 
Collembola, Japanese. 276 
Collins, F. Howard, Nomenclature of 
Objectives, 437 
Colombini, P., Gonococcus in Blood, 71 
Coloration of Insects, 30 
— of Lepidoptera, 30 
— of Tunicates, 586 
Colour-Change in Lizards, 384 
Colour-Evolution in the Pieridae, 29 
Colour Illumination, Notes on, with Special 
Reference to the Choice of Suitable 
Colours, 142 
— of Leaves, Relation between the Depth 
of, and Chlorophyll Assimilation, 300 
Colour- Variation in Vanessa io and urticse , 
277 
Coloured Nutrient Media, 230 
Colouring Matters, "Yellow, which accom- 
pany Chlorophyll, 611 
Colours of Flowers, 501 
Colozza, A., Structure of Alsti cemeriese, 
294 
Commensalism of Typhoid, Coli, and other 
Bacteria, 525 
Compass Microscope, 529 
Complementary Male of Scalpellum, 391 
Compositae, Embryo-sac, 297 
Compressorium, Davis’s New Ebonite Re- 
versible, 240, 337 
Comstock, J. H., Wings of Insects, 31, 155, 
482 
Condenser, Beck’s Achromatic, 33S 
] Conducting Tissue of Vanilla Fruit, 501 
Condylopalama agilis Sund., 277 
j Conidiscus paradoxus , 63 
j Conids, Formation in Fungi, 420 
i Conjugate, Breaking-up of the Filaments, 
| 187 
i Conjugating Infusoria, Behaviour of the 
Nucleus, 399 
Conjugation, Abnormal, inSpirogyra, 418, 
629 
— of Vorticellids, 288 
Conjunctivitis, ^Etiology of Epidemic, 322 
Conklin, E. G., Dimorphism in Crepidula, 
153 
— Dimorphism in Molluscs, 387 
Conn, H. W., Variations in the Liquefying 
Power of Milk Bacteria, 636 
Constantinea, 627 
Contact Irritability in Hook-climbers, 54 
Contagium vivum fluidum , the Cause of 
Spotted Disease of Tobacco Leaves, 319 
Conte, A., New Cercaria from Snail, 396 
Convoluta, Development, 395 
Convolute Cotyledons, 502 
Coombe, J. Newton, The Reproduction of 
Diatoms, 1 
Copepoda, Microscopic Preparations, 345 
— Movements, 597 
Copper in Plants, 292, 612 
Corallina, Nuclear Division in the Tetra- 
spore Mother-cells, 306 
Corals, Palaeozoic, New Family of, 494 
Cordier, J. A., Biology of Yeasts, 65 
Corning, H. K., Development of Frog’s 
Head, 565 
Corpora allata of Bacillus, 595 
Corpus luteum, Formation, 268 
of Mammals, 573 
Coirens, C., Apical Growth, Phylloiaxis, 
and Origin of the Branches in Mosses, 
626 
“ Corselet ” of Ant, 596 
Cortex, Primary, Modifications in Dicoty- 
ledons, 293 
Coulomb, — ., Vaccinal Immunity acquired 
by the Foetus, 584 
Coulter, J. M., Origin of Gymnosperms and 
the Seed Habit, 182 
— Origin of the Leafy Sporophyte, 623 
Council, Members of, 118 
— Report of, for 1898, 115 
Courmont, P., Technique of the Tuber- 
culous Serum Reaction, 103 
Couvreur, E., Respiration in Cyclostomes, 
24 
Cover-glass Thickness, Effect on the Per- 
formance of Wide Aperture Dry Objec- 
tives, 437 
Crampton, H. E., The Ascidian Half-Em- 
bryo, 153 
