62 Oen. Sub. 
I. GENERAL SUBJECTS. 
Oogenesis and spermatogenesis, Sagitta , Stevens (717). 
Oogenesis and spermatogenesis in the hermaphrodite gland, Helix , 
Ancel (9). 
Oogenesis, maturation and fertilisation, Distomum, Henneguy (316). 
Maturation, fertilisation, Rhynchelmis, Vejdovsky & Mrazek (757). — 
Cymbulia ( Mollusca), Nekrassoff (534). — Fresh -water Dendrocoels , 
Mattiesen (488). — Maturation, fertilisation, cleavage, Vertebrates, 
It. Hertwig (323). 
Fertilisation and hybridisation, de Vries (186). 
Reduction divisions, Farmer & Moore (231). 
Follicular cells, genital glands, Gasteropoda, De Bruyne (94). 
Ova in testis of Salamandra , Feistmantel (235). 
b. Ovum, oogenesis : — (See also a) : 
Oogenesis, Mammalia, the sexual cells, Skrobansky (697). 
Ovaries, oocytes, Amphioxus , Neidert & Leiber (533). 
Development of ovary and egg, Polyxenus, L^caillon (424, 425). 
Egg-cell, Pseudochromosomes, etc., Crustacea , Gastropoda , Henschen 
(317). 
Eggs and oogenesis, Insecta , Gross (291). 
Ovarian ova and follicles, fishes, Wallace (774). — Corpus luteum, 
Cohn (143). — Eggs and corpus luteum, Clupea , Loewe (457). — Graafian 
follicle, corpus luteum, Sandes (655). 
Conjugation of $ pronucleus and second polar body, Stylops , peculiar 
oogenesis, Brues (91). 
Corpus Balbiani, Skrobansky (696a). 
c. Spermatozoon, Spermatogenesis : — (See also a) : 
Sexual cytotaxis, sexual caryotaxis, sexual chromotaxis, Hacker (298). 
Polar bodies in spermatocyte formation of Hymenoptera , Meves (503, 
504). 
Paraevolutive processes in spermatogenesis, Stephan (712). 
Spermatocytes used as nutritive matter, Bouin (70). 
Spermatocytes, Lemur , Branca (84). 
Nucleus and mitosis, spermatogenesis, Batrachians , Nussbaum (550). 
Maturation, Batrachoseps and Pletodon , Janssens & Dumez (363). 
Spermatogenesis, Selacians, Centrosome, Acrosome, “manchon c^phali- 
que,” Stephan (708). 
Spermatogenesis, Cephalopoda , Thesing (736). 
Spermatogenesis, Coelenterata and Porifera , Gorich (280, 281). — Sper- 
matogenesis Ccelenterata , origin of testes, Hydra , Aders (3). — Spermato- 
genesis, Hydra , Guenthlr (295). 
Sperm centrosome, Allobophora , Foot & Strobell (245). 
Central corpuscles, spermatogenesis, Chimcera , Stephan (709). 
Spermatogenesis in Decapoda , Koltzoff (397), LabbIs (411). — Spermato- 
genesis, parasitic Crustacean, Steuer (714). 
Spermatogenesis, Insects, Verson (759). — In Cybister , Voinov (764). 
Spermatogenesis, Myriapods, Bouin & Bouin (73). — Chromatin in 
spermatocytes of Bcolopendra , Blackman (56). 
Giant spermatozoon, Balanus, Gruvel (293). 
Spermatogenesis and role of dimorphic spermatozoa, VoiNoy (765). 
Spermatogenesis and two forms of spermatozoa, Scolopendra, Bouin (69). 
Oligopyrene and apyrene spermatogenesis, Mollusca , Stephan (710). — 
Apyrene spermatogenesis, Mur ex, Stephan (711). 
Spermatozoon of Discoglossus , Ballowitz (28). 
d. Maturation : — (See also a) : 
Maturation, Anguis , first spindle, Loyez (469). 
