INDEX. 



823 



Ultra -Microscopic Observations: The 



Chaineterisation of luorgauic 



Colloids. 22S 

 Particles made Visible bj"^ means of 



a New licliectinu' Condenser, 364 

 Studies on certain Organic Colloids. 



Two Optic States of Organic 



Colloids. 630 

 Ultramicroscopy and Dark-field Illumina- 

 tion, 735 

 Underwood. L. jM., American Ferns, 322 

 V. European Pteridology, .")75 



— Genus Cvathea in the West Indies, 



572 



— Gleicheniacefe of Xorth America, 571 

 Ungulates, Lachrymal Bone. 1')') 



•* Unpaired Organ " of Conopida;, 3S 

 Uredinales, New Genera of. 20i 

 Uredineffi, 77, 204, 344, -459, 5H9 



— Deformations caused by, 600 



— Influence of Locality in Development 



of Peridinui, 706 

 Ustilago esciileuta, 707 

 Ustihigo Alaidis, 458 



Uterus of Hedgehog after Parturition, 21 

 Uycda, — ., New Cultivation Medium for 



Bacteria, 236 

 Uyeda, Y., Bacterial Disease of Zingiber 



officinale, 87 



Vallet, G., Numeration of Blood-platelets. 



504: 



Valonia and Halicystis, 69S 



Vanadium Steels. Ternary and Quaternarv, 



638 

 Vanej', C, Hhabdoplcura, 47 

 Varde, P. de la, Abnormal State cf 



Atricbum, GS 

 Variation and Heredity, 2iU 



— Determinate, 659 



Vascular System of CliKtopods, 553 



of Ferns, 444 



of Hymeuophyllacese, 575 



^ of Pisicola, 170 



Vecclii, B. de, Photoxylin as an Imbedding 



Medium, lOy 

 Vegesack, A. v.. Ternary Alloys of Lead, 



Magnesium, and Tin. 641 

 Vegetation of the Anarctic Sea, 70 

 Vegetative Organs, Aerial, licspiration, 



442 

 Vejdovskv, F.. New Parasites of Kermes, 



423 

 Verdun, P., Amoi'b.'X" in Abscesses, 685 



— Opisfhorchis fdinetis in Man, 681 

 Verant Lenses, Zeiss', 219 

 Vereitinoff, J. A., Parmelia pltiisodes, 354 

 Vermiform Appendix. Agenesis, 288 

 A'ermilia and Pomatoceros, 169 



Vernon, H. M., Conditions of Tissue 

 Respiration. 416 



— Kate of Tissue Disintegration. 416 

 Verrill, A. H., New Hercules Beetle, 676 



— Holenodon paradoxus of San Domingo, 



A'ert, G., Pollen-grain, 184 

 Vertebral Anomalies, Pare, 664 

 Vertebrata, Tetiapodous, Squamosal Bone, 

 30 



— See Contents, viit 

 Vertebrate Abnormalities. 158 



— Embryos. Eeactions, 5o3 

 Vertebrates. Aortic Arches, 21 



— Fore-brain, 536 



— Nervous System. 26 



— Tertiary, of the Fayum, 29 



— Volant Adaptation, 154 



Vertical Illuminator, An Improved, 282, 



391 

 Vespa, Maturation in Spermatogenesis, 671 

 Vessichelli, N.. Phylliroc, 296 

 Vestigiiil Organs, Piegeneration, 425 

 Viala, — ., Yeast and CvstsiuGloeosporium, 



76 

 Vicentini, F., Leptothrix racemosa, 469 

 Vidal, L.. Validity of Polydichum 



Lonchitis and F. ucideatum, 572 

 Vieille, P., A Method of INleasuriug tlie 

 Kesistance of Metals to Piapid Deforma- 

 tion, 250 

 A'igier. P.. Cytology of Salivary Glands in 

 Helix pomntia^ 33 



— Structure of Compound Eye in BIus- 



cidae, 675 

 Vigouroux, E., Allovs of Nickel and Tin, 



384 

 Vilhelin, J., Characeaj of the Balkans. 698 

 Villcmin, F., Experimental Degeneration 



of Seminal Gland in jMannnals, 286 

 Vincent, H., Anaerobic Microbes of 



Watei;, 234 

 Vincenzi, L., Pseudo-tuberculosis in Frogs, 



724 

 Vine, Endotropic Mycorhiza, 716 



— Study of the Grey Rot, 74 



" Vins Blens " and Coccus anomalus, 724 

 Visibility, Direct, of Neutral Layers la 



Bodies supposed to contain them, 630 

 Vitellus. Studying. 238. 411 

 A'lviparity in Proteus iinguinens, 415 

 Vies, F.. Arterial System of Aplysia. 160 



— Classifications of Echinoids. 431 



— Locomotion of Gastropods, 418 

 of Pectunculus ghjcymeris, 418 



— Mechanism of Swiuiming in Pccten, 35 

 Viichting, H., Regeneration and Polarity 



in Higher Plants, s'^ 

 Voigtl'ander and Sons' Dissecting Stand, 

 727 



— Eye-pieces. 731 



— Hand Microscope for School and 



Demonstration, 72S 



