1138 



INDEX. 



Dahl, F., Anatomy of Spiders, 640. 



, Organs of Sense in Spiders, 58. 



, Season Dimorphism in Spiders, 



803. 



■ , J., Foot-glands of Insects, 989. 



Dallinger, W. H., The President's 

 Address, 177. 



Danilewsky, B., Hsematozoa in Cold- 

 blooded Animals, 472. 



Daphne, Embryo- sac of, 830. 



Daphnia, Fungus-disease in, 1046. 



Dai-este, C, Physiological Purpose of 

 Turning the Incubating Hen's Egg, 

 617. 



Darkness, Leaves kept in. Absorption 

 of Oxygen and Evolution of Carbon 

 dioxide in, 678. 



, Kespiration of Leaves in, 488. 



D'Arsonval, Illumination for Projection 

 Microscopes, 866. 



, Water Microscope, 1054. 



Date, Peculiar Structures in Flesh of, 

 824. 



Davidson, J,, Influence of some Condi- 

 tions on the Metamorphosis of the 

 Blow-fly, 441. 



Davies, T., 162. 



Davis, G. B., 140. 



, J. J., A Simple Cover-compressor, 



564, 925. 



, J. R., Habits of the Limpet, 225. 



Davison, J., Navicula cuspidata as a 

 Test-object, 140. 



Day, E. G., 925. 



■ , Balsam of Tolu as a Medium for 



Mounting, 352. 



Debes, E., Cleaning and Preparing 

 Diatom Material — Mounting Dia- 

 toms, 898. 



Deby, J., Test for the Hand-Lens, 720. 



, Twin Microscope, 854. 



• and A. B. Aubert, Styrax and 



Balsam, 744. 



Decalcification and Staining of Osseous 

 Tissue, 905. 



Dtcapod Crustacea, New, 453. 



, Spermatogenesis in, 237. 



Decapoda, Circulation of, 60. 



Decomposition and Fermentation of 

 Milk, 1048. 



Deecke, T., New Protozoon, 663. 



Deep Fauna of Swiss Lakes, 238. 



Degeneration of Yeast, 693. 



Dehe'rain, P, P., and L. Maquenne, 

 Absorption of Oxygen and Evolution 

 of Carbon dioxide in Leaves kept in 

 Darkness, 678. 



Dehydrating Apparatus, Haacke's, 

 148. 



Dekhuijzen, M. C, 162. 



Delage, Y., Evolution of Sacculina, 

 454. 



Delage, Y. Nervous System of Acoelo- 

 mate Planarians and new Sensory 

 Organ of Convoluta Schultzii, 1004. 



Delogne, 162. 



Deniker, J., Foetus of Gibbon and its 

 Placenta, 783. 



Dentalium, Anatomy of, 623, 984. 



Departure, A New, 745. 



Descent, Theory of, 1027. 



Desmidiese, Movement and Formation 

 of Mucilage by, 1040. 



Desmids, On some New and Eare, 933. 



, New Fresh -water, 497. 



, Staining, 742. 



Desmodium sessilifolium, Opening of 

 Flowers of, 1026. 



Detmer, W., Formation and Ferment- 

 ing Action of Diastase, 98. 



, Formation of Hydrochloric Acid 



in Plants, 274. 



Detmers, H. J., 1109. 



Dewitz, H., How Insects adhere to flat 

 vertical Surfaces, 801. 



Diamonds and Cut Gems, Examining, 

 1108. 



Diaphragms, &c.. Blacking Brass, 1079. 



for Beck's Vertical Illuminator, 



522. 



, Mirror-, 523. 



Diastase, Formation and Fermenting 

 Action of, 98. 



, of, 276. 



Diatom Material, Cleaning and Pre- 

 paring, 898. 



, Mysterious Appearance of, 1041. 



Shell, Structure of. Siliceous 



Films too thin to show a broken 

 edge, 406. 



Valve, Structure of, 286, 498. 



Diatom-synonymy, Lagerstedt's, 287. 

 Diatomacese, Styrax for Mounting, 



166. 

 Diatomaceous Deposit, New, at Santa 



Monica, 173. 



Deposits in Scotland, 287. 



Diatomescope, Osborne's, 128. 

 Diatoms and Bladderwort, 685. 



, Deep-sea, 498. 



, Filamentous Projections on, 571 . 



, Fossil, 498. 



, Fossil Marine, 1042. 



from Lago Trajano, 103. 



in Phosphorus, 354. 



, Internal Spore-formation in, 1041. 



, Mounting, 898. 



, Nature of the Striae of, 169, 173. 



, New, from the " Saugschiefer "' of 



Dubravica, 497. 



of Belgium, Van Heurck's Sy- 

 nopsis of, 686. 



, Prepared, in Fluid ready for 



Mounting, 927. 



