PROTOPLASM AND THE CELL. Gen. Sub. 4*7 
Intercellular bridges; Barfurtii (35). — The question of the real exist- 
ence of intercellular bridges in smooth muscle; Garnier (257). — Inter- 
cellular bridges in notochord tissuo; StudniOka, F. K. (G91). 
Discussion of the cell-boundaries, envelopes, membranes, walls, etc., and 
of the terms which should be applied to these ; Van Bambeke (26). 
Mode of formation of cell-membranes ; Querton (586). — Hammar’s 
ectoplasmic layer; Andrews (7). — Structure and origin of the so-called 
cell-cuticle ; Studni£ka (693). 
Minute structure of liver-cell ; Schlater (651). 
Double-cells ; de Bruyne (156). 
Cell-physiology ; — 
German translation of work on the chemistry of the living cell ; 
Gautier (263). — Relation of nuclei and cytoplasm; Conklin (129). — 
Relations of cell and nucleus; Prenant (580). — “Vital induction” or 
reciprocal action between cells; Prenant (582). — Reactions of cells to 
external stimuli; Davenport (149). — Spinning activities of protoplasm in 
eggs; Andrews (9).— Activity of amoeboid cells in Echinoderms ; Th^el 
( 703). — Import of active soluble cell-products in metabolism ; Buchner 
( 93). — Development of Protein crystalloids in nuclei of wandering cells of 
Echinoids ; List (445). — The nucleins and paranucleins of the animal 
coll; Miliioy (506). — The death of the cell; Israel (367). — Vitality of 
isolated cells ; Busse (99). 
Formation of plasmodia in Echinus', ThIsel (703). 
c. Nucleus , Nucleolus, Centro some. 
Nuclear structure, summary ; von Erlanger (193). — Structure of caryo- 
plasm; Carnoy & Lebrun (104). — Reticular structure of caryoplasm; 
Bolles Lee (65). 
Inanition of the nucleus; Loukianow (454). 
Number of chromosomes in man; Flemming (229). 
Sickle-shaped nuclei in resting epithelial cells; Ballowitz (24). — 
Structure of nuclei in spinning glands of caterpillars; Koiischelt 
(412), Meves (496). — Intranuclear crystalloids in sympathetic nerve-cells 
of Mammals; Prenant (581). 
Influence of bichromates on nuclear substance ; Burchardt (97). — 
Does the staining of the nucleus depend on a chemical process? Mayer 
( 486). — Nuclear elimination in the life of unicellular organisms, cf. ova; 
CuIsnot (137). 
Structure, origin, and changes of nucleoli; Carnoy & Lebrun (104 & 
105). — Nature of nucleoli, Michel (501). 
Centrosomes : — 
The centrosome question; Heidenhain (327). — Centrosomes; God- 
lewski (282). — The alleged universal occurrence of Centralkorper by 
no means proved ; Farmer (204). — The centrosome problem and an experi- 
mental test; Whitman (767). — Origin of the cleavage centrosomes; Foot 
( 232). — Origin of egg centrosomes ; Mead (488). — Origin, role, and struc- 
ture of the central corpuscle; von Erlanger (194-196). — Microcentra in 
multinucleate giant cells ; Heidenhain (327). — Microcentra in embryonic 
cells of bird ; Heidenhain & Cohn (329).— Central corpuscles in male 
sex-cells of butterflies; Meves (495). — Centrosomes in maturation of 
Diaulnla sandiegensis ; MacFarland (467). — “ Siderophilous corpuscles” 
in spermatogenctic cells of Helix have been misinterpreted as centrosomes ; 
Bolles Lee (65). — Centrosomes and Archoplasm of the nucleated ery- 
throcytes surviving as free and independent elements of the blood in 
Balrachoseps ; Eisen (180). — Giant ‘spheres’ in resting epithelial cells; 
Ballowitz (24). — Centrosome in non-fertilised mammalian ova; Ron- 
