378 



PROTOPLASM 



Spreading of fluids on solid bodies,' 

 293-296 



Staining, methods of, 124 footnote, 



Stalk muscle of Zoothamnium, 90 



Strassburger, alveolar layer in zoospores, 

 238 ; on limiting surface of proto- 

 plasm, 235 ; on the nature of 

 protoplasm, 224 ; observations on 

 radiate appearances in embryo sac 

 of Phanerogams, 253 ; protoplasm 

 of vegetable cells, 167 ; on reticu- 

 lar structure of protoplasm, 171 ; 

 on radiate appearances in proto- 

 plasm, 258 



Streaming movements causing fibrous 

 appearances in drops of oil-foam, 

 44 ; circulatory, produced in oil- 

 drops, 74 ; during conversion of 

 oil-paste into foam, 9, 10, 14, 19 ; 

 in foam-drops, 47-52 ; explana- 

 tion of, 74-80 ; continuance of, 

 52, 53 ; increased by warming, 

 79 ; influence of temperature 

 ' upon, 53, 54 ; influence of gravity, 

 54 ; of light, ih. ; in cells, 80, 81 ; 

 in foam-drops, under action of 

 electric current, 55-60 ; in endo- 

 plasm of Ciliata, 306, 307, 324, 325 ; 

 in Pelomyxa and A'mcEi(e, 308, 

 317-319 ; in plant cells, 122-124, 

 327-330 ; in soap-bubbles, 319 



Striated border of oil-foams, 32 ; round 

 vacuoles in oil-foams, 36 

 protoplasm in Ammla adinqphora, 

 110 ; in central capsule of Thalas- 

 sicolla, 93 ; in ciliated cells of 

 Hydatina, 133 ; of ova, 251-253 ; 

 of epithelial cells, 254, 255 ; in 

 cells from gill lamellss of Oam- 

 marus, 131 ; of epithelial cells of 

 Lumiricus, 135 ; in epithelial 

 cells, observations of Friedrich, 

 160 ; of Bberth, Marchi, Leydig, 

 Henle, Pfluger, and Heidenhain, 161 



Strongylocentrotus, ova of, 182 



Structure of Bacteria and Qyanophycece, 

 117-122 ; of blood corpuscles of 

 frog, 127-131 ; of ganglion cells, 

 145-148 ; of nerve fibres, 148-156; 

 of hyaline pseudopodia in Gromia, 

 103-106 ; of muscle fibrils, 325- 

 327 ; of oil-foams, 22-38 ; of plant 

 cell (Quincke), 306 ; of proto- 

 plasm due to coagulation, 201-219 ; 

 of thread-like pseudopodia, 98- 

 101 



" Straggle for existence " in currents of 

 plant cells (Berthold), 292 



Suns of nuclear spindle, 246-251 ; in 

 egg of Sphcerechinus, 126 



Superficial extension -currents, 61-80 



(see Extension-Currents) 

 Surface of protoplasm, 234-236 



tension, experiments on, 61-80 ; and 



granular movement, 322, 323 ; and 



protoplasmic movement, theories 



of, 289-307 

 Surirdla, granules in protoplasm, 92 ; 



movements of granules in, 320 



Tempeeature, influence of, upon 

 streaming movements in foam- 

 drops, 53, 54 



Tension causing fibrous structures in 

 foam, 45, 46 ; in protoplasm, 

 255 



Tentacles of Tokophrya, 88 



Thcdassicolla, structure of, 92, 93 



Theories as to radiate appearances in 

 the protoplasm, 257-262; of proto- 

 plasmic movement, 267 et seq. 



Theory of the alveolar nature of proto- 

 plasm, 219 et seq. 



Tokophrya, tentacles, 88 



Tonoplast theory, 230-233 



Trachelomonas, granules in endoplasm, 

 91 



Tradeseantia, protoplasm of, 122 et 

 seq.; movements of granules in 

 cells of, 320 



Trinchese, observations on reticular 

 structures in i>rotoplasm, 166, 167 



Triton, blood corpuscles of, 129 



Tubules in nerves, 146-148 



Vrocentbvm, trichocyst layer, 241 

 Urtica, protdplasm of, 122 et seq. 

 Utricle, protoplasmic, in plant cells 

 (Quincke), 306- " 



VAonoLE of Ammba terricola, radiate 

 appearances round, 246, 247 



Vacuoles in oil - foams, 22 ; striated 

 border round, 36 ; in protoplasm, 

 227-233 ; in ganglion cells, 147 



Van Eeneden, alveolar layer in cells of 

 Asoaris observed by, 238 ; ob- 

 servations on sexual elements of 

 Asca/ris, 173, 252 ; on limiting 

 membrane of vacuoles, 228 ; on 

 radiate appearances in protoplasm, 

 260 



Vaucheria, alveolar layer in zoospores 

 of, 238 



Vegetable cells, protoplasm of, see 

 Plant Cells 



Vejdowsky on structure of protoplasm, 

 194, 195 ; observations on eggi of 

 Rhynchdmis, ^ 248 footnote, 253 

 footnote 



