INDEX 



373 



Imbibition theories to explain proto- 

 plasmic movement, 271-278 



Imitation of karyokinetic spindle, 250 

 footnote 



Increase in volume during formation of 

 foam in oil, 19 



Independent movements of granules, 

 319-323 



Induction shocks causing bursting of 

 alveoli in oil-foams, 26 ; influence 

 of, upon foam-drops, 60, 61 



Infusoria, see Oiliata 



Ink, apparent network between gran- 

 ules of, 209-211 



" Inotagmas " of Bngelmanu, 274 



Interference streaks in cells of Chara, 

 329, 330 



Interfilar mass of Flemming, 178 



Internal displacements in protoplasm, 

 323-325 



Intestinal epithelium of Branchidbdella, 

 137 



Intracapsular protoplasm of Thalassi- 

 colla, 92 



Investigation of protoplasm, 86 



Iodine-alcohol for fixation, 90, 91 



Iron-hsematoxylin, use of, 12i footnote 



Ischiadic nerve of frog, 148 et seq. 



Joseph, views upon structure of axis- 

 cylinder, 154, 155 



Kabtokinesis, 246-251 



Karyokinetic spindle, imitation of, 250 

 footnote 



Klein on radiate appearances in proto- 

 plasm, 259 ; on reticular structures 

 in protoplasm, 168 



Kdlliker's views on protoplasm, 202 



Kratschmar on reticular structure of 

 Mthalium, 171 



Kraus, theory of protoplasmic move- 

 ment, '27 i footnote 



Kiibne on the fluid nature of proto- 

 plasm, 220 



Kiinstler, spherular theory of proto- 

 plasm, 184-191 ; on vacuolar 

 membranes, 231 footnote; radiate 

 layer of alveoli figured by, 243 



KupfFer, alveoli round nucleus observed 

 by, 243 ; follicle cells of Ascidia 

 canina, 162 ; observations on egg 

 of Ascidia, 237 ; observations on 

 the structure , of the cells of the 

 salivary gland of Periplaneta and 

 on liver cells, 165, 166 



Lamell^i of fluid, experiments on 



tension in, 323, 324 

 Lamp for microscope, 86 



Lehmann on the physical constitution 

 of jellies, 218 footnote; explana- 

 tion of movements in oil -drops, 

 66, 67 



Lepocinclis, granules in endoplasm, 91 



Lepus cunieidus, see Eabbit 



Leucocytes, structure of (Sohafer), 282 



Leydig, alveolar layer observed by, 

 239 ; clear space round nucleus 

 figured by, 243 ; on blood cor- 

 puscles of Triton, 129 ; on epi- 

 thelial cells of Gammarus, 132 ; on 

 hyaline protoplasm, 263 ; on the 

 hyaloplasm in relation to move- 

 ment, 172, 280-287; onlimitingsur- 

 face of protoplasm, 234 ; on the 

 limitation of vacuoles, 228, 229 ; 

 on radiate appearances in proto- 

 plasm, 260 ; views on reticular 

 structures in protoplasm, 172 ; 

 on structure of axis-cylinder, 156 ; 

 on structure of capillaries of 

 Salamander, 144 ; on structure 

 of epithelial cells, 161 



Light, its influence upon streaming 

 movements of foam-drops, 54 



Linseed oil, for producing oil-foams, 

 11 



Zithohius, alveolar layer in testicular 

 cells of, 239 



Litmus solution, experiment with, for 

 proving electrolysis in foam-drops, 

 56 



Liver cells, Kupffer's observations on, 

 166 ; of frog and rabbit, 140-142 



Lumbricus terrestris, epithelial cells 

 from, 134-136 ; fibrous structure 

 of connective tissue cells, 256 ; 

 ganglion cells of, 145 et seq, 



Macbo- NUCLEUS of Acineta, 87, 88 ; 

 of Pa/ranicedum caudatmn, 90, 91 



' Malva, protoplasm of, 122 et seq. 



Marchi on structure of ciliated cells of 

 Anodonta, 161 



Mark on radiate appearances in proto- 

 plasm, 259 



Martin, theory of protoplasmic struc 

 ture, 192, 193 



Matrix of protoplasm, Altmann's views 

 on, 196, 199 



Membrane of cell, 240-243 ; of vacuoles, 

 228-230 



Mensbrugghe, explanation of increased 

 movement in oil-drops whenheated, 

 79, 80 ; on the tension of thin 

 fluid lamellae, 264 ; theory as to 

 the cause of the movement in 

 oil-drops, 65, 67 



Meshwork shown by microscopic foam. 



