( 1009 ) 



INDEX. 



The Index includes the names of the Authors of all Papers, Sec, printed in 

 the " Transactions," or noted in the " Summary " or Bibliography, as well 

 as those of the Designers of any Instruments or Apparatus described 

 under the head of " Microscopy." 



Abbe, E., Note on the Proper Defini- 

 tion of the Amplifying Power of a 

 Leas or Lens-System, 348. 



, On the Moile of Vision with Ob- 

 jectives of Wide Ajjerture, 20. 



, 291, 622, 804. 



Analysing Eye-piece, 462. 



Camera Lucida, 119. 



Condenser, Reichert's Modified, 



437. 



Micro-spectroscope, 957. 



Abrua prsecatorius, Seeds of, 764. 



Absorption and Disengagement of 

 Nitrogen by Fungi, 783. 



of Food by Leaves of Drosera, 83. 



of Light and Assimilation, Quan- 

 titative relation between, 590. 



of Shell in Auriculidse, 730. 



of Water by Capitulum of Com- 



positse, 591. 



by Eoots, Influence of 



External Pressure on, 85. 



, Influences of Transpi- 

 ration on, 85. 



Acanthocystiij, Rotifer within, 238. 



Acantliometra hemicompressa, 579. 



Acarina, Anatomy of, 559. 



Accessories, Instruments, &c. See 

 Contents, xxvi. 



Account, Treasurer's, for 1883, 330. 



Acephalous MoUusca, Morphology of, 

 550. 



Achcson, G., 154. 



Acids in Cell-tap, 777. 



, Organic, in Plants, Function of, 



90. 



, Vegetable, and their eflfeot in pro- 

 ducing turgidity, 410. 



Actiniffi of Bay of Naples, 577. 



Actinomyces, 926. 



Actinosphairium eichhornii. Nuclear 

 Division in, 580, 761. 



Adams, J. M., 481, 992. 



Adiipters, Nose-piece, 284, 285, 300, 

 :^02, 445, 464, 631, 801, 809, 959. 



Scr. 2.— Vol. IV. 



Address, The President's, 173. 

 Adductor Muscles of Lamellibranchs, 



Absolute Force of, 212. 

 Ady, J. E., 154, 304. 

 ^eidium bellidis DC, Life-historv of, 



595. ^ 



Aerial Organisms, Minute, Quantitative 



Analysis of, 6^)6. 

 Vegetative Organs of OrchideoB in 



relation to their Habitat and Climate, 



83. 

 Aeroscope, Kidder's, 658. 

 Afghanistan Algae, 936. 

 Agardh, J. G., 605. 

 Agariciui, Lamellie of, 418. 

 Agassiz, A., 240, 863. 

 Ahlborn, F., 542, 543. 

 Ahrens, C. D., On a New Form of 



Polarizing Prism, 533. 



Erecting Microscope, 278. 



Albert, F., 227. 



Albertotti's (G.) Micrometer Micro- 

 scope, 144, 793. 

 Albumin, Constitution of, 251. 

 Alcoliol, Absolute, Cheap Method of 



Making, 984. 



, Preparing, 322. 



Alcoholic Ferments, 99. 



. Physiology and Morphology 



of, 98. "^ 



Alcyonaria, Mesenterial Filaments of. 



390. 



, Preparing, 636, 



Alcyonaiians, Gorgonids, and Penna- 



tulids, of the Norwegian Seas, New, 



2.39. 

 Aldehydic Nature of Protoplasm, 249. 

 'Alert,' Zoology of Voyage of, 718. 

 AIga3. See Contents, xxiv. 

 Alkaloids and other Substances ex- 

 tracted from Fungi, 94. 

 Allen, T. F., 263. 

 Allium ursinum. Influence of Light on 



Structure; of Leaves of, 775. 

 Alsineae (Caryophyllete), Origin of 



Placentas in, 58.3. 

 Alveoli of Diatoms, 436. 



3 X 



