OVUM AND SPERMATOZOON. 
Gen . Sub. 67 
b. Ovum, oogenesis :—(See also a): 
Chromosomes and nucleoli, germinal vesicle, Loyez (522). 
Germinal vesicle and polar bodies, Anoura , Lebrun (470), Batrachia , 
id. (471).—Germinal vesicle, Teleosteans , Stephan (767). 
Pseudochromosomes, Ares, D’Hollander (199). 
Movements of Chromatine during growth of ovocyte, Helix, Ancel (15). 
Oogenesis: mammalia, Winiwarter (892); Annelida and Cephalopoda, 
Bergmann (66) ; Insecta, Giardina (288) ; Oogenesis, Thysanozoon, part 2, 
SCHOCKAERT (721). 
Pseudochromosomes, egg of Bat, Van der Stricht (823). 
Oogenesis and fertilisation, Distomum, Henneguy (340). 
Follicles, Amphibian ovary, King (427). 
Corpus luteum, recent work, Sobotta (753). 
Degeneration of egg-follicles, Buhler (117).—Degenerating follicles, 
fishes, Buhler (116). 
c. Spermatozoon, Spermatogenesis :—(See also a): 
Recent work, Meves (561). 
Vital phenomena of spermatozoon, Dewitz (198). 
Individuality of chromosomes, etc., Sutton (786).—Accessory chromo¬ 
some, McClung (554). 
Spermatozoa of mammals and man, Retzius (678). 
Spiral fibre in head of Selachians, Retzius (679). 
Spermatozoa of Allobophora foetida, Foot & Strobell (245). 
Dimorphic spermatozoa, Beard (51); Mammals, Ballowitz (36).— 
Variations of spermatozoa, Broman (107, 108).—Aberrant forms, Stephan 
(766), Regaud (668); Atypical spermatozoa, Broman (108); Giant form, 
Cirrhipedia, Gruvel (313).—Oligopyrene, apyrene, eupyrene, spermatozoa, 
Paludina, Pygcera , Meves (563). 
Spermatogenesis, Lerat(491), Niessing( 599) ; in Mammals, Schoenfeld 
(722) ; in Phalangista, v. Korff (448) ; in Sparrow, Loisel (520) ; Am¬ 
phibia, Kingsbury (430); Triton, Janssens (398, 399); in Orthoptera, 
Sinety (749); in Locustidce, M c Clung (555); in Gryllus, accessory chromo¬ 
some, Baumgartner (50); in Cybister, Voinow (839); Silpha, N. Holm¬ 
gren (371) ; in Notonecta, acrosome, Nebenkern in Spermatid, movements 
of nuclein, Pantel & Sinety (614-616); in Anurida, L^caillon (473); 
in Crab, Prowazek (653) ; in Oniscus, chromatin, Nichols (598). 
Mitochondria (Nebenkern); exchanges of nuclein; calottes, corpuscules, 
chromatophiles, Pantel & Sinety (616). 
Chromatin reduction, Myriapoda , Bouin (87).—Spindle, etc., Lee (482). 
—Tetrad-groups, Prowazek (654). 
Seminal cells and glandular epithelium, Loisel (518), Joseph (411). 
Interstitial elements of testis, Stephan (770). 
d. Maturation :—(See also a) : 
Le Dantec (477), Lerat (491); Bryce, Echinus (111); in Metazoa, 
Lubosch (524); in Batrachian, Lebrun (469). 
Maturation mitoses and heredity, Wilson (890). 
Maturation and prolongation of life of egg, Loeb (512). 
Maturation, nuclear substance, Lubosch (525). 
In parthenogenetic eggs, Artemia , Petrunkewitsch (638). 
Cytoplasm and nucleus, egg of Cytherea , Dumez (218). 
King, first polar spindle, Bufo (429). 
e. Fertilisation :—(See also a): 
Boveri (92), Delage (182), Dungern (219), O. Hertwig (355), Hick¬ 
son (360), Sokolowsky (755), Strasburger (782). 
1902. [Vol. xxxix.] b 9 
