INDEX. 



1143 



Leaves of AroickiB, Anatomy of, 474. 



of Crueifers, First Vessels iu, 823. 



of Sagittaria, 474. 



of Water-lilies, Structure of, 823. 



, Palm-, Development of, 04. 



, Protection of, against the Me- 

 chanical Action of Rain and Hail, 



95. 

 , Relation between the Bloom on, 



and the Distribution of the Stomata, 



647. 

 , Relative Resisting-power of the 



Upper and Under Surfaces of, 95. 



Respiration of, in the Dark, 282. 



, Roots acting as, 473. 



, Box-, Wax of, 2G9. 



Lebiedzinski, P., Liquid Lenses, 321. 

 Leboucq, H., Fixing Serial Sections on 



the Slide, 1G9. 

 Lecithin in Plants, 1007. 

 Lee, A. B., Cedar-wood Oil for Paraffin 



Imbedding, 163. 



, Schaliibaum's Collodion, 706. 



, Structure of the Nucleus, 404. 



Leeches, Natural Injection of, 540. 



of Japan, 609. 



Lees, W., 527. 

 Leeuwenhoek Medal. 148. 

 Leeuwenhoek's Microscopes, 1047. 

 Leggett, F. W., Silicate of Soda as 



a Mounting Medium, 365. 

 Legumiuosse, Tubercles on the Roots of, 



271. 

 Lehmann, O., 1067. 

 , V., Behaviour of Guanin.Xanthin, 



and Hypoxanthin in the Fermenta- 

 tion of Yeast, 654. 

 Leidy, J., Worms in Ice, 246. 

 Leidy's ' Fresh-water Rhizopods of 



North America,' Critical Observa- 

 tions on, and Classification of the 



Rhizopods in general, 85. 

 Leitgeb, H., Budding of Apogamous 



Prothallia of Ferns, 107. 

 Lejeunia, Sporangium of, Abnormal 



Development of, 482. 

 Lemoine, V., Alimentary Tract of 



Phylloxera, 238. 

 , Nervous System of Phylloxera, 



65. 

 Lendtnfeld, R. v., Alga forming a 



Pseudomorph of a Siliceous Sponge, 



811. 

 , Australian Fresh-water Rhizo- 



poda, 815. 

 , Hoinocoela and the Homo- 



dermidae, 82. 



, Sponges, 458. 



, Gigantic Sponge, 810. 



, Histological Structure of the 



Dorsal Papilla} of Onchidium, 775. 

 , Mimicry in Sponges, 811. 



Lendenfcld, R. v,. Nervous and Mus- 

 cular Systems of Horny Sponges,457. 



. Sponge destructive of Oysters, 



458. 



, with remarkable colouring 



power, 811. 



. Vestibule of Dendrilla cavernosa, 



810. 



Lengerken, A. V., Organs of attachment 

 of Ampelopsis, 96. 



Lenhosse'k, M. v., Apparatus for facili- 

 tating the preparation of Serial 

 Sections, 893. 



, Preparing Spinal Ganglia, 535. 



, of the Frog, 1072. 



" Lens," 868. 



Lens- and Slide-holder, Hippisley's 

 (J.), 129. 



, Measuring the Focal Length of, 



689. 



Lenses, Cylinders which act as, and 

 give an Optical Image, 1062. 



, Liquid, 321. 



, the best only, 33S. . 



Leone, T., Micro-organisms in Potable 

 Water, 174. 



Lepidoptera, Development of Male 

 Generative Organs in, 968. 



, Morphology of Mouth-organs of, 



427. 



, Origin of Endoderm in, 61. 



Le'pinay, Mace de, 181. 



, Optical method for the absolute 



measurement of small lengths, 690. 



Lesina, Turbellaria of, 619. 



Lessonia ovata, 290. 



Lett, H. W., 548, 731. 



Levallois, A., Desiccation of Plants in 

 Aqueous Solutions, 285. 



Levi, J. K., 868. 



Lewaschew, S. W., Modification of 

 Pancreatic Cells during active secre- 

 tion, 535. 



Lewis, W. J., 527. 



Leydig, F., Blue Colour of Animals, 

 220. 



, Cells of the Epidermis of Batra- 



chian Larvae, 214. 



, Dermal Sensory Organs of Ar- 



thropoda, 962. 



Leydig's Cells and Goblet-cells, 405. 



Lichens. See Contents, xxix. 



Lieberkiihn Stops, 681. 



Life, Duration of, in Spiders, 66. 



, Tenacity of, in Micrococci, 666. 



Life-slide, Logan's, 519. 



Light, Absorption of, by the Assimilat- 

 ing Organs, 651. 



, Influence of, in the Formative 



Processes in Plants, 476. 



, , on the Growth of Yeast, 



493. 



