1010 



Vauclieria, Tubes of, Parasitism of 

 Notomiuata Werneckii in, 530. 



Vegetable Cells, Tannin in, 595. 



Kingdom, new Classification of, 



90. 



IMatter, Structure of, Method of 



Studying, 465. 



■ Tissues, Staining Fluids for, 942. 



, Morphology of, 801. 



Vegetation, Influence of Electricity on, 

 912. 



Venomous Caterpillars, 411. 



Vermes. See Contents, xii. 



Vertebrata, Embryology and Histology 

 of. See Contents, vii. 



Vertical lUnniinator, 194. 



and Homogeneous-Immer- 

 sion Objectives, 266. 



Vespa maculata, Habits and Intelli- 

 gence of, 559. 



Vessels, Functions of, 596. 



, Malpighian, of Insects, 60 



Relationship of Intercellular 

 to, 912. 



Vine, Anthracnose of, 758. 



Fungi, 920. 



Parasites, two new, 601. 



Visceral Arterioles in Mollusca, Ter- 

 mination of, 164. 



Vision, Fraunhofer's Ojitical Law of, 

 delusive Application of, &c., 9. 



, Microscopic, Further Inquiry into 



the Limits of, &c., 9. 



Visual Organs in Arachnida, Degene- 

 ration of, 146. 



Vital Phenomena, Cells and their, 137. 



Vitality of the Spermatozoa of the 

 Trout, 844. 



Vitricole Lichens and the Schwen- 

 derian hypothesis, 929. 



Voluta musica, Animal of, 706. 



Volvocinea3, Systematic Position of, 

 609. 



Volvox dioicus. Germination of the 

 Spores of, 95. 



globator. Method of Cultivating, 



939. 



VorticellaB and Acinetae, 438. 



W. 



Walls, Black Mildew of, 459. 



Ward's Improved Microtome, 957. 



Micro-spectroscope, 106. 



Warmth, Light, and Moisture, Influ- 

 ence of, on the Opening and Closing of 

 the Anthers of Bulbocodium vernum, 

 915. 



Warm Water, Eggs put to incubate in, 

 Evolution of Embryo in, 696. 



Water, Absorption of, by the Lamina of 



Leaves, 750. 

 and Marsh Plants, Respiration 



of, 915. 

 , Berlin, Crenothrix polyspora, the 



cause of the Unwholesomeness of, 



925. 

 , Branches dipped in, Decrease of 



Power of Absorption in, 913. 

 , Effects of, on Floating Leaves, and 



of Submersion on Aerial Leaves, 750. 

 , Surface of. Floating Algse form- 

 ing Scum on, 310. 

 Water-pores, 913. 

 Waters, A. W., on the Occurrence of 



recent Heteropora, 390. 

 Weber Slide. 55. 

 Wenham, Mr., Note on his Paper " On 



the Measurement of the Angle of 



Aperture of Objectives," 270. 

 Wenham, F. H. Reply to Professor 



Keith's Note, 271. 

 , Note on Angle of Aperture of 



Objectives, 983. 

 , Note on Homogen* ous-Immer- 



sion Object-glasses, 394, 489. 

 Wet Collodion, Employment of, for 



Microscopic Sections, 460. 

 White Sea, Algje of, 173. 

 Wiiie-angled Object-glasses, Improving 



Splierical Correction in, 812. 



Objectives, "Penetration" of, 322. 



Woodward, J. J., Note on Abbe's Ex- 

 periment on Pleurosigma angulatum, 



675. 

 , Observations suggested by the 



Study of Amphipleura pellucida, 



mounted in Canada Balsam, by 



Lamplight and Sunlight, with 



various Objectives, 663. 

 , on tlie Oil-Immersion Objectives 



and theApertometer, 140. 

 Woodward's Apertometer, 781. 



Oblique Illuminator, 769. 



Worm, Filarian, Pneumonia produced 



by, 425. 

 Worms and Pulmonates, Segmentation 

 in, 877. 



, Jensen's Turbellarian, of Norway, 



573. 



Zeiss's j\ Objective, 958. 



Travelling Microscope, 955. 



Zoantharia malacodermata of the 

 Coasts of Marseilles, 892. 



Zoospores, Action of Light and Heat 

 on, 307. 



Zostera marina. True Mode of Fecun- 

 dation of, 908. 



LONDON: I'KIKTED BT WILLIAM CLOWES AND SONS, STAMFOKI) STREET AND CUAKING CEOSS. 



