436 



INDEX. 



Donaldson, Henry N., Mycelin and Ad- 

 vancing A/?;e, ] 8.") 

 Donatia, Buds )f, 201 

 Donatio is, Lad/ Flower. ]\licrosoope, 244 



— Dr. Urban "Pritchard, Diatom Slides, 



410 



— Mr. J. Rheinberg, Photographic Scales 



and Micrometer Rulings, 410 

 Doratogonus, 195 

 DoreTidorf, Botulism, 393 

 Dotilla clepsydra sp. n., 19G 

 Douglas Fir', Needle-blight of, 225 

 Douiii, Ch. et R., lieboulia Baddi, 319 

 Douin, R., Water-conduction in Marchan- 



tiacere, 71 

 Dragon-flies, 55 



— Copulatory Apparatus of. 56 



— Development of Wings, 55 



— Facets in the (.Compound Eye of. .")5 



— Larval, Respiration in, 377 



— Metamorphosis of, 56 



— Mushroom Bodies of Brain of, 55 



— Pronynipli of, 56 



— Tracliasl Gills in Larvaj of, 5G 



— Vision of, 55 



— Zygopterid, Claudal Gills of Larvsfc of, 



304 

 Dragon-fly, Larva. Trachea) in, 377 



Rectal Tracheae of, 377 



Tracheation of, 376 



Drosoi^hila. 37, 194 



— ampelophia Leow., 375 



— Bristle Inheritance in, 53 



— huschii, 192 



— Inheritance of I^xtra liristles in, 375 



— melanogaster Merg., 375 



— Reactions of, to Light and Gravity, 303 



— Temperature and (.'rossing-over in, ^03 

 DryopteridesB — a New Tribe of Polypo- 



diacese, 67 

 Duboscq. O., 63 

 Duesberg, G., Chondrisomes in Testis- 



cells of Fundulus, 294 

 Duncan, Martin, Photomicrographs of 



Bacteria, 105 

 Duplicities, Morphogenesis of, 291 

 Dustin, A. P., Epithelial Reversions in 



Human Thymus, 41 

 Dysentery on the Somme, 92 

 Dytiscus, 194 



— marginaJis, 193 



E 



Earland, A., and E. J. Sheppard, Report 



of Slides Cabinet Committee, 420 

 Earwigs, 378 



EchiiKicardium rordatum, 369 

 — Amphiura Jili/ormis, 369 

 Echinococcus, 187 



Echinoderma, Phagocytosis of, 200 

 Echinoderms, Ceplialodiscus-like Ancestor 



of. ;!S6 

 Echiuoids, Larval, Experiments with, 386 

 Echinnracliithis parma, 179 

 Echinostoma ilocanum in Patients of 



Manila Hospital, 199 

 Ecklonia, Iodine in, 325 

 Edgerton, C. W., Tomato-wilt, due to a 



Eusarium, 224 

 Edison, H. A., New Phycomycete, 79 



— Damping-off of Seedlings of Sugar- 



beet, 86 



— Pliuma Betse, 87 

 Edwards, J. Graham, 313 

 Eels, Young, Staining, 99 



Eggleston, H. R., Photomicrographs in 



Colour, 229 

 Eofg-rafts of Culex pipiens, 49 

 Eggs, Eflect of Vital Stains on, 178 

 Elders. C. Intestinal Flora of Sprue. 91 

 Eldridge. A. A., 231 

 Klectriibisium acutum g. et sp. n., 46 

 JClectriifaeiius graciUpes g. et sp. n., 46 

 Ellis. Davis, Phycomycetous Fungi from 



English Coal Measures, 392 

 Ellis, Max M., Bninchiobdellids from 



Michigan Crawfishes, 307 

 Ellis. O. W., Comparison Screen for Brass, 



234 

 Elmore. C. J., Charging Diatoms of 



Devil's Lake, North Dakota, 215 

 Embryo (Amphibian) Removal of Prone- 



phorus of, 181 



— Germ-cells in, 39 



— Haemopoiesis in Mongoose, 31 

 l^mbryos, Vertebrate, 34 

 Enallagma, 377 

 Endocladia. 77 



Endomixis, Rhythms in, 202 



— Influence of Environment on, 202 

 Endophyllum Spores, 218 



— Eii.pluirhix-silraticx, 218 

 Eiidrosis fenest rella ,315 

 Enerthenema papiUatum (Perj.), var. 



carnea-griseum, var. nov., 393 

 Entamoeba dysenterise, 202 



— histflli/tica. Races of, 313 

 diameter of, 313 



and Eidamosba ranartint, 313 



Entumiiphthiira americana, 79 



Enzymes. Theory that sex-factors are, 53 



J'qjhiidiitid fluHattlis, var. inthu, var. nov., 



389 

 Epicymatia aphthosse sp. n., 220 

 Epizootic Lymphangitis, Cultivating the 



I'arasite'ot, 232 

 Equisetum dehile, (j6 

 Erdmann, Rhoda, Chicken Bone-marrow 



in Plasma Medium, 41 

 Ericaceae, Endotrophic Mycorhiza of, 88 

 Eriksson, J., Development of Phyto- 



phthora, 325 



