1128 



INDEX. 



Ultra-violet Eays, Action of, in the For- 



matioii of Flov\ ers, 617. 



and Ants, 73. 



Umlu'ia, Fossil Diatoms from, 443. 

 United States, Terrestrial Air-breathing 



Molluscs of the, 376. 

 Unna, P. G., 519, 691. 



■ , Chemistry of Staining, 852. 



, New kind of solid Blood-serum — 



Blood-serum Plates, 882. 

 , Reduction of Chromic Solutions in 



Animal Tissues corrected by Eeoxida- 



tion with HjO,, 1060. 



, Kosanilin and Pararosanilin, 1059. 



, Staining of Lepra Bacilli, 517. 



Urbanowicz, F., Development of Cope- 



poda, 86. 

 UredinesB, Heteroecious, 1004. 



, Scandinavian, 282. 



Uric Acid Crystal?, Method of obtaining, 



from the Malpighian Tubes of lustcts, 



and from the Nephridium of Pulmo- 



nate Mollusca, 166. 

 Urinary Sediment, Collecting, for Micro- 

 scopical Examination, 500. 

 Urococcus, 286. 



Ustilagine£e, Scandinavian, 282. 

 Ustilago Treubii, 1004. 

 Uterus or Enigmatic Organ in Fresh-water 



Dendrocoela, Function of, 597. 



v., O., 497. 



v., E. E., 691. 



Vacuoles, Contractile, of Infusoria, 100. 



, Formation of, in red-blood Cor- 

 puscles, 50. 



, Young Condition of, 605. 



Valette. See La Valette St. George. 



Vallot, J., Influence of soil on the vegeta- 

 tion on the summits of the Alps, 784. 



' Valorous ' Expedition, Isopoda of, 236. 



VandeiTDoel, F., 352, 661. 



Vanilla, Eaphides-cells in the Fruit of, 

 268. 



Varigny, A. de, Influence of Medium, 

 568. 



Variola, Micro-parasite of, 452. 



■ vera, Amcebaj of, 977. 



Vascular bundles, concentric, 608. 



of Zea Mays, 109. 



Plants, Gliding Growth in the For- 

 mation of the Tissues of, 272. 



■ System, Colonial, of Tunicata, 377. 



Vaucheria, Gyiiaudroiis, 1000. 



Vaucherias, Marine, 441. 



Vfcjdovsky, F., Spongilla glomerata, 99. 



Verbascum, Fertilization of, 433. 



Veretillum, Anatomy and Histology of, 

 765. 



Verlot, B., 1041. 



Vermes. See Contents, xvii. 



Vertebrata. See Contents, x. 



Vesicatin;< Insects, 224, 581. 



Vesicle of Balbiani, 565. 



Vesicular Vessels of the Ouiou, 262. 



Vespa crabro and V. vulgaris, Brain of, 



578. 

 Vesque, J., Aquiferous System in Oalo- 



phyllum, 261. 

 , Epidermis as a Eeservoir of Water, 



261. 

 Vessels, Starch in, 423. 

 Viala, P., and L. Eavaz, "Black-rot" of 



the Vine, 129. 

 and L. Scribuer, New Disease in 



Vines, 1005. 

 Viallanes, H., Brain of Vespa crabro and 



V. vulgaris, 578. 

 , Comparative Morphology of the 



Brain in Insects and Crustacea, 379. 

 , Preparation of endothelium of the 



general cavity of Arenicola and Lum- 



brica, 842. 

 Vialleton, L., Development of the Squid, 



734. 

 Vicia Faba, Tubercular Swellings on the 



Roots of, 1005. 

 Vigelius, W. J., Morphology of Ecto- 



proctous Bryozoa, 571. 



, of Marine Bryozoa, 572. 



Vignal, W., 669, 834. 



, Hot Stage with Direct Regulator, 



464. 

 Viguier, C, Pelagic Annelids of the Gulf 



of Algiers, 398. 

 Villot, A., Anatomy of Gordiidse, 958. 

 , Development and Determination of 



free Gordii, 959. 



, Revision of the Gordiidse, 593. 



Vincenzi, L., Chemical constitutents of 



Bacteria, 681. 

 Vine, G. E., Recent Marine Polyzoa, 67. 

 Vine, " Black-rot " of, 129. 



, Fungus of the Root of, 130. 



, Galls on the Leaf of, 384. 



, Peronospora umbelliferarum on, 



789. 

 Vine-leaves, Histology of, 778. 



— , Physiological Role of, 784. 



Vines, New Disease in, 1005. 



Vines, S. H., and A. B. Rendle, Vesicular 



Vessels of the Onion, 262. 

 Vinge, A., Leaves of Ferns, 998. 

 Violacese, Origin of Rootlets and Lateral 



Roots in, 777. 

 Visibility, Limit of, 827, 1070. 

 Vision, Distinct, Means of Determining 



the Limits of, 158. 



of Insects, 379. 



Vitality, Latent, of Seeds and Rhizomes, 



115. 



of Encapsuled Organisms, 568. 



Vochting, H., Formation of Tubers, 778. 



, Zygomorpjjy of Flowers, 266. 



Vogel, A., Influence of Ozone on Germi- 

 nation, 782. 

 , H. C, Lens-stand for Entomological 



purposes, 807. 

 Vogler, — ., Tracheal GiUs of Pupae of 



Simulidte, 227. 

 Vogt, C, New Sessile Medusa, 98. 

 , Some Darwiniotic Heresies, 212. 



