No. 4, January, 1921] GENETICS 243 



1661. Edler, W. Die Verzweigung der Ackerbohne. [Branching of field beans.] Fiih- 



linga Landwirtsch. Xeit. 101Q: 111 160. 1919. An ai unt is given of a ten years' ma 



selection experiment on varieties of Vicia faba. Branched and unbranched plants started 

 groups within each variety. Within each group the choosing of branched and unbranched 

 plants, respectively, was repeated. Branched plants in mosl seasons are more common in 

 ictions toward branching than in those toward single-stemmed condition, but increase 

 in tendency toward branching 1ms not been obtained after ten years' work. Outside condi- 

 tions affecl branching very markedly. [From anonymous review in Zeitselir. Pflanzenzucht. 

 7: 210. June. 1920.]— J. P. Kelly. 



L662. Ehingbr, K. Ein neuer tertiarer Deilephila-Hybride. [A new tertiary Deilephila 

 hybrid.] Entomol. Kundschau 37: 2-4, 7-8. 1020. 



L663. Blunder, Tage. [German rev. of: Cushi.\<;, II. Hereditary anchylosis of the 

 proximal phalangeal joints (symphalangism). Genetics 1:90-106. 11 fig. Jan., 1916.1 

 Zeitschr. indukt. Abstamm. Vererb. 24: 104. Aug., 1920. 



1664. Ellinger, Tage. [German rev. of: Schmidt, J. Investigations of hops (Humulus 

 lupulus). XI. Can different clones be characterized by the number of marginal teeth in the 

 leaves? Compt. Rend. Lab. Carlsberg 14: 1-23. 8 fig. 1918. (See Bot. Absts. 3, Entry 

 2192.)] Zeitschr. indukt, Abstamm. Vererb. 24:101. Aug., 1920. 



1665. Fawcett, W. Cebras e hibridos como animales domesticados. (Zebras and their 

 hybrids as domestic animals.) La Hacienda 13:242-245. 9 fig. 191S.— Popular review of 

 experiments in which zebras have been crossed with horses or asses, with special regard to the 

 possible usefulness of the hybrids as farm animals. — Sewall Wright. 



1066. Firket, Jean. Recherches sur l'organogenese des glandes sexuelles chez les 

 oiseaux. [Researches on the organogenesis of the sexual glands in birds. 1 Arch. Biol. 30: 

 ' 516. 6 pi., 5 fig. 1920. 



1667. Fischer, H. Pflanzenmetamorphose und Abstammungslehre. [Plant metamor- 

 morphosis and evolution.] Die Naturwissenschaften 8: 268-271. 1920. 



166S. Frolich, G. Die Umzuchtung von Wintergetreide in Sommergetreide. [The breed- 

 ing of winter cereals into spring cereals.] Friedrichswerther Monatsber. 9: 27-30. 1919. — 

 In an experiment begun in 1906 to change by breeding the Friedrichswerther Squarehead 

 barley into a summer sort, no shortening of period of time from sowing of seeds to shooting 

 was obtained up to 1918. When considering influence of spring planting one must keep in 

 mind the effects of selection of those plants that send up stalks earliest. Author noted that 

 spring-sown barley gave a lessened crop, much stooling (Bestockung), and an absence of stalks 

 in some plants. [From anonymous review in Zeitschr. Pflanzenzucht. 7: US. Dec. 1919.] — 

 ./. P. Kelly. 



1669. Frolich, G. Die Beeinflussung der Kornschwere durch Auslese bei der Ziichtung 

 der Ackerbohne. [The influencing of seed weight by selection in the breeding of field beans.] 

 Friedrichswerther Monatsber. 9:7-8, 17-20. 1919. — Author experimented to test report 

 that in Thuringen, due to local external conditions, seed weight of field bean decreased. Indi- 

 vidual seed weight proved strongly modifiable, considering weights for separate years; but a 

 general decrease due to place conditions was not found. An increase in weight by selection 

 within limits of a particular individual was in general without success. In some cases ten- 

 dency was noted for branches to occur with higher separate seed weight, which author referred 

 to occasional cross-pollination. [From anonymous review in Zeitschr. Pflanzenzucht. 7: 117. 

 Dec, 1919.]— J. P. Kelly. 



