INDEX, 



961 



Neubner, E., 691. 



Neville, J. W., 739. 



Newt, Spermatozoon of, 345. 



Newton, E. T., 775. 



— , H. J., 289. 



Nitric Acid, Rapid Method of Demon- 

 strating the Tubercle Bacillua with- 

 out the use of, 764. 



Nobert, F. A., 186. 



, Camera Lucida of, 119. 



Nocturnal Lepidoptera, Colour-Prefer- 

 ences in, 650. 



Nodular Flints, Detection of Polycys- 

 tina within the Hermetically-closed 

 Cavities of, 673. 



Noll, F. C, 732. 



Nordstedt, O., 109, 396. 



Norner, C, 601. 



Norris' Third Corpuscular Element, and 

 Bizzozero's New Blood - corpuscle, 

 631. 



North-Sea Annelids, 59. 



Norwegian Buccinidae, 193. 



Nose-piece, Curties', 572. 



, Matthews', 903. 



, McCalla's, 713. 



, Nelson's New, 572. 



, Pease's " Facility," 136, 425. 



, Safety, Bausch and Lomb 



Optical Company's, 903. 



, Watson's, 904. 



Notarchus, Existence of a Shell in, 830. 



Nothnagel, H., 932. 



Nowakowski, L., 103. 



Nucleated Blood-corpuscles, Double 

 Staining with Aniline Dyes, 447. 



Nuclei of Protozoa, 668. 



Nuclein, Albumen, and Plastin, 866. 



Nucleus and Cell, Division of, 227. 



, Cell-, 88. 



. and Pores in Walls of Phy- 



cochromacese, 885. 



, Structure and Formation of, 



89. 



— — , Division of, 864. 



of the Cells of Secreting Tissue, 



230. 



, Protococcuspluvialis to show, 775. 



, Structure of, 494. 



Nnnn, E. J., 910, 932. 



Nusbaum, J., 204. 



Nutating Internodes, 871. 



Nyctitropism, Structui'e of Leaves in 

 Eelation to, 235. 



O. 



Obelia, Development of, 853. 

 Obersteiner, 918. 

 Obituary, 932. 



Objectives, Abbe's Method of Testing, 

 120. 



Objectives, Correction-adjustment for, 

 288. 



, Homogeneous - immersion, 314, 



594,911. 



, Large Aperture, 120. 



.Matthews' Device for Exchanging, 



903. 



, Spencer's Homogeneous-immer- 

 sion, 911. 



, Testing, 441. 



, Zeiss's Homogeneous-immersion, 



Correction-collar to, 314. 



Oblique and Central Light for Eesolu- 

 tion, 724. 



Observation, Microscopical, Verification 

 of, 766. 



Oehlert, 643. 



Oesterberg, J. A., 530. 



OlHcer, W., 910. 



Oidium albicans, 540. 



monosporium, Peronospora obliqua 



and Ramularia obovata. Identity of, 

 686. 



Olfactory and Salivary Organs of Bees, 

 364. 



Lobes in Vertebrates, and Higher 



Arthropoda, 491. 



Oliver, T.,422. 



Olivier, L., 258, 402, 741, 884. 



Ollard, J. A., 595, 910. 



Onderdonk, C, 412, 725. 



Opaque Dry Mounts, 601. 



, Mounting Objects, in Balsam, 740. 



Ophiuroids, ' Challenger,' 661. 



, New, 662. 



of the ' Gazelle,' 850. 



Ophryocystis Biitschlii, 522. 



Optical Tube-length, 806. 



Orb- weaving Spiders, Snares of, 55. 



Orbitolites, Abyssal Type of, 862. 



OrchidesB, Development of Pollen of, 

 84. 



, Structure of Pericarp of, 530. 



Organisms and Minerals, Distinctions 

 between, 190. 



, Living, in Brickwork, 523. 



Oribatidse, Observations on the 

 Anatomy of, 1. 



Orthoptera, Genital Organs of, 205. 



■ , Saltatory, Male Genital Append- 

 ages of, 206. 



Osborn, H. L., 195. 



Oscillariese, Movements of, 262. 



Osmic Acid for Microscopical Investi- 

 gations, 295. 



Otomycosis, Aspergillus and Eurotium 

 and their Eelation to, 879. 



Ottawa Microscopical Society, 595. 



Oudemans, C. A. J. A., 686, 880. 



Ova, Ascidian, Alteration of, 831. 



in Ascidians, Development of, 356. 



of Ascidians, 497. 



