INDEX. 



1119 



Tunicata. See Contents, xi. 

 Turbellarian, Sucond Species of, Living on 



Nebaliae, 428. 

 Tylenchus devastatrix, 585. 



, Natural History of, 229. 



Typha and Spargauium, Flowers and Fruit 



uf, 78. 

 Typhoid Bacillus, Supjposed Spores of, 



1016. 

 " Typhus " Bacillus, Cultivation of, in 



coloured nutrient media, 1039. 



U. 



IJhlitzsch, P. G., Growth of the Leaf-stalk, 



258. 

 Ulothrix, 465. 



and Stichococcus, 777. 



crenulata, 268. 



, Structure of, 1003. 



Ulotrichaceffi, Aerophytic Species of, 



1002. 

 Umbelliferse and Araliacese, Secreting 



Canals of, contained in the Phloem, 605. 



, Development of the Fruit of, 79. 



Underground Stems, Morphology of, 450. 

 Underbill, H. M. J.jSeetiou-cutting applied 



to Insects, 152. 

 Ungar, — , On staining Spermotozoa, 850. 

 United States, Entomophthoreas of, 1010. 



, Fresh-water Infusoria of, 498. 



, WoUe's Fresh-water Algse of, 



94. 

 Unna, P. G., The cultivation of Skin fungi, 



831. 

 Upson, H. S., Carmine staining for nerve- 

 tissue, 850. 

 Ureeolari^, Structure of, 753. 

 Urech, F., Decrease of Weight in Winter 



Pupaj of Pontia brassiose, 572. 

 , Diminution in Weight of Chrysalis, 



31. 

 Urediueffi, 97. 



and their Hosts, 1007. 



Urine, Stain for the Morphological Ele- 

 ments in, 845. 

 Urocbseta, Mucous Gland of, 422. 

 Uronema, a new genus of Chlorozoosporese, 



626. 

 Uruguaya, New Species of, 748. 

 Uskow, N., Development of Blood-vascular 



System of the Chick, 187. 

 Ustilaginege, Sexuality of, 269. 

 Ustilago, Germination of the Spores in, 



270. 



V. 



Vacuole, Nature of Contractile, 749. 



Vacuoles, Increase of Normal, by Division, 

 981. 



Vaizey, J. R., Absorption of Water and its 

 Eelation to the Constitution of the Cell- 

 wall in Mosses, 263. 



, Alternation of Geaerations iu Green 



Plants, 459. 



Vaizey, J. E., Anatomy and Develo,,raent 

 of the Sporogonium of Mosses, 460. 



Development of the Eoot of Equi- 



setura, 773. 



Transpiration of the Sporophore of 



Mosses, 91 



Vallentin, E., and J. T. Cunningham, 

 Photospheria of Nyctiphanes norvegica, 

 415. 



Valvata piscinalis. Anatomy of, 718. 



Van Gieson, J., A re'sume of recent 

 Technical Methods for the Nervous 

 System, 511. 



Varakla, L., and E. Perroncito, Composi- 

 tion of " Muffe," 633. 



Vascular System and Coelom of Mollusca 

 and Arthropoda, 395. 



Apparatus and Nervous System of 



Ophiurids, 57. 



Bundles in the Ehizome of Mono- 

 cotyledons, 74. 



System of Hirudinea, 219. 



Vassale, G., and G. Bizzozero, Staining 

 Mitoses, 674. 



Vayssiere, A., Systematic Position of Hero, 

 718. 



Ve^'etable Biology, Studies in, 996. 



Vegetative reproduction of a Moss, 91. 



Veitch, H. J., Fertilization of Cattleya 

 labiata, 994. 



Vejdovsky, P., Larval and Definite Excre- 

 tory Systems in Lunibricida3, 220. 



, Studies on Gordiidse, 583. 



Venetian Chlorophycese, 627. 



Vereker, J. G. P., Numerical Aperture, 

 819. 



, On the Choice of a Microscope, 



823. 



-, Presidential Address to the Postal 



Microscopical Society, 305. 



Vermes. See Contents, xiv. 



Vermetus, Development of, 201. 



Vermilia csespitosa, Embryology of, 578. 



Vernation of Leaves, 252. 



Verson, E., Parthenogenesis in Bombys 

 mori, 571. 



Verwom, M., Biological Studies on Pro- 

 tista, 755. 



, Fresh-water Bryozoa, 27. 



, Method of investigating Cristatella, 



147. 



Vescovi, P. de. Method of Eepresenting 

 and Calculating the Magnification of 

 Microscopic Objects in the projected 

 images, 135. 



Vesque, J., Epidermal Eeservoirs for Water 

 448. 



Vessel for the Culture of Low Organisms, 

 657. 



Vessels, Syotematic Value of the Perfora- 

 tion in the Walls of 447. 



Viallanes, H., Nerve-centres and Sensory 

 Organs of Articulata, 403. 



\'ibrio from Nasal Mucus, 99. 



Vibrios, 1017. 



