'84 



INDEX. 



Elastic Tissue of the Eye of Birds, Demon- 

 strating, 109 

 Electric Organ of Mormyrus oxyrhyncus. 

 Minute Structure, 292 



of Stargazer (Astroscopus), 31 



Electrical Conductivity of Alloys, 508 

 Electricity, Action upon Germination, 319 

 Elenkin, A., Symbiosis in Lichens, 353 

 Elephant. African, Kidney, 666 

 Eliot, C, Antarctic Nudibranchs, 543 



— Antarctic Pterojiods, 543 

 EUermann. V.. Protozoon-like Organism 



in Human Saliva, 605 

 Ellis, D., New Species of Thread Bacteria, 



470 

 Elsler, E., Operculum of Spirorbis, 679 

 Embletou, A. L., Origin of the Sertoli or 

 Foot-cells of the Testis, 20 



— Synapsis in Newt, 25 



Embryo and Larva of Saccocirrus papillo- 

 cercus. Studying, 243 



— Early Human, Structure, 148 

 Embryogeny and Fertilisation in Cephalo- 



taxus Fortunei, 317 



— of Cuban Nymphajacese, 440 

 Embryology and Development of Melilotus 



alba, 441 



— in Hieracium, 56 



— of Fishes, Suggestions from, 150 



— of Oikopleura, 670 



— of Paludina vivipara, 418 



— of Ehizophora. 689 



— of Khytidophyllum, 568 



— of" Shepherd"' s-purse," 318 



— of Vertebrates. See Contents, viii 

 Embryos, Vertebrate, Reactions, 533 

 Embryo-sac of Phaseolus vulgaris, 318 

 Emerson, E. T., Structure of a Cave 



Salamander, 156 



Emys europxa. Development of Middle 

 Ear, 287 



Enchytiseid, New, 426 



Endocarpou, Parasitic Lichens on, 84 ■ 



Endospores, Bacillary, Structure, 213 



Endostylc of Appendiculariaj, 417 



Enock, F., On the Life-history of the 

 Tiger Beetle, Cicindela campestris, Lec- 

 ture, 513 



Eusis directus. Movements, 542 



Enteron and Integument of Crypto- 

 branchus, 31 



Enteropneusta, Pericardial Vesicle, 307 



Entomostraca, Indian, 425 



Entoptic Vision, 224 



Entozoa of British Marine Fishes, 170 



Environment, Effect on Fern-structure, 

 320 



Enzymes, Bacterial, New Apparatus for 

 Studying, 374 



— Proteolytic. Modification of Fermi's 



Method for Examination, 377 

 Ephemerid, Larval, Structure, 302 

 Ephemeridse, Mouth-parts, 674 



Ephemeridae, Tracheal Gill-musculature 



674 

 Ephemerum stellatiim, 328 

 Epidermis of Terrestrial Plants, 181 

 Epigcmium of Mosses, 68 

 Epithelial Cells in the Intestine, Inter- 

 cellular Connections, 291 



— Corpuscles in Mammals, 152 

 Epithelium of Gut, Intercellular Bridges, 



413 



— Proliferating, Mitosis, 663 

 Equilibration and the Semicircular Canals, 



417 

 Equisetum, Difterentiation of Tissues, 438 

 Equisetum hyemale. Studying the Spor- 

 angium, 494 

 Erdheim. J., Epithelial Corpuscles in 



Mammals, 152 

 Erema»cus fertilis, 456 

 Ergot, Development, 75 



— Notes, 343 



Erinaceus, Trichosoma in Liver, 46 

 Ernest, A.. Anaerobic Respiration, 442 

 Errera's Prar-tical Course of Vegetable 



Micro-chemistrv, 754 

 Ersser, T. D., 263 

 Erysiphe graminis, 76 

 Escherich, K., Studies on Thysanura. 40 

 Etching Reagents for Steel, 114 

 Eternod, A. C. F., Gastrulation in General 



and in Mammals in Particular, 147 

 Etiolation, 443 

 Ettles, Ettles-Curties Ophthalmometer 



and a Corneiil Microscope, 386, 481 

 Eucyphotes, Duration of Larval Life, 



425 

 Euglense, Chemical Products, 434 



— Parasitic. 433 



Euparal. a New Mounting Medium, 501 

 Eury, F. G., Inflorescences of the Seed- 

 bearing " Ferns, 186 



— Seeds and Inflorescence of Callipteris, 



186 

 Eutectic Copper-copper Oxide, Com- 

 position, 114 



— Mixtures, Variation in Melting Point, 



510 

 Euterpe oleracea. Stem-thickening, 438 

 Evans, A. W., Calypogeia and its Type- 

 species, 332 



— HepaticfB of Porto Rico, 331 



— North American Hepaticse, 584 



— Vancouver Hepaticse, 191 



Everitt. P. F., Diffraction Rings due to a 



Circular Ai)erture, 389, 405 

 Evolution and Plasticity of Organisms, 

 417 



— without Mutation, 23 



Ewart, A. J., Ascent of Water in Trees, 

 689 



— Museum Beetle. 547 



Ewell. M. D., Me;i8urements of some 

 Modern Micrometers, 735 



