INDEX. 



883 



Plate, L., New Vorticelline, 74. 



Plate Modelling Method, or Plastic Re- 



cunstruction of 01)iect, 144. 

 Plateau, F., Vision of Arthropods, 202. 

 Platner, G., Import of Polar Globules, 



365. 



, Investigation of Cell-structure, 459. 



Polnr Body Formation in Aulas- 



tomum, 755. 

 , Role of the Accessory Nuclear Body 



in Secretion, 625. 

 , Spermatogenesis in Lepidoptera, 



743. 

 , Structure of the Cell and Phenomena 



of its Division, 366. 

 Platyht^lminthes. See Contents, xvii. 

 Plant, H., Prevention of Cultivations from 



Drying, 459. 

 Pk'omorphism of Bacteria, 795. 

 Pleospora herbarum. Polymorphism of, 



425. 

 Plessis, G. du, Otoplana intermedia, 643. 

 Pleurosigma angulatum, Structure of, 166, 



566, 812. 

 Pleurotus olearius, Phosphorescence of, 



426. 

 Plowright's (C. B.), British Uredinete and 



Uslilaginea3, 424. 

 Plumatella, Formation of Statoblasts, 377. 

 Plymouth, Marine Oligochjeta, 515. 



Pelagic Copepoda, 753. 



Sound, NuilibrancliiateMoUusca, 737. 



Pneumonia of Lambs and Calves, Micro- 

 organisms of, 270. 

 Pocock, R. I., Myriopoda of Mergui Archi- 

 pelago, 507. 

 Podocoryne, Origin of Female Generative 



Cells in, 231. 

 Podophrya from Calcutta, 768. 

 Poison-ajiparatus of Mosquito, 51. 

 Poisons, yeast, 108. 

 Polar Bodies, Number of, 193. 



Globules, Import of, 365. 



in Cirripedes, Formation and 



Number of, 385. 

 in Eggs of Insects, Formation 



and Fate of, 502. 



, Number of, in Eggs of Bees, 634. 



Polar-Body, Formation iu Aulastomum, 



755. 

 Polarity and Dorsiventral Structure of 



Plants, Influence of External Agents on, 



668. 

 Polarizer, Ahrens' Modification of Dele- 



zenne's, 276. 

 Polarizing Apparatus for the Microscope, 



610, 617. 

 Polejaeft", N., Korotnewia desiderata and 



the Phytogeny of Horny Sponges, 649. 

 Poli, A., Formation of Calcium oxalate in 



Plants, 774. 



, Imbedding in Glycerin Soap, 835. 



, Kaiser's Gelatin for arranging micro- 

 scopical preparations in series, 153. 

 , Notes on Microscopy, 294. 



Poli, A., The Microscope and its theory, 



294, 451. 

 Pollen of the Convolvulacesc, 406. 



of the Cycadeaj, 772. 



Pollen-grains, 661. 



mother-cells, Demonstration of, 600, 



tubes. Demonstration of, 600. 



Pollens, Medium for mounting, 602, 834. 

 Pollicipes and Anutifer, Tegumentary 



Coverings of, 513. 

 Pollination by Lepidoptera, 667. 

 Pollinoids of Florideai, 674. 

 Polychajta of Dinard, 55. 

 Polydesraus petalicolor, sp. n., 265. 

 Polygonum, Dimorphism of, 781. 

 Polymorphism of the Leaves of Abietinese, 



245. 

 Polyodontes maxillosus, 754. 

 PolyporeiB, Poroptyche, a new genus of, 



565. 

 Polysiphonia, Frond of, 556. 

 Polyxenus lagurus. Anatomy of, 637. 

 Polyzoa. See Bryozoa, Contents, xiii. 

 Pompilidse, Male Copulatory Apparatus of, 



205. 

 Poplar, Lombardy, parasitic fungus on, 681. 

 Porifera. See Contents, xix. 

 Poroptyche, a new genus of Polyporese, 565. 

 Porto Rico, New Algae frona, 97. 

 Potato, Cultivation of Bacillus tuberculosis 



on, 598. 

 Potonie', H., Sclerenchymatous Cells in the 



Flesh of the Pear, 242. 

 Pouchet, G., Monstrous Larvte of Echinus, 



392. 

 Poulton, E. B„ Lepidopterous Larvae, 206. 

 Powell and Lealaud's Apochromatic Con- 

 denser, 125. 

 Prantl, K., Parasitism of Nostoc, 567. 

 Prasiola, 793. 

 Prazmowski, A., Eoot-tubercles of Legu- 



minosse, 246. 

 Prentiss, A. N., Hygroscopic Movements 



in the Cone-scales of Abietinese, 88. 

 President's Address, 169, 317. 

 Prillieux, E., Bacillar Tumours of tlie 

 Olive and of Pinus halepensis, 546. 



, Ligneous Tumours in the Vine, 410. 



, Parasitic Fungxis on the Lombaidy 



Poplar, 681. 

 Primula with Anatropous Seeds, 663. 

 Prize offered to Medical Microi^copists, 314. 

 Proceedings of the Society, 160, 315, 472, 



608, 718, 845. 

 Prolification in the Hyphomycetes, 789. 

 Prosobranchiata, Neurology of, 372. 

 Proteromonas New, 768. 

 Prothalliura of Lycopndium, 94. 

 Protista, Structure of Pylomata of, 238. 

 Protococcacese, Dicranochsete, a new genus 

 of, 101. 



, Stomatochytrium, a new genus of 



Endophytic, 565. 

 Protoneme of Mosses, Development of 

 Lichens on, 680. 



