INDEX. 



1139 



Diatoms, Prepiiring, from tlie Stomachs 



of Mollusca and Crustacea, 734. 

 , Sections of, from the Jutland 



" Cemenstein," 843. 



, Structure of, 168, 175, 286. 



, of Cell-wall of, t;85. 



, Zenger's Mourning for, to view 



them on both sides, lUl. 

 Dicliroiscope, Sorby's, 121. 

 Dicotyledons, Relation of Ovary and 



Perianth in tbe Development of, 1026. 



, Sieve-tubes in Leaves of, 1020. 



Dienelt, F., 304. 



Dietzscii, O., 162. 



Dietzell, B. E., Source of the Nitrogen 



of tlie Leguminosaj, 680. 

 Dieulafait, Composition of the Ash of 



Equi.-iotacese and its Bearing on the 



Formation of Coal, 681. 

 Diflflugia cratera, 819. 

 Diffraction Theory, Amphipleura pel- 



lucida and the, 529. 

 Digestion, Moile of, in Sponges, 74. 



of Proteids in Plants, 1030. 



Digestive Apparatus of Spiders, 235. 



Organs of Crania, 233. 



Dimmock, G., Scales of Coleoptera, 442. 

 Dimorphism, Seasonal, in Spiders, 993. 

 Diuobryon, 258. 

 Dioon edule. Anatomy of the Female 



Inflorercenre of, 832. 

 Diphtheria, Micro-organisms as a cause 



of, in Man, Pigeons, and Calves, 



694. 

 Di[>losomidae, The Synascidlan, 796. 

 Dij.pel, L., 140, 336. 

 , Biniodide of Mercury and Potas- 

 sium as a Swelling Agent, 341. 



, Diatoms in Phosphorus, 354. 



, Electrical Apparatus, 872. 



, Polarized Light in Vegetable 



Histology, 357. 

 .Testing the different Sectors of 



Objectives, 324. 

 Diptera, Structure of Ilalteres of, 636. 

 Di.->8ecting Insects, 166, 

 Purposes, Double Injections for, 



905. 

 Di.staplia, Structure of, 233. 

 Distribution, Wide, of some American 



Sponges, 76. 

 DivL-ion ^and Structure of the Cell- 

 nucleus, 474. 



of the Nucleus, 262. 



, Artificial, of Infusoria, 472, 658. 



, Behaviour of Nucleus after, 475. 



, Cell-, Chromatiiie in, 263. 



, , in Melosira, 497. 



, , Influence of Gravity on, 



426. 

 , , Preparing Tissues to show, 



893. 



Division, Direct Nuclear, in tlie Embry- 

 onic Investments of Scorpions, 448. 



of the Cell-nucleus in Plants and 



Animals, 666. 



in Tradescantia, 475, 



of the Nucleus, 86. 



Doassansia, Development of, 502. 



Doderlein, L, Japanese Echinoidea, 

 1009. 



Dogfish, Formation of Egg-shell in, 

 425. 



Dogs, Domestic, Frequent occurrence 

 of Tgenia Echinococcus in, 1002. 



Dfihin, A., Primitive Ilibtory of. the 

 Vertebrate Body, 780. 



Doliulum, 231. 



Dolley, C. S., 564. 



, Technology of Bacteria Inves- 

 tigation, 917. 



Duriiiitories, P. eumonia-cocci in, as a 

 cause of Pneumonia, 300. 



Doiocidaris, Anatomy fjf, 815. 



papillata, Larvid Form of, 1008. 



Double-Drum Micro-cope, 703. 



Douglas, J. C, Litharge and Glyceriu 

 as a Cement, 743. 



Dowdeswell, G. F., On a Septic Mi- 

 crobe from a high altitude. The 

 Niesen Bacillus, 769. 



, Occurrence of Variations in the 



Development of a Saccliaromyce.--, 

 16. 



, The Cholera " Comma " Bacil- 

 lus, 953. 



Doyen, Cholera Bacillus, 509. 



Draper, E. T., 740, 925, 1109. 



Drawings, Multiplying, 527. 



, Pen-and-ink, of Microscopic 



Objects, 1077. 



Dripping Apparatus, Gannett's, 900. 



Druery, E. T., Apospory in Ferns, 

 99, 



and F. O. Bower, Apospory in 



Ferns — Singular Mode f)f Develop- 

 ment in Athyrium Filix-fcomina, 

 491. 



Dry Mounting, 1100. 



of Opaque Objects, 560. 



, without Cover- 



glasH, 161. 



Preparations, Modification of 



■ Semper's Method of making, 898. 

 Dry-rot, 505. 



Dulxjscq's (T. and A.) Projection Mi- 

 croscope, 861. 



Dubravica, New Diatoms from the 

 " Saugschiefer " of, 497. 



Duchartre, P., Bulbils of Begonia 

 Hocotrana, 676. 



, Influence of want of Moisture on 



the Growth of tlie Chinese Yam, 

 1029. 



