914 



INDEX. 



Amyloids, Digestion of, in Cephalo- 

 poda, 30. 

 Andrese, J., 48. 

 Andres, A., 57. 



Method of treating Actiniae, 



881. 



Angiosperms, Embryo-sac of, Free-cell 



formation in, 214. 

 Anguillula stercoralis, Development of, 



191. 

 Anilin Dves and Vegetable Tissues, 



281. 



-green and Carmine, Double 



Staining with, 576. 



Animalcula, Minute, Continuous Ob- 

 servations of, 731. 



Ankvlostoma duodenale, Anatomy of, 

 781 



Annelid, Coral Eeef, 621. 



, Synthetic, 778. 



Annelids and Vertebrates, Spermato- 

 genesis in, 316. 



, Aphroditacean, Elytra of, 779. 



, Development of, 618. 



, of Central Nervous System 



of, 619. 



, Origin of the Central Nervous 



System of, 44. 



, Swim-bladder-like Organs in, 44. 



Annuli and Lines, Black, of Spherules 

 and Threads, 696. 



Anon., 288, 728, 834. 



Anthers, Preparing, 122. 



Anthony, J., 129. 



On the Threads of Spiders' Webs, 



170. 



Anthozoan Fauna of Naples, Prodrome 

 of, 57. 



Anthrax, Duration of Immunity from, 

 239. 



, Infection by Symptomatic, 236. 



Vaccination, Experiments on Pas- 

 teur's Method of, 238. 



Antipodal Cells, Functions of, 64. 



Ants, Occident, 333. 



Aperture and Power in the Micro- 

 scope, Eelarion of, 300, 460. 



, Large and Small, Eelative Value 



of Objectives with, 157. 



, Numerical, 151. 



, Objectives of small and large, 



853. 



of Objectives, 149. 



, Diaphragms for Limiting, 



407. 



• , Iris-Diaphragm for varying, 



262, 



"Aphaneri," 250. 



Aphis, Willow- tree, Colouring Matter" 

 from, 39. 



Apical Cell and the youngest Seg- 

 ments, Energy of Growth of, 67. 



Apical Cell Growth in Phanerogams, 



523. 

 Growth of the Eoots of Phane- 

 rogams, 650. 

 Apocynacese, Fertilization of, 215. 

 Apostolides, N., 199, 789. 

 Apothecia of Lichens, Structure and 



Development of, 388. 

 Appearance of the Primary Vessels in 



Aerial Organs, Order of, 812. 

 Aquaria, Aeration of, 131, 286. 

 Aquatic Animals, Saline Constituents 



of the Blood of, Influence of the Ex- 

 ternal Medium on, 763. 

 Plants, Aerial Cultivation of, 



530. 

 Arachnida. See Contents. 

 Arcangeli, G., 544. 

 Areolations of Isthmia nervosa, 129. 

 Aril of Bavenala, 216. 

 Arloing, 236. 



Aitemia salina, Germs of, 43. 

 Arthropoda. See Contents. 

 Artificial and Natural Objects, Defini- 

 tion of, 420. 

 Ascidian Ova, Test-cells in, 491. 

 Ascidians, 'Challenger,' 182. 

 , Organization and Development 



of, 180. 

 Ascomycetes, Epiplasm of, 824. 



, Eehm's, 378. 



Asplenium bulbiferum, Adventitious 



Buds on the Lamina of the Frond of, 



226. 

 Assimilating Tissue, 368. 

 Assimilation, Determination of the 



Activity of, by the Bubbles given off 



under Water, 223. 



, First Products of, 526. 



, History of, and of the Functions 



of Chlorophyll, 525. 

 , Theoretical View of the Process 



of, 525. 

 Asterias, 56. 



, Genital Passages of, 348. 



glacialis, Variation in, 513. 



Asterina gibbosa, Development of, 628. 



Asteroidea, Spines of, 57. 



Asteroides, Development of Calcareous 



Skeleton of, 514. 

 Atlas of the Diatomacese, Schmidt's, 



249. 

 Atmospheric Bacteria, 88. 

 Atwood, M., 735. 

 Aty oida Potimirim, Adaptation of Limbs 



in, 42. 

 Aubemage, a Disease of the Vine, 



827. 

 Avicularia in Bryozoa, Modifications of, 



183. 

 Axis-cylinder, Preparing Sections of, 



703. 



