No. 3, April, 1921] GENETICS 245 



1685. Anonymous. [German rev. of: Ernst, A. Uber Parthenogenesis und Apogamie. 

 (On parthenogenesis and apogamy.) Verhandl. Schweiz. Naturf. Ges. 1919: 1-20. 1919. 

 Idem. Uber den Ursprung der apogamen Angiospermen. (On the origin of apogamous angio- 

 sperms.) Vierteljahrsschr. Naturf orsch. Ges. Zurich 1917: 33&-348. 1917.] Zeitschr. Pflan- 

 zenziicht. 7: 323. Nov., 1920. 



1686. Anonymous. [German rev. of : Feenstra-Sluiter, C. Waarnemingen en Beschou- 

 wingen over Bloei Bevruchtung en Zaadvorming bij Cinchona Ledgeriana Moens. (Observa- 

 tions and considerations of flowering, fertilization and seed formation in Cinchona Ledgeriana 

 Moens.) Mededeel. Kina-Proefsta. 6. 35 p., ^0 ^^. 1919. (See Bot. Absts. 4, Entry 986.)] 

 Zeitschr. Pflanzenziicht. 7: 323-324. Nov., 1920. 



1687. Anonymous. [German rev. of: Freeman; G. F. Linked quantitative characters 

 in wheat crosses. Amer. Nat. 51 : 683-689. 1917.] Zeitschr. Pflanzenzucht. 7: 324. Nov., 

 1920. 



1688. Anonymous. [German rev. of: Freeman, G. F. Producing bread making wheats 

 for v/arm climates. Jour. Heredity 9: 211-226. May- June, 1918. (See Bot. Absts. 1, Entry 

 221.)] Zeitschr. Pflanzenziicht. 7:324. Nov., 1920. 



1689. Anonymous. [German rev. of: Hagedoorn-La Brand, A. C., and A. L. Hage- 

 DOORN. Parthenogenesis in higher plants. Teysmannia 27: 643-656. 1 pi. 1917. (See Bot. 

 Absts. 1, Entry 1793.)] Zeitschr. Pflanzenzucht. 7:325. Nov., 1920. 



1690. Anonymous. [German rev. of: Hayes, H. K. Natural crossing in wheat. Jour. 

 Heredity 9: 326-330, 334. Fig. 14-15. Nov., 1918. (See Bot. Absts. 1, Entry 1503.)] 

 Zeitschr. Pflanzenzucht. 7: 325-326. Nov., 1920. 



1691. Anonymous. [German rev. of: Heribert-Nilsson, N. Zuwachsgeschwindigkeit 

 der Pollenschlauche und gestorte Mendelzahlen bei Oenothera Lamarckiana. (Decline in 

 pollen-tube growth and deranged Mendelian ratios in Oenothera Lamarckiana.) Plereditas 

 1:41-67. 1 fig. 1920. (See Bot. Absts. 6, Entry 1689.)] Zeitschr. Pflanzenzucht. 7:327. 

 Nov., 1920. 



1692. Anonymous. [German rev. of: Heusser, C. Over de selektie van Hevea Brasilien- 

 sis Miill. (On selection in Hevea brasiliensis.) Arch. Rubbercult. Nederlandsch-Indie 3: 

 1919.] Zeitschr. Pflanzenzucht. 7:326. Nov., 1920. 



1693. Anonymous. [German rev. of: Honing, J. A. A sterile dwarf form of Deli 

 tobacco originated as a hybrid. Bull. Deli Proof sta. Medan 10: 24. 4 V^- 1917.] Zeitschr. 

 Pflanzenziicht. 7:326. Nov., 1920. 



1694. Anonymous. [German rev. of : Johnson, James. An improved strain of Wisconsin 

 tobacco. Jour. Heredity 10:281-288. Fig. 8-10. June, 1919. (See Bot. Absts. 7, Entry 

 1776.)] Zeitschr. Pflanzenzucht. 7:327. Nov., 1920. 



1695. Anonymous. [German rev. of: Jones, D. F. Selection in self-fertilized lines as 

 the basis for corn improvement. Jour. Amer. Soc. Agron. 12:77-100. 1920. (See Bot. 

 Absts. 5, Entry 1543.)] Zeitschr. Pflanzenzucht. 7: 328. Nov., 1920. 



1696. Anonymous. [German rev. of: Kempton, J. H. Heritable characters of maize. 

 III. Brachytic culms. Jour. Heredity 11: 111-115. 4 fig. Mar., 1920. (See Bot. Absts. 7, 

 Entry 1787.)] Zeitschr. Pflanzenzucht. 7:328. Nov., 1920. 



1697. Anonymous. [German rev. of: Koch, L. De beteekenis van de bastaardselectie 

 bij padi en how deze wordt uitgevoerd. (The significance of hybrid selection in rice and how 

 it is conducted.) Teysmannia 1916:502-519. 1916.] Zeitschr. Pflanzenzucht. 7:329, 

 Nov., 1920. 



