( 1077 ) 



INDEX. 



Abbe, E., On Improvements of the Micro- 

 scope with the aid of New Kinds of 

 Optical Glass, 20. 



Abbott, C. A., 501. 



Aberration, Spherical, Determination of 

 the Colour for whicli, to be corrected. 492. 



Abrus precatorius, Proteids of the Seeds 

 of, 773. 



Absorption of Anllin Colours by Living 

 Cells, 1057. 



of Anilin Pigments by Living Vege- 

 table Cells, 512. 



of Carbonic Anhydride by Leaves, 



434. 



of Colouring Matters by Plants, 172. 



• of the Tadpole's Tail, 211. 



of Water by Terrestrial Organs, 436. 



in the fluid state by Leaves, 



119. 



Absorption-bands, 617. 



Acanthococcus, 131. 



Acari, Treatment of, 1045. 



Acephala, Preparing the Central Nervous 

 System of, 840. 



Acephalous Mollusca, Central Nervous 

 System of, 736. 



Aceras anthropophora. Colouring Matter 

 of, 256. 



Acetous Fermentation, 132. 



Achlys triphylla. Fertilization of, 269. 



Achromatic Condensers, Value of, 647. 



Acid, Carbonic, Assumed Decomposition 

 of, by Chlorophyll, 118. 



, , Decomposition of, by Chloro- 

 phyll outside the plant, 118. 



Chloral hydrate Carmine, 848. 



, Glyoxylic, Presence of, in Plants, 



257. 



Acidity of the Cell-sap, 606. 



Aconitum Lycoctonum, Fertilization of, 

 269. 



Acqua, C, Passage of Fibrovascular Bun- 

 dles from the Branch to the Leaf, 775. 



Actinise, Preparing Epithelia of, 1047. 



Actinomyces from the Jaw of an Ox, 699. 



Actinosphaerium, Artificial Development 

 in, 768. 



Actinozoa, New, 249. 



Adametz, L., Bacteria in the Soil, 454. 

 1887. 



Adaptation of Plants to rain and dew, 

 995. 



Adelosina, 254. 



Adjustment, Fine, Hilger's Tangent-screw, 

 461. 



Adolph, E., Wings of Diptera, 227. 



Adoral Ciliated Organ of Infusoria, 99. 



Adventitious Roots, 610. 



Aerial Roots of Sonneratia, 111. 



.lEschynanthus and Stylidium, Crystalloids 

 in, 774. 



Affinities of Arachnida, 77. 



Africa, Central, Muscinese of, 122. 



Agardh, J. G., Siphoneje, 998. 



Agaricus melleus, Parasitism of, 790. 



Agarum Turneri, Anatomy and Develop- 

 ment of, 441. 



Age, Relative, and Relationship of Noc- 

 tuse and Geometrse, 75. 



Alirens' (C. D.) Microscope, 1068. 



Polarizing Prism, 152. 



Triocular Microscope, 799. 



Air, Distribution of Micro-organisms in, 

 137, 453, 631. 



, New Micro-organisms obtained from, 



631. 



, Permeability of Cell-walls to, 981. 



Air-breathing Molluscs, Terrestrial, of the 

 United States, 376. 



bubbles. How Alcohol drives out, 343. 



Albumen, Active, Separation of Silver by, 

 255. 



in Plants, Formation of, 994. 



in the Cell-wall, 981. 



Albumen-vessels in the Cruciferse and 

 allied orders, 427. 



Albuminoids in Plants, Formation of, 425. 



Alcohol drives out Air-bubbles, How, 343. 



, Preparation of Plants in, 675. 



Alcoholic Fermentation, 995. 



of Dextrin and Starch, 437. 



on living Trees, 285. 



Alcyonaria and Holothurioida, Fossil Cal- 

 careous Elements of, 215. 



Alcyonella fungosa. Development of, 741 . 



Alcyonida, North Sea, 599. 



Alder and Elaeaguacese, Swelling on the 

 Roots of, 611. 



Aldrovanda, Seeds of, 114. 



Alessandri, P. E., 1040. 



Aleurone-grains, Calcium oxalate in, 983. 

 4 B 



