210 



The Journal of Heredity 



located in one of the ordinary chromo- 

 somes than to refer it to a gene located 

 either in a Y or an X-chromosome. 

 However, the Schofield genealogy, if 

 correctly reported, suggests very strong- 

 ly Y-chromosome transmission, since 

 the character here passes from father 

 to son, but not from father to daugh- 



ter, nor through the daughter to the 

 grandsons, as in X-chromosome trans- 

 mission. If the Schofield genealogy 

 has been correctly reported, I concur 

 in the view expressed by Wright that 

 the vehicle of transmission is not the 

 same there as in the other families 

 mentioned. 



Literature Cited 



'HuRLiN, R. G. A Case of Inherited Syndactyly in Man. xi :334. Sept. 1920. 



- Schofield, R. Inheritance of Webbed Toes, xii :400. Nov. 1921. 



■' ScHULTz, A. H. Zygodactyly and Its Inheritance. xiii:ii3. March, 1922. 



^Wright, S. Another Pedigree of Webbed Toes. xiii:ii8. March, 1922. 



" Castle, W. E. The Y-Chromosome Type of Sex Linked Inheritance in Man. Science, 



LV 703. 1922. 



" Schmidt, J. C. R. Trav. Laboratoire Carlsberg, Vol. 14. 1920. 

 'AiDA. T. Genetics. vi:554. 1921. 

 ^WiNGE. O. Jourl. Genetics, xii: 145. 1922 



World's Dairy Congress To Meet 



Great emphasis will be placed upon 

 the possibility of improving dairy herds 

 and increasing milk production by the 

 careful selection of breeding stock and 

 the gradual elimination of inefficient 

 animals at the World's Dairy Congress. 

 The sessions will be held at Washing- 

 ton, D. C, on October 2 and 3 ; at 

 Philadelphia, Pa., on October 4, and at 

 Syracuse, N. Y., from October 5 to 10. 



The program is being designed 

 broadly for four great groups and the 

 topics of discussion have been arranged 

 under the headings : I, Research and 

 Education; II, Industry and Econom- 

 ics; III, Regulation and Control, and 

 IV, National Health. The chairman 

 of the Program Committee is Dr. L. 

 A. Rogers, Director, Research Labora- 

 tories, Dairy Division, United States 

 Department of Agriculture. Members 

 of a Program Advisory Committee 

 have been appointed by such national 

 organizatifjns as the breeders' associa- 

 tions, the Red Cross and the American 

 Child Health Association. 



About 200 pai)ers have been pre- 

 pared, about half by delegates from 

 other countries. Most of these will be 

 presented at Syracuse, where five ses- 

 sions will be held simultaneously each 



morning. Two entire sessions will be 

 devoted to breeding, heredity, efficiency 

 and kindred topics. Among the papers 

 will be : "The Wisconsin Experiment 

 in Crossbreeding," by L. J. Cole ; "The 

 Inheritance of Milk Production and 

 Butterfat Percentages," by J. W. 

 Gowen ; "The Development of the Dairy 

 Shorthorn in England," by Major G. 

 J. Buxton ; "Measures Found Effec- 

 tive in Raising the Productivity of 

 Danish Dairy Cows," by Lars Freder- 

 ikson ; "Relations Between Quantity 

 and Availability of Calcium in ttie Ra 

 tion and Yield of Milk Cows," by E. 

 B. Meigs ; "Some Aspects of the Physi- 

 ology of Milk Glands," by Haakon 

 Isaachsen, of Norway ; "The Relation 

 Between Nutrition and the Productive 

 Function," by E. M. Evans. Among 

 the speakers at these and other sessions 

 will be : E. V. McCollum, of Johns 

 Hopkins University ; H. C. Sherman, 

 of Columbia University ; L. B. Mendel, 

 of Yale University ; Robert Burri, of 

 Switzerland ; R. H. Leitch, of Scot- 

 land ; Willibald Winkler, of Austria ; 

 Osakar Laxa, of Bohemia ; A. Miya- 

 waki, of Japan ana Charles Porcher, 

 (jf France. 



