24 Gen . Sub. 
GENERAL SUBJECTS. 
Sedgwick, A. [See Oogenesis.] 
Continuity of protoplasm in adult; persistence of primitive state. 
Spengel, J. W. Schwerkraft und Zelltheilung. Biol. Centralbl. v, 
pp. 663-668. 
Historical. 
St. George, v. la Yalette. Spermatologische Beitrage. Arch. mikr. 
Anat. xxviii (1886), p. 8. 
History of “ Neben-kern.” 
Thin, G. Nucleus in Frog’s Ovum. Rep. Brit. Assoc. (1886). 
Behaviour of nucleus in segmenting ovum. 
*Variot, G. Elements figures du Sang, Anatomie et Physiologie. 
Paris: 4to, 145 pp. 
Waldeyer, W. Ueber Karyokinese. Deutsch. medicin. Wochenschrift, 
No. 1-4, Jan. 1886. 
Detailed historical review of recent researches. 
Werner, W. Ueber Theilungsvorgauge in den Riesenzellen des 
Knochenmarkes. Virchow’s Archiv. cvi, pp. 354-377, 1 pi. 
The giant cell as such, not a stage or product of a degenerative process. 
They undergo a mode of division which has nothing in common with that 
of mitosis. Confirmation of Arnold. 
'°Wielowiejski, A. Ueber denBau und die Bedeutung der thierischen 
Zelle. Tagebuch iv. Zusammenkunft Naturf. u. Aerzte Posen, p. 21. 
Will, L. [See Oogenesis.] Relation of Cell and Nucleus. 
Protoplasmic body of ovum grows centrifugally at expense of budding 
nucleus. No “ dualism ” in the cell, nor real distinction between nucleus 
and protoplasm. 
Wooduead, G. S., & Hare, A. W. Relations of Micro-organisms to 
Tissue Elements. J. Anat. Phys. xx, pp. 76-99. 
Pathological processes discussed directly in relation to cellular biology. 
Zacharias, 0. Ueber einen Fall von Kernverschmelzung bei Furchungs- 
kugeln. Zool. Anz. ix, pp. 400-403. 
Fusion of first two segments of dividing ovum of Limnceus ; in deficient 
water, nuclei even approached one another. 
. [See Reprod.] 
Nucleus in male and female cells. 
Zelinka,C. Studien fiber Raderthiere. Z.wiss. Zool. xlvi,pp. 396-507, 4 pis. 
Inter alia — mature ovarian and yolk -gland form a syncytium. 
3 . Oogenesis . 
Guldberg, G. A. Beitrag zur Kenntniss der Eierstockeier bei Echidna. 
SB. Jen. Ges. (1885), pp. 113-122, 1 pi. 
Resemblance to Sauropsidan ova. 
