244 GENETICS [BoT. Absts., Vol. VII, 



1673. Anonymous. Inheritance of continuous and discontinuous variations. Jour. 

 Heredity 10: 191. April, 1919. — An article pointing out the conclusions of Dr. F. B. Summer 

 in his paper entitled "Continuous variations and their inheritance in Peromyscus. III." 

 Amer. Nat. 52: 439-454. Aug.-Sept., 1918 (See Bot. Absts. 1, Entry, 943), which do not sup- 

 port the views of Bateson and de Vries. Summer's case is parallel to that of Castle's 

 hooded rats. — ■/. H. Beaumont. 



1674. Anonymous. Some present aspects of immigration. Jour. Heredity 10: 68-70. 

 Feb., 1919. — 'Fourth report of the committee on immigration of the American Genetic Asso- 

 ciation. The committee finds that the new law, effective May 1, 1917, if properly enforced 

 can become of immense benefit to our future race. The percentage of exclusions due to 

 mental and physical disease has risen due to increased fines, imposed on transportation com- 

 panies, and to better examination. The committee is of the opinion that a considerable 

 restriction or temporary suspension of alien immigration would have highly desirable eugenic 

 results. — J. H. Beaumont. 



1675. Anonymous. [German rev. of: Akerman, A. Speltlike bud-sports in common 

 wheat. Hereditas 1: 11&-127. 6 fig. 1920. (See Bot. Absts. 6, Entry 1565.)] Zeitschr. 

 Pflanzenziicht. 7:320. Nov., 1920. 



1676. Anonymous. [German rev. of: Allard, H. A. The Mendelian behavior of aurea 

 character in a cross between two varieties of Nicotiana rustica. Amer. Nat. 53 : 234-238. 

 May- June, 1919. (See Bot. Absts. 3, Entry 217.)] Zeitschr. Pflanzenzucht. 7:320. Nov., 

 1920. 



1677. Anonymous. [German rev. of: Anthony, Stephen, and Harry V. Harlan. 

 Germination of barley pollen. Jour. Agric. Res. 18: 525-536. 2 pi., 2 fig. Feb. 16, 1920. 

 (See Bot. Absts. 4, Entry 2802; 5, Entries 949, 1449.)] Zeitschr. Pflanzenzucht. 7: 320. Nov., 

 1920. 



1678. Anonymous. [German rev. of: Blakeslee, Albert F., and B. T. Avery, Jr. 

 Mutations in the jimson weed. Jour. Heredity 10: 111-120. Fig. 5-15. Mar., 1919. 

 (See Bot. Absts. 3, Entry 980.)] Zeitschr. Pflanzenzucht. 7: 321. Nov., 1920. 



1679. Anonymous. [German rev. of: Broili. Solanum edinense Berthault, ein fiir die 

 Landwirtschaft wertvoUer Kartoffelbastard. (Solanum edinense Berthault, a potato hybrid 

 valuable for agriculture.) Deutsch. Landw. Presse 1920:359-361. 1920.] Zeitschr, Pflan- 

 zenzucht. 7: 321. Nov., 1920. 



1680. Anonymous. [German rev. of: Collins, G. N., and J. H. Kempton. Heritable 

 characters of maize. I. Lineate leaves. Jour. Heredity 11:3-6. Jan., 1920. (See Bot. 

 Absts. 7, Entry 1737.)] Zeitschr. Pflanzenzucht. 7: 321. Nov., 1920. 



1681. Anonymous. [German rev. of: Collins, J. L. Chimeras in corn hybrids. Jour. 

 Heredity 10:2-10. 7 fig. Jan., 1919 (See Bot. Absts. 2, Entry 930; 3, Entry 2104.)] 

 Zeitschr. Pflanzenzucht. 7:321-322. Nov., 1920. 



1682. Anonymous. [German rev. of: Dorse y, M. J. A note on the dropping of flowers 

 in the potato. Jour. Heredity 10: 226-228. Fig. 19. May, 1919.] Zeitschr. Pflanzenzucht. 

 7:322. Nov., 1920. 



1683. Anonymous. [German rev. of: East, Edward M., and Donald F. Jones. In- 

 breeding and outbreeding. H x 21 cm., 285 p., 46 fig. J. B. Lippincott: Philadelphia, 1919. 

 (See Bot. Absts. 4, Entries 571, 2290, 3460; 5, Entries 1695, 1607.)] Zeitschr. Pflanzenzucht. 

 7:341-342. Nov.. 1920. 



1684. Anonymous. [German rev. of: Emerson, R. A. Heritable characters of maize. 

 II. Pistillate-flowered maize plants. Jour. Heredity 11:65-76. 8 fig. Feb., 1920. (See 

 Bot. Absts. 7, Entry 1745.)] Zeitschr. Pflanzenziicht. 7: 322. Nov., 1920. 



