No. 3, December, 1920] GENETICS 155 



1083. G[atenby], J. B. [Rev. of: Bower, F. O., J. G. Kerr, and \Y. E. Agar. Lectures 

 on sex and heredity delivered in Glasgow, 1917-18. lCmo, vi + 119 p., J t jig. Macmillan Co. : 

 London, 1919.] Science Progress 15: 152-153. July, 1920. 



1084. Gates, R. Ruggles. Heredity and eugenics. Eugenics Rev. 11: 193-201. 12:1-13. 

 1920. 



10S5. Grier, N. M. Variation and distribution of leaves in Sassafras. Biometrika 12: 

 372-373. Nov., 1919. 



1086. Grosser, Otto. Die Lehre vom spezifischen Eiweiss und die Morphologie, mit 

 besonderer Anwendung auf Vererbungsfragen und den Bau der Plazenta. [The doctrine of 

 specific proteins and morphology with special application to questions of heredity and the struc- 

 ture of the placenta.] Anat. Anzeiger 53: 49-57. 1920. 



1087. Hagedoorn-La Brand, A. C., and A. L. Hagedoorn. Inherited predisposition 

 for a bacterial disease. Amer. Nat. 54: 368-375. July-August, 1920. — Review of evidence for 

 inherited predisposition to disease. Experimental: — very minute mice related to the Japan- 

 ese Waltzing type obtained from Japan and China crosses with albinos. Fi and F 2 hybrids 

 were obtained, also backcross Fi X Japanese. Epidemic of staphylococcus occurred in 

 mousery. Disease took rapid course and no spontaneous recovery was recorded. Proportion 

 of mortality in various generations at weighings of January 4 and February 14 was calculated. 

 All Japanese mice died. F 2 , 31 litters gave total of 125 on January 4, 91 on February 14. No 

 albinos of same age died among "very considerable number." No Ft mice died among 14 

 observed. On a 3:1 basis F 2 expected 93.75:31.25, observed 91:34. Back-cross litters (14), 

 expected 1:1 ratio, observed 25:32. Excess of deaths over those expected is considered as 

 representing those due to all other causes. No experimental inoculation was attempted. — 

 C. C. Little. 



1088. Hansen, W. Die sinnbildliche bewertung der Parzellen- und Zuchtpflanzen. [The 

 valuation of plots and breeding plants by inspection.] Illustr. Landw. Zeitg. 1918: 42. 1918. 

 [Anonymous German rev. in: Zeitschr. Pflanzenziicht. 6: 99. June, 1918.] 



1089. Harder, R. [German rev. of: Kuster, Ernst. Uber weissrandige Blatter und an- 

 dere Formen der Buntblattrigkeit. (On white-margined leaves and other forms of variegation.) 

 Biol. Zentralbl. 39: 212-251. 27 fig. May, 1919. (See Bot. Absts. 4, Entry 644.)] Zeitschr. 

 Bot. 12: 267-268. 1920. 



1090. Harvey, Ethel Browne. A review of the chromosome numbers in the Metazoa. 

 II. Jour. Morph. 34: 1-67. June 20, 1920. — This contribution, supplementing the author's 

 previous work (Jour. Morphol., v. 28, Dec. 1916), completes list of chromosome numbers for 

 the metazoa. Tabulation includes complete bibliography. Short historical and critical 

 account is given and also a review of the occurrence of heterochromosomes. Conclusions are: 

 (1) the chromosome number for each species is constant with a few exceptions; (2) there is 

 a definite number of chromosomes characteristic of a related group of animals (the type 

 number) ; (3) changes of number in related forms have resulted from the splitting or fusion 

 of chromosomes. — Bertram G. Smith. 



1091. Houwink, R. Hzn. Erfelijkheid. Populaire beschouwingen omtrent het tegen- 

 woordige standpunt der erfelijkheid, verzameld uit theorie en practijk. [Heredity. Popular 

 presentation of the present status of heredity compiled from theory and practice.] 62 p., 5 pi. 

 Stoomdrukkerij Floralia: Assen, 1919.. — Brief popular treatise by a well-known expert in 

 poultry-breeding. It contains the most important principles of heredity and propagation 

 and their relations to poultry-breeding. The booklet is intended for the common breeder; 

 without being too learned, the difficult subject is treated in easily comprehensible way. — 

 M. J. Sirhs. 



