INDEX. 
721 
Medium, Influence of the Reaction of, on 
Bacterial Growth, 131 
of surrounding, on the Growth of 
Roots, 649 
— New, for Bacteriological Diagnosis, 597 
Medullated Nerve-fibres, Demonstrating, 
682 
Medusae, Keeping Alive, 432 
— from Australia, 433 
Meehan, T., Cross-pollination and Self- 
pollination, 99, 100 
Meek, A., Sheep-Ticks and Louping-Ill, 
74 
Meerwarth, Hermann, Coloration of Birds, 
412 
Megnin, P., Harvest Mites, 194 
Meisenheimer, J., Development of Limax 
maximus, 531 
Meissner, R., Parasitic Fungus, 331 
— Size of the Leaves of Conifers, 320 
Melanism in Reptiles and Amphibians, 67 
Melchioria, 330 
Melobesiaieae, 107 
Membrane in the Schizophycem, Curva- 
tures and Structure, 334 
Mercaptan, Production by Bacteria, 337 
Mercer, A. Clifford, Aperture as a Factor 
in Microscopic Vision, 354 
Merizocotyle, 428 
Merkel, Fr., Formative Forces, 183 
Mesenteries, Development of, in Actiniae, 
86 
Mesnil, Felix, Branching Annelid, 78 
— Epitokous and Polymorphic Forms of 
Uodecaceria concharum , 541 
— Method of Action of Preventive Serum 
against Swine Erysipelas, 664 
— New Capitellid, 79 
Coelomic Gregarine, 204 
Gregarine, 635 
— Spirorbis, 305 
— Viviparity in an Annelid, 629 
Mesoderm, Development in Phoronis, 81 
— Theory, 401 
Mesonephros aud Pronephros, Develop- 
ment, in Myxine, 54 
Mesophyll of Ferns, 105 
Messter’s Bacteria Microscope, 587 
— Compressorium Microscope, 587 
— Preparation Microscope, 588 
Metalnikoff* S., Excretion in Ascaris, 427 
Metamerism of Head in Torpedo, 287 
Metamorphosis in Plants, 325 
— Internal, of Ants, 72 
— of Caterpillars, 535 
— of Muscidae, 535 
Metcalf, M. M., Neural Gland in Cynthia 
papillosa, 415 
Methylen-Blue for Investigating Respira- 
tion in Plants, 601 
Metzgeria, Retrogression in, 451 
Meves, Fr., Axial Filament of Human 
Spermatozoa, 57 
Meyer, A., Astasia asterospofa, 120 
— Hydathodes, 554 
Mez, C., Microscopical Water Analysis, 606 
Miall, L. C., Structure and Life-History 
of Phalacrocera replicata , 299 
Michael, A. D., 146, 251, 694, 695 
— Acari from Franz-Joseph Archipelago, 
74 
Michaelis, L., Lactation, 289 
Michaelsen, W., Chilian Earthworms, 542 
— Earthworms of Madagascar Region, 304 
Michel, A., Development of Nephridia of 
Earthworms in Regeneration and in 
Ontogeny, 542 
— Composition of Nucleoli, 289 
— Origin of Setigerous Bulbs and Ne- 
phridia in Annelids, 196 
Michel, G., Microscopical Examination of 
Viscous Urine, 373 
Microbiological and Serotherapeutical 
Technique, 492 
Microbiology as applied to Hygiene, 461 
Microchzete tenera, Germination, 459 
Micrococcus xanthogenicus aud Yellow 
Fever, 121 
Micro-Crystallography, a few Notes on, 
251, 270 
Micrometer, Repsold’s New Self-Register- 
ing, 126 
Micro-organisms, Internal Structure, 336 
Micro-Ruling, 690 
Micro-Sclerometer for Determining the 
Hardness of Minerals, 237 
Microscope, Berger’s New, 583 
— by John Cuff, 675 
— Messter’s Bacteria, 587 
Compressorium, 587 
Preparation, 588 
— Large Binocular, designed aud made 
by an Amateur, 668 
— New Hartnack, 347 
— Old French, 674 
— Sticker’s Travelling, 583 
— The “ Frara,” 673 
Microscopes, “ British Students’,” 67 1 
— Two Old, 473, 496 
Microscopical Manipulation. See Con- 
tents, xxxiii 
— Optics. See Contents, xxxiii 
— Technique. See Contents, xxxiii 
Microscopy. See Contents, xxxii 
Microsporange of Stangeria, 94 
Microtome, Groot’s Improved Lever, 244 
— New, 242, 683 
by Reichert, 374 
(System Beck-Becker), 374 
— Student’s, 377 
Microtomes, Two very simple, 378 
Microtomes. See Contents, xxxiv 
Migula, W., Astasia asterospora, 577 
Migula’s Bacteriology and the Classifica- 
tion of Bacteria, 460 
— European Characeae, 327 
3 o 2 
