982 



INDEX. 



Angiosperms, Course of the Pollen-tube 

 in, 262. 



Anguillulidse, Monograph of, 739. 



Angular Aperture, a Correction, 120. 



Angular-aperture Fallacies, 326. 



"Angular Grip," 318 



Annelid, Ou a supposed new Boring, 

 717. 



Annelids, New, from the North Sea, 

 787. 



• , Pol3'chsetous, Development of, 



43. 



Annulus, Structure of, in Hymeno- 

 mycetes. 636. 



Antennae. Anterior, of Crustacea, Hairs 

 of, 886. 



in Crustacea, Sensory Kods of 



First Fair of, 241. 



Anthrax, Etiology and Prevention of, 

 94. 



, Germs, LongLife of : their Preser- 

 vation in Cultivated Soils, 286. 



, Symptomatic, Intravenous In- 

 jection of, as a Means of Immunity, 

 95. 



Antiseptics, Influence of, on Mucor, 

 284. 



Ants. Habits of, 597. 



Aprrtometer, Abbe'snew,for measuring 

 very large Apertures, 978. 



Aperture and Delineating Power of 

 Objectives, 356. 



and Focal Length, Working Dis- 

 tance and its Relations to, 692. 



, Angular, a Correction, 120. 



Fallacies, 326. 



— — , Definition of, 307. 



, Increase of, with the Increase in 



the Density of the Medium, 308. 



in the Microscope, Estimation of, 



388. 



, Low Powers of Large, 120. 



, Microscopical Vision and the 



Value of Wide-angled Immersion Ob- 

 jectives. 303, 365. 



, Numerical, 321. 



, Table of, 325. 



, Photometrical (Questions con- 

 nected with, 341. 



, Test of, 311. 



Theories, the Two, 303, 304. 



, the Kesolution Test (^f, 316. 



, the True Notation for, 303. 



Apertures exceeding 180° angular in 

 air, 303, 308. 



in Opaque Mountings, 540. 



• , New Abbe Apertometer for mea- 

 suring very large, 978. 



• of IMicroscope Objectives, 147, 



150, 154, 161, 303, 365, 376, 377. 

 Apical Cell in the Adventitious Buds of 

 Ferns, 635. 



Aplanatism, Conditions of, for wide- 

 angled Pencils, 831. 



Apple-trees, Cancer of, 775. 



Aquatic Larvse of Lepidoptera, 730. 



Arabin for Mounting, 704. 



Araclmiila. See Contents, xiii. 



Araneina, Blastoderm of, 239. 



Arcliaic Mollusc, New, 28. 



Aretic Echinciderraata, 463. 



Diatomacese, 506. 



Arion, Cysticercus of, new Form of 

 Cestode of the type of, 460. 



Armstrong's Universal Turntable, 850. 



Arranging Diatoms, &c., 141. 



Arthropoda. See Contents, xiii. 



Artificial Light, decomposition of Car- 

 bonic Acid by Plants in, 76. 



Ascidians, Ccelom of, 727. 



. Simple, Organization of, 591. 



, " Olfactory Tubercle " of, 



726. 



, Organization of, 726. 



Asparagin, 273. 



Assimihiting Tissue of Few-leaved 

 Plants, 912. 



Asteroidea, New, 254. 



Astrophytidffi and Ophiuridoe, Pre- 

 liminary List of the known Genera 

 and Species of Living, 467. 



, Stomach and Genital Organs of, 



466. 



Atlantic Ocean, Radiolarian and some 

 IMicrosjiongida from considerable 

 Depths in, 173. 



Atmosphere, Grains of Silica and 

 Miciococci of, 502. 



, Organic " Dusts" of, 89. 



Auditory Organs of the Ixodidae, 449. 



Ossicles of Mammals, 18. 



Austral Regions, Fauna of, 430. 



Australia, Fossil Chilostomatous Bry- 

 ozoa from, 440. 



Australian and Tasmanian Amphipods, 

 241. 



Bryozoa, 593. 



Dittichopora, 470. 



Ausotonic Movements of Vegetable 

 Organisms, 628. 



Axis-cylinder and Peripheral Nerve- 

 cells in Relation to Sense Organs in 

 Insects, 446. 



Aylward's Concentric Turntable, 851. 



B. 



Bacillus of Contagious MoUuscum, 



496. 



of Leprosy, 927. 



Bacteria, Absorption of Pigment by, 



497. 



, Colouring, 838. 



in Diphtheria, 779. 



