372 



PROTOPLASM 



on reticular structures in proto- 

 plasm, 169, 170 ; views upon limit- 

 ing surface of protoplasm, 234 

 on limiting membrane of vacuoles 

 229 ; on hyaline protoplasm, 263 

 on radiate appearances in proto- 

 plasm, 251, 260 



Fuligo varians ^Ethalium septicum, 

 111-116 



GAMMARUS PULEX, epithelium of gill 

 lamella, 131-133 



Ganglion cells, structure of, 145-148, 

 256 ; Arnold's observations on, 

 160 ; Frommann's observations 

 on, 159 ; Schwalbe's observations 

 on, 166 



Gas bubbles appearing in oil-foams, 19 



Gelatine, nature of, 216-219 



Gland cells (goblet cells), structure of, 

 175; in stomach of Hydatina, 134 



Globulites, 249 



Glycerine, for clearing up foam-drops, 

 10, 22 ; dilute solution of, for 

 causing movements in foam-drops, 

 48 



Goblet cells, structure of, 175 



Granular appearances in oil-foams, 20, 

 27-30 ; contents in endoplasm of 

 Amosbce, 111 ; theory of proto- 

 plasm, 191-201 



Granules, their position in protoplasm 

 and foams, 244-246 ; and hyaline 

 protoplasm, 266 ; their influence 

 on protoplasmic movement, 323- 

 325 ; false network between, 209- 

 211 ; movements of, in cell sap of 

 plants, 291 ; independent move- 

 ments of, 319-323 ; in Trades- 

 cantia and Surirella, 320 ; sliding 

 movements of, in Desmids (Nageli), 

 321 ; Velten's views, 322 ; ex- 

 planation of, 322, 323 ; in proto- 

 plasm of Acineta, 87 ; (pigment) 

 in cells of Aulastomum, 143 ; in 

 axis-cylinder, 151 ; in endoplasm 

 of Ciliata, 89, 90 ; of Flagellata, 

 91 ; in ganglion cells, 146 ; in 

 ' cells of Hydatina, 134 ; in liver 

 cells, 141 ; in epithelial cell of 

 Lumbricus, 135 ; in protoplasm 

 of Miliola, 95 ; in filamentous 

 pseudopodia, 99 ; absent in 

 pseudopodia of Gromia, their 

 sudden appearance, 103 - 106 

 absent in the oil - foams, 26 

 Altmann's views upon, 195-200 

 Martin's views, 192, 193 ; Pfitz- 

 ner's views, 193, 194 ; Vejdow- 

 sky's views, 194, 195 



Gravity, its influence upon streaming 

 movements of foam-drops, 54 



Gfromia Dujardini, structure of, 101- 

 106 ; hyaline pseudopodia of, 262, 

 264 



H^BMATOXYLIN for staining, 90, 91, 

 124 footnote; for staining blood 

 corpuscles of frog, 128 



Hanstein, rnicrosomes, 192 ; on the 

 nature of protoplasm, 222, 223 



Heat, influence of, on the movements 

 of foam-drops, 53, 54 ; producing 

 unequal surface tension and ex- 

 tension-currents, 72 



Heidenhain, observations on epithelial 

 cells, 161 



Heitzmann, alveoli round nucleus 

 figured by, 243 ; observations on 

 protoplasmic structure, 162-164 ; 

 on the contractile framework of 

 protoplasm, 268 ; on hyaline pro- 

 toplasm, 263 ; views upon limiting 

 surface of protoplasm, 235 ; on 

 nerve structure, 156 ; on vacuoles, 

 228, 229 



Heliozoa, structure of, 93, 94 



Henle on structure of epithelial cells, 

 161 



Hertwig on epithelial cells of Gam- 

 marus, 132 ; on radiate appear- 

 ances in protoplasm, 258 



Hofmeister on the currents in plas- 

 modia, etc., and on contractility, 

 271 ; on the nature of protoplasm, 

 221, 222 ; on protoplasmic move- 

 ment and " imbibition," 271, 272 ; 

 on surface tension in protoplasm, 

 289 



Homogeneous border, apparent, in oil- 

 foams, 37 



protoplasm in 6rm?w'a,103-106; in re- 

 lation to the foam theory, 262-266 



Hooks of Distomum hepaticum, 138, 

 139 



Hiippe on resemblance of Bacteria to 

 nuclei, 122 footnote 



Hyaline cuticular layer in plant cells 



(Quincke), 306 



protoplasm, 262 - 266 ; of Amcebce, 

 107, 109 ; in plasmodia of jEtha- 

 lium, 113, 115 

 pseudopodia of Gromia, 103-106 



Hyaloplasm of Hanstein, 223 ; of 

 Ley dig, 172 ; in relation to move- 

 ment, Leydig's views on, 280-287 ; 

 in relation to the foam theory, 

 262-266 



Hydatina senta, ciliated and other cells, 

 from, 133, 134 ; ova of, 124, 125 



