179 



Embryologia. 



14311 Whitney, David Day. 13.6 : 51.8 Hydatina 



1907. Determination of Sex in Hydatina senta. Journ. exper. Zool. Yol. 



5 p. 1 — 26, 3 figg. [Température and starving have no influence.] 



12 Montgomery, Tkos. H. jr. 13.6 : 54.4 Latrodectus 



1908. The Sex Ratio and Cocooning Habit of an Aranead and the Ge- 

 nesis of Sex Ratio. Journ. exper. Zool. Yol. 5 p. 429—452, 2 figg. 



13 Yerson, E. 13.6 : 57.87 Bombyx 



1906. Ancora sul progamismo del sesso nelle uova del Filugello. Ann. 

 R. Staz. Bacol. Padoya Yol. 33 p. 19—25. 



14 Bugnion, E. 13.6 : 57.92 Encyrtus 



1906. La polyembryonie et le déterminisme sexuel. Soc. entom. 

 Jahrg. 21 p. 1—3, 9-11. - Bull. Soc. vaud. Se. nat. (5) Yol. 42 p. 95 

 —112. 



15 King, Helen Dean. 13.6 : 78 Bufo 



1907. Food as a Factor in the Determination of Sex in Amphibians. 

 Biol. Bull. Yol. 13 p. 40—56, 2 figg. [Quantity or quality of Food is of 

 no influence on sex-determination. (Laryae of Bufo).] 



16 Heape, Walter. 13.6 : 88.1 Serinus 



1907. Note on the Influence of Extraneous Forces upon the Proportion 

 of the Sexes Produced by Canaries. Proc. Cambridge phil. Soc. Yol. 14 

 p. 201-205. 



17 Russo, Achille. 13.6 : 9.32 Lepus 



1907. Modifîcazioni sperimentali dell' elemento epiteliale dell' ovaia dei 

 Mammiferi (da servire corne base per la determinazione artificiale del 

 sesso femminile e per la interpretazione délia legge di Mendel sulla pre- 

 valenza degli ibridi.) Mem. Accad. Lincei (5) Yol. 6 p. 313—384, 5 tav., 

 1 fig. [Sunto vide B. Z. Vol. 15 No. 10589.] 

 14318 Russo, Achille. 13.6 : 9.32 Lepus 



1907. Metodi adoperati per aumentare artificialmente la produzione del 

 sesso femminile nei Conigli e per fissare nella prima generazione degli 

 incroci le varietà recenti. Rend. Accad. Lincei Yol. 16 Sem. 1 p. 362 

 -368. 



19 Heape, Walter. 13.6 : 9.74 Canis 



1907. Notes on the Proportion of the Sexes in Dogs. Proc. Cambridge 

 phil. Soc. Vol. 14 p. 121—151. 



20 Sajô, Karl. 13.8 



1908. Inzucht und Kreuzzucht. Prometheus Jahrg. 19 p. 65—69, 81 — 86, 



3 Agg. 



21 . . . 13.8 : 9.74 Canis 



1906. Ein Beitrag zur Wirkung des Geschlechtsverkehrs zwischen Bluts- 

 verwandten. Kosmos Stuttgart Bd. 3 p. 379—380. [Schwinden des Ge- 

 schlechtstriebs infolge Inzucht (Hund).] 



22 Loeb, Jacques. 13.9 



1906. Versuche über den chemischen Charakter des Befruchtungsvorgangs. 

 Biochem. Zeitschr. Bd. 1 p. 183—206. [Beschleunigung der Oxydations- 

 prozessse im Ei und Leitung dieser Prozesse in richtige Bahnen durch 

 hypertonisches Seewasser.] 



23 Child, C. M. 13.9 



1907. Some Corrections and Criticisms. Arch. Entw.-Mech. Bd. 24 p. 

 131 — 146. [Concerning developmental physiology.] 



24 Belage, Yves. 13.9 



1907. Les revendications de M. Loeb dans la question de la parthéno- 

 genèse expérimentale. C. R. Acad. Se. Paris T. 145 p. 1118—1121. 



14325 Loeb, Jacques. 13.9 

 1907. Sur la parthénogenèse artificielle. C. R. Acad. Se. Paris T. 145 

 p. 943—946. [Réponse aux critiques de Delage.] 



15. L 1909. 



