PROTOPLASM AND THE CELL. 
Gen. Sub. 57 
Schenck (692).—The mechanism of cilia and flagella; Peter (606).— 
General osmotic properties of the cell; Overton (589).—Functions of 
cytoplasm and nucleus; the cytoplasm is a protective, food-procuring, 
food-preparing mantle for the more active chemical groups which are 
chiefly nuclear; Mann (496).—Vitality of cells after death of the organism 
or after excision,—in higher animals; Orth (588).—Chemistry of the 
living cell; Botazzi (81).—Movements of nucleus and protoplasm after 
wounding; Xestler (568). — Protoplasmic contractility and phosphor¬ 
escence ; Watase (815).—Studies on the absorption of cells; Metchnikoff 
(532).—Changes in cells of newt’s stomach during digestion; Carlier 
(107 & 108).—Experiments on detached pseudopodia; Penard (601 & 602). 
—Doctrine of cellular “ specificite ”; Bard (39).-— Amoeboid movements of 
blastomeres of trout ovum; His (352).— Arsenico-nucleins in the cells of 
the normal thyroid of mammals; Gautier (270). 
c. Nucleus, Nucleolus, Centrosome. 
Nuclear relations in Protozoa compared with those in Metazoa; 
Calkins (101 & 102).—Phylogenetic significance of Protozoan nuclei; 
Calkins (101 & 102).—Evolution of nucleus; Sand (682).—Position and 
function of the cell-nucleus; Gerassimoff (273).—Paranuclear corpuscles 
or parasomes in secreting cells; Laguesse (424).—Nucleolar structures of 
the cell; Montgomery (542). — Nature of nucleoli and centrosomes; 
Rohde (666).—Minute structure of nucleoli of central nerve cells; Ruzicka 
(677 & 678).— Behaviour of nucleolus in karyokinesis; Czermak (149). 
— The multinucleate state; Eismond (206). — Multinucleate cells of flat 
epithelium; Toxkoff (770).—Structure of nucleus in myelocytes of 
Gasteropods and Annelids; Chatin (120). — Criticism of the theory of 
the persistent individuality of chromosomes; Delage (165).—Structure 
of chromosomes; Eismond ( 206 a). —Intra-vitam staining of chromatin 
and achromatin ; Przesmycki ( 628 a). 
The centrosome question; Studnicka (750). — Centrosomes; Stras- 
burger (746).—Centrosome, role of; Le Dantec (435). — “Attractive 
spheres” and “Nebenkern” in pulmonate Gasteropods; Bolles Lee (67). 
—Microcentrum; Heidenhain (321).—Centrosomes in unfertilised ovum 
of trout; His (352).—Microcentrum of smooth muscle cells; Lenhossek 
(443). — Importance of the centrosome exaggerated; Morgan (552).— 
Centrosome in nerve cells in the course of rabic infection; Nelis (567).— 
Centrosome in ciliated cells; Peter (605).—Centrosomes (?) in stinging 
cells; Prenant (620).—Centrosomes; Studnicka (756). 
Morphology of the nucleolus—a comparative study; Montgomery (542a). 
d. Cell-Division. 
Summary on Cell-division; Meves (534a),—P hysiological import of 
amitosis; C. De Bruyne (160). — In trout ova; His (352). — Nuclear 
division of Noctiluca\ Ishikawa (372).—Direct division in differentiated 
tissues; Karpov (386).—Study of living karyokinetic figures; Sobotta 
(730).—Sketch of the evolution of nuclear division in organisms; Sand 
(682).—Cleavage without centrosomes, experiments suggestive of this; 
Morgan (552).—Physiological import of direct division; Pfeffer (610).— 
Studies on cell-division ; Rawitz (642).—Peculiar cleavage of Ctenophore- 
ovum; the secondary attraction-centre and its influence; Rhumbler 
(655).—Relation between amitosis and mitosis ; Rudnew (676).—Cell- 
division ; Eismond (205). — Disintegration and re-integration of the 
nucleolus in karyokinesis; Czermak (149). 
1899. [Vol. xxxvl] B 8 
