58 Gen. Sub. 
I. GENERAL SUBJECTS. 
6. Oogenesis, Spermatogenesis. Maturation, Fertilisation. 
a. Ovum . 
Structure of Echinoid ovum ; Albrecht (10).—Causes and consequences 
of nutritive reserves in ova; Loisel (477).—Ova of Echinoderms, etc.; 
their cytoplasmic structure; Wilson, E. B. (840). 
Ovarian ovum; Flemming (239).—Formation of primordial ova in 
senile ovaries; Amann (14).—Ovarian ovum of hedgehog; Carlier (109). 
—Neoformation in adult ovary ; Falcone (217). 
Oogenesis in Distaplia ; Bancroft (38).—The whelk’s egg; Beard 
( 48).—History of germinal vesicle in Urodela; Carnoy & Lebrun (110). 
Oogenesis in Molgula ; Crampton (139).—Oogenesis in Tkalassema and 
Zirphcea ; Griffin (289).—Oogenesis in Myriothela and Tubularia ; LabbIc 
(421 & 422). 
Origin of corpus luteum; Belloy (55).—Corpus luteum arises from 
modification of the theca interna and is therefore a connective-tissue 
structure; Doering (178).—Formation of the corpus luteum; Sobotta 
( 729, 731).—Corpus luteum in rabbit; van Beneden (776).—Division in 
primordial ova in an adult; Stoeckel (745). 
Vital staining of Echinoderm eggs during their development; Fischel 
( 232).—Action of salt-solutions on the unfertilised eggs of Arbacia and of 
other animals; Morgan (552). — Secondary attraction-centre in the 
Ctenophore ovum and its influence on the peculiar cleavage; Rhumbler 
( 655).—Albino eggs of Amblystoma punctatum ; Britcher (87).—Degener¬ 
ation of Graafian follicles; Bouin (82).—Multinucleate ova, and follicles 
with several ova; Rabl, Hs. (636).—Presence of an astrosphere in the 
growing oocyte; Van der Stricht (780). — The attractive sphere in 
degenerating oocytes; Van der Stricht (779).—Behaviour of nucleoli in 
oogenesis of some molluscs and arachnoids; Obst (583).—Ovum in ovo; 
Herrick (339).—Double eggs in fowl; Immermann (371). 
b. Spermatozoon. 
Comparison of spermatozoa in newt and frog; Ciaccio (122).—Follicular 
cells in testis of Hydrophilus ; De Bruyne (159).—Division of spermato¬ 
cytes in Mammals; von Ebner (194).—Development of testis; Foulis 
( 245).—Disposition of spermatozoa in bundles in the testes, its cause; 
Grobben (291).—Spermatogenesis in Helix pomatia-, von Korff (410).— 
In Amphiuma ; McGregor (487). — In guinea-pig; Meves (534). — In 
Helix lutescens ; Nusbaum (576).—In Anasa tristis ; Paulmier (597).- 
Import of nutritive cells of the testes; Peter (606).—Spermatogenesis in 
rat; Regaud (646).—In insects; Rousseau (672).—In man, two modes of 
division, karyokinetic and direct, the latter seeming to effect chromatin 
reduction; Sappin-Trouffy (683). — Histology of testes in leeches; 
Schuberg (698).—The giant cell in the testicular follicles of insects; 
Verson (792).—Spermatogenesis in sparrow during winter; Loisel (475, 
476). 
c. Maturation. 
Cytoplasmic as contrasted with nuclear maturation of ova; Delage 
( 165).—Summary; Fick (231).—Critical review on chromatin-reduction; 
Guignard (297).—Critical summary on maturation-phenomena; Haecker 
( 301).—Import of maturation; Le Dantec (439).—Reducing divisions; 
Strasburger (746). 
In Aplysia depilans; Bochenek (66). — In Amphibians,—Urodela; 
Carnoy & Lebrun (110).—In Cerebratulus ; Coe (130).—In Amphibians; 
