964 



INDEX. 



Polyzoa, Fresh-water, Vitality of, 45. 



, Hydrozoa, &c., Mounting with 



Extended Tentacles, 921. 



, liviug, Observations on, 45. 



, New Type of, Ccphalodiscus, 44. 



Pond-Life Hunting, Aylward's Appa- 

 ratus for, 911. 



Pores in the Outer Walls of Epidermal 

 Cells, 678. 



in tlie Walls of Phycochromaceaj, 



88.5. 



Porifera. See Contents, xiv. 



Porphyra, Reproduction of, 546. 



Portable Form of Aeroscope and 

 Aspirator, 338. 



Position of Leaves in respect to Light, 

 386. 



Post, Breakage of Slides in, 469. 



Postal Microscopical Society, 136. 



Potassic Iodide for Preserving Infu- 

 soria, 730. 



Potassium and Ammonium, Sulpho- 

 cvanides of, as Histological Reagents, 

 291. 



Potato Disease, New Form of, 687. 



, Hypoxanthin in, 532. 



, Protein-Crystalloids of, 94. 



Potonie, H., 537. 



Pouohet, M., 77. 



Poulsen, V. A., 151. 



Pow, W. J., 296. 



Power and Aperture in the Microscope, 

 Relation of, 790. 



Power, D'Arcy, 932. 



Practical Processes in Vegetable His- 

 tology, 741. 



Prado, P., 595. 



Prantl, K., 684. 



Precipitation, 748. 



Preferences, Colour-, in Nocturnal Lepi- 

 doptcra, 650. 



Preparing and Collecting Infusoria, 

 729. 



and Cutting Amphibian Eggs, 



442. 



Bacillaria paradoxa, 471. 



Bacillus tuberculosis, 139. 



Dammar Varnish, 145. 



Embryological and other Delicate 



Organisms for Microscopical Exami- 

 nation, Improved Method of, 785. 



Fatty Acids, 141. 



Fresh- water Algaj, for Herbarium, 



922. 



Insects and Spiders, 730. 



Marine Algae, 451. 



Sections of, and Examining Em- 

 bryos, 443. 



Thin Sliccsof RocksandMinerals, 



461. 



Preparations. Sealing up, 601, 



Series-, '919. 



Preparations, Storing, Cataloguing, and 



Labelling, 924. 

 Preservation, 763. 

 Preservative for Fungi, 294. 

 Preserving and Staining Protozoa, 



293. 



Delicate Crustacea and Ccelen- 



terates, Fluid for, 732. 



Fresh-water Medusa, Method of, 



485. 



Infusoria, Potassic Iodide for, 



730. 



Insects, Crustacea, Worms, and 



Small Vertel)rates, 292. 



Urinary Deposits, 152. 



President's Address, 172. 



Pressure, Diminished Atmospheric, 

 Influence of, on Growth of Plants, 

 873. 



, Double Illumination for Insects 



mounted without, 285. 



, Mounting Insects in Balsam 



without, 444. 



Price, H. C, 289. 



Pringsheim, N., 247, 676, 687. 



Prinz, W., Ill, 411, 695, 891. 



Prism, Thompson's Polarizing, 575. 



, Woodward's, Queen's Holder for, 



573. 



" Prismatique," 136, 289, 441, 595. 



Prisms v. Mirrors, 595. 



Pritchard, A., Death of, 136. 



Probosces of Honey-feeding Insects, 

 Cutting Sections of, 917. 



Proboscis of a Fly, Mounting, 292. 



Proceedings of the Society. See Con- 

 tents, xxix. 



Projecting Lanterns, 706. 



Projection Microscopes, 136. 



Prorhynchus, Anatomy of, 63. 



Prosobranchiata, Developmental His- 

 tory of, 192. 



Protection,Mechanical, of Seeds against 

 External Injury, 867. 



of Plants from the Lower Fungi, 



97. 



Protective Sheath and its Strengthen- 

 ings, 679, 868. 



Protein-Crystalloids of the Potato, 94. 



Protliallium, Male, of Equisetum, 392. 



Protococcacerc, Palmellaceae, and Pedi- 

 astrerc, Swedish, 109. 



Protococcus pluvialis to show Nucleus, 

 775. 



Protophyte, Parasitical, Minute Form 

 of, 26. 



Protoplasm, Continuity of, in the 

 Motile Organs of Leaves, 225. 



, through Wails of Vegetable 



Cells, 524, 077. 



, Living and Dead, 225. 



Protozoa. See Contents, xiv. 



