No. 1, August, 1920] GENETICS 37 



269. Anonymous. [German rev. of: Frt/wirth, C. Die gegenwartige Organisation der 

 Pflanzenziichtung in Deutschland und in Osterreich-Ungarn. (The present organization of 

 plant breeding in Germany and Austria.) Nachricht. Deutsch. Landw. Ges. Osterreich. 1919: 

 35-39. 1919.] Zeitschr. Pflanzenziicht. 7: 118. Dec, 1919. 



270. Anonymous. [German rev. of: Fruwirth, C, Dr. Tn. Roemeb, Dr. E. vox 

 Tschbrmak. Handbuch der landwirtschaftlichon Pflanzenziichtung. 4. Die Ziichtung der 

 vier Hauptgetreidearten und der Zuckerriibe. (Handbook of agricultural plant breeding. 4. 

 Breeding of the four chief cereals and the sugar beet). 8vo. } xv+504 p., b& fig. Paul Parey: 

 Berlin, 1918.] Zeitschr. Pflanzenziicht, 7: 145. Dec, 1919. 



271. Anonymous. [German rev. of: Gassner, S. Beitrage zur physiologischen Charak- 

 teristik sommer- und winteranueller Gewachse, insbesondere der Getreidepflanzen. (Contri- 

 bution to the physiological characteristics of summer and winter annuals with special reference 

 to the cereals.) Zeitschr. Bot. 10: 417-480. 7 pi., 2 fig. 1918.] Zeitschr. Pflanzenziicht. 7: 

 118-120. Dec, 1919. 



272. Anonymous. [German rev. of: Hansen, W. Einiges iiber Riibenzucht. (Some- 

 thing about beet-breeding.) Landw. Zeitung 1919.] Zeitschr. Pflanzenziicht. 7: 120. Dec, 

 1919. 



273. Anonymous. [German rev. of: Jones, D. F. Natural cross -pollination in the 

 tomato. Science 43 : 509-510. 1916.] Zeitschr. Pflanzenziicht. 7: 120. Dec, 1919. 



274. Anonymous. [German rev. of: Jones, D. F. Linkage in Lycopersicum. Amer. 

 Nat. 51 : 608-621. 1917.] Zeitschr. Pflanzenziicht, 7: 120-121. Dec, 1919. 



275. Anonymous. [German rev. of: Jones, D. F. Dominance of linked factors as a 

 means of accounting for heterosis. Genetics 2: 466-479. 1 fig. 1917. See Bot. Absts. 1, En- 

 try 1245.] Zeitschr. Pflanzenziicht. 7: 121. Dec, 1919. 



276. Anonymous. [German rev. of: Jones, D. F. The effect of inbreeding and cross- 

 breeding upon development. Connecticut Agric Exp. Sta. Bull. 207. 100 p., 12 pi. New 

 Haven, 1918. (See Bot. Absts. 2, Entry 34; 3, Entry 988.)] Zeitschr. Pflanzenziicht. 7: 122. 

 Dec, 1919. 



277. Anonymous. [German rev. of : Jones, Donald F. Bearing of heterosis upon double 

 fertilization. Bot, Gaz. 65:324-333. April, 1918. (See Bot. Absts. 1, Entry 228.)] Zeitschr. 

 Pflanzenziicht. 7: 121-122. Dec, 1919. 



278. Anonymous. [German rev. of: Kajanus, Birger. Genetische Papaver-Notizen. 

 (Genetical notes on Papaver.) Bot. Notiser 1919: 99-102. 1919. (See Bot. Absts. 3, Entry 

 2145.)] Zeitschr. Pflanzenziicht. 7: 123. Dec, 1919. 



279. Anonymous. [Gorman rev. of: Kajanus, B. Genetische Studien iiber die Bliiten 

 von Papaver somniferum L. (Genetical studies on the flowers of Papaver somniferum L.) 

 Arkiv Bot. K. Svensk. Vetenskapsakad. 15: 1-87. 3 pi. 1919. (See Bot. Absts. 3, Entry 

 2147.)] Zeitschr. Pflanzenziicht. 7: 123-125. Dec, 1919. 



280. Anonymous. [German rev. of: Kajanus, Birger. Uber eine konstant gelbbunte 

 Pisum-Rasse. (On a constantly yellow-variegated variety of Pisum.) Bot, Notiser 1918: 

 83-84. 1918. (See Bot, Absts. 3, Entry 2146.)] Zeitschr. Pflanzenziicht. 7: 125. Dec, 1919. 



281. Anonymous. [German rev. of: Kajanus, B., and S. O. Berc;. Pisum -Kreuz- 

 ungen. (Pea-crosses.) Arkiv Bot. K. Svensk. Vetenskapsakad. 15:1-18. 1919. (See Bot. 

 Absts. 3, Entry 2148.)] Zeitschr. Pflanzenziicht. 7: 125-126. Dec, 1919. 



