654 



INDEX. 



Cytology. See also Contents 

 Cytoplasmic Inclusions of Germ-cells, In- 



veslis-atiijg, G3i 

 Czochralski. J., Methods and Eesults of 



Etching, 63G 



D 



Dangeard, "P. A., Study of Saproleguia, 



323 

 Daniel, J., Concentric Xylem in Dicoty- 

 ledons, 232 

 Daniel, L., Woun^ling and Eegeueration 



of Plants, 598 

 Daniels. L. L., Flora of Great Salt Lake 



of Utah, 610 

 Daphnia, British and Foieign Species, 260 

 Dartia harrisi, 464 

 Davenport, C. B., Evolution Theory in 



the Light of Genetics, 573 

 Davie, S. C, Leaf-trace in Pinnate Ltaves 



of Ferns, 313 

 Davis, J. J., Dipterous Enemy of Ajjhides, 



115 

 Davy, \V. P., Effect of X-ravs on Length 



of Life of Flour Weevils' 578 

 'Dehorne, L., Structure and Reproduction 



of Naidomorpha. 222 

 Dthorne, Y.,Senoniaii Stfoniatoporella,471 

 Delachaux, T., Cladoceia from Victoria 



Nyanza, 392 

 Delineascopes, Spencer, 629 

 jDc-Marchi, M., Macrothrix hirsuticornis 



in the Trentino, 123 

 Demodtx, Species, 584 

 Dendy, A., Gelatinous Spicules in a New 



Genus of Siliceous Spongts, 130 



— <nnd another. Influence of Vibrations 



on Form of certain Spouge-spicules, 

 592 



Denert, F., Note on the Isolation of Enteric 

 Organisms, 254 



Denier and Vernet, Bacteriology of Eubber 

 Latex, 418 



Dependent Development, 561 



Dermatitis, Poison-Oak, Bacterial Eti- 

 ology, 247 



Desmids, Swiss, 238 



Despax, R,, Branchiura Sowerhyi in 

 France, 124 



Destur, J. F., and another, Eubber 

 Diseases, 498 



Development, Embryonic,of Tr/' hogramma 

 evanesceng : Monembryonic Egg-para- 

 site of Donacia simplex, 255 



-d'Herelle, F., Invisible Microbe antago- 

 nistic to Dysenteric Bacilli, 627 



Diatoms from the Province of Posen, 145 



— Marine, from Iceland, 238 



— of Philadelphia, 238 



— Pelagic, of the Gulf of Lvons, 482 

 Dicotyledons, Concentric Xylem, 232 



Dieranochsete reniformis, 144 

 iJictyosiphon foenicuJaceous, 483 

 Difflugia, Heredity and Variation, 131 

 Digital Malformation, 455 



— Tendons, Structure, 209 



Dimoud, L., Demonstrating Presence of 



a Hflemogregarine in Blood in Cases 



of Trench Fever, 515 

 Dinenymiiha gracilis Leidv, Reproduction, 



596 

 Dinoflagellates as Originators of Red 



Snow, 606 

 Dinophilus, Sex, 225 

 Diptera, Chromosome Studies, 213 



— Head-capsule and Mouth-parts, 580 



— Viviparity, 213 



— Wings, Colour-pattern, 582 

 Dipteron Larva, Entamoeba from. 474 

 Dipterous Enemy of Aphides, 115 



— Larvae. 389 

 Discomycetes, Notes. 488 

 Disease and Insects, 213 



— and the Louse, 119 



— of Pitch Pine Timber, 621 

 Distomatosis, Hepatic, in Man, 470 

 DitrichaceaB. Illustrated Key to, 481 

 Dixon, H. N.. Bryological Notes, 236 



— Milium antiquorum. 235 

 Doderlein, L.. Genus Astropecten, 591 

 Dodge, B. O., and otheis, Uredincse, 244 

 Dodge, E. M.. Bacterium campestie, 250 

 Dog Whelk, Varieties, 456 



Dold, H., Bacteriological Eetearches on 

 Etiology of Sprue, 625 



Dolly, W. J., jun.. Light Reactions of 

 Vanessa antiopa, 295 



Donacia simplex, Embryonic Development 

 of Tvichoijramma evanesceng, Mon- 

 embryonic Parasite. 255 



Donaldson, R., Detecting Protozoal Cysts 

 in Faeces by means of Wet stained 

 Preparations, 348 



Doncaster, L., Gynandromr.rphic Speci- 

 mens of Currant-moth, 116 



Double Monstrosity, Rare Form, 285 



Douglas. S. E.. Giowth of Anaerobic 

 Bacilli in Fluid Media under appa- 

 rently Aerobic Conditions, 633 



Drepanolejeunea bide7i>>, 236 



Drew, A. H., and Una D. Griffin. The 

 Parasitology of Pyorrhoea aheolaris, 

 185, 261 



Drosera rotundifolia. Mechanism cf Move- 

 ment. 600 



Drosophila, Temperature Cocfficiint and 

 Duration of Life, 293 



Dry Eot of Potatoes, 621 



Dubosq, O., New Sporozoa, 401 



Ducellier, F., Swiss Diatoms, 238 



Ducha&-k, F., Bacillus paralacticus, 626 



Duck, Twin-embryos, 205 



Dufton, D., Increase of Erythrocytes after 

 Exposure to Carbonic Acid, 384 



