INDEX. 



nor 



Pimina, a uew Genus of Hyphomycetes, 



780. 

 Pinakoscope, Ganz's, with Dreyfus's Ee- 



flector, 796. 

 Pine-apple, Fungus Parasitic on, 780. 

 Pines, Causes which produce Eccentricity 



of the Pith in, 761. 

 Pinguicula, Arrangement of Fibro-vascular 



Bundles in, 74. 



, Observations on, 987. 



, Propagula of, 764. 



Pirotta, R., Endosperm of Gelsominese 



(Jasminese), 249. 

 Pitcher-liko leaflets of Staphylea pinnata, 



253. 

 Pith in Pines, Causes which produce 



Eccentricity of, 761. 

 Pits, Bordered, Mode of rendering visible 



tlie closing Membrane of, 315. 

 Pittsburg, Microscopical Society of, 305. 

 Piutti, A., and L. Luciani, Respiration 



of Silk-worm Ova, 726. 

 Plane, Fungus Parasitic on, 631. 

 Plant Analysis as an Applied Science, 89. 

 Planta, A. v., Nutrient Food-Material of 



Bees, 942. 

 Plant-cells, Properties and Changes of the 



Membrane, Protoplasm and Nucleus of, 



980. 

 , new method for Hardening 



and Staining, 1045. 

 Plantago, Ovules of, 452. 

 Plants, Preservation of, in Spirit and the 



Prevenlion of Browning, 852. 

 which form tlieir Rootlets without 



a Pocket, 987. 

 Plasmodia, Fusion of Lymphatic Cells 



into, 555. 

 Plasmodium of Badhamia and Brefeldia, 



783. 

 Plasmolysis in Flowering Plants, 759. 



of Algse, 93. 



Plasmolytic Method, New Application of, 



1059. 

 Plastic Reconstruction, Methods of, 853. 

 Plastin and Nuclein, Demonstrating, 505. 

 Plate, L., Acinetoides, 974. 



• , Asellicola digitata, 973. 



, OrgaDiization of Deutalium, 933. 



Plate-cultivations, Hardening and Stain- 

 ing, 848. 

 Plateau, F., Palpiform Organs of Crus- 

 tacea, 413. 



, Powers of Vision, 32. 



, RLSpiration of Arachnida, 214. 



, Vision in Arachnids, 214. 



, of Caterpillars and Adult 



Insects, 404. 

 Platner, G., Karyokinesis in Lepidoptera, 



571. 



, New Nuclear Stain and Note on 



Fixation, 675. 

 Platyhelminthes. See Contents, xvi. 

 Plant, H., Improvement in Plant's Flasks 

 for sterilizing water, 1040. 



Plant, H., Sterilization of Potato, Apples, 

 and Water for cultivation purposes, 310. 



Pleochromism of coloured Cell-walls, 602. 



Pleospora, 469. 



Pleurocapsa, New, 784. 



Pleurosigma angulatum, Spectra of, 303. 



formosum, Structure of, 1063. 



Plitt, C, Anatomy of the Leaf-stalk, 448. 



PIossl's (S.) Focusing Arrangement, 

 651. 



Plovers' Eggs, Albumen of, as Nutrient 

 Medium for Micro-organisms, 1037. 



Plum and Cherry-trees, Disease affecting, 

 274. 



Pocket-book, Histological, 686. 



Podocapsa, Ascomycetes and Oleina, New 

 Genera of, 271. 



Podocarpus, Emergences on the Roots of, 

 252. 



Podura Scale, New Appearances in, 499. 



Poirier, J., New Human Distomum, 49. 



Poison of Hymenoptera, 425, 724. 



Polar Bodies in Ascaris, 43. 



Globule of Mammalian Ovum, 186. 



Globules in Animal Ova, Formation 



of, 705. 



Polarized Light, The use of the Micro- 

 scope in the examination of Rock Sec- 

 tions by, 655. 



Polarizing Microscope, Dufet's, 107. 



Poli, A., Adaptation of Kaiser's gelatin 

 for arranging microscopic preparations 

 in rows, 680. 



, 304. 



Pollen-grains, Three Nuclei in, 440. 



Pollination and Distribution of the Sexual 

 Organs, 612. 



in Zannichellia palustris, 256. 



of Alpine Plants, 454. 



of Serapias, 256. 



of Silene inflata, 454. 



Polychffita, Anatomy of, 41. 



PolyedriacesB, 1013. 



Polygordius, 225. 



, Preparing, 662. 



Polymicroscope, Lenhossek's, 104. 



Polymorphism attributed to certain generic 

 groups, 453. 



of the Hyphomycetes, 468. 



Polyparium, Nature of, 594. 



Polypides, Movements of, in Zocecia of 

 Bryozoa, 936. 



Polypodiaceaj, Development of the Spor- 

 angium of, 459. 



, Leaves of, 619. 



Polypody of Insect Embryos, 568. 



Polyporese, 1007. 



Polyporus abietinus, Fr., and Irpex fusco- 

 violaceus, Fr., Identity of, 408. 



applanatus. Formation of two fertile 



hymenia in, 629. 



biennis, Conidiferous Form of, 778. 



Polyzoa. See Bryozoa, Contents, xi. 

 Pond Dredging and Collecting, 505. 

 Life, Illustrations of, 855- 



