CONTENTS 



All Bights reserved 



PAGE 



D. W. Cutler and L. Doncastee. On the Sterility of the Tortoise- 



shell Tom Cat. (With Plate XX) 65 



E. A, Cockayne. " Gynandromorphism " and kindred problems. With 



Descriptions and Figures of some hitherto undescribed examples. 

 (With Plates XXI— XXIV and 10 Text-Figures) ' . . .75 



J. B. S. Haldane, a. D. Sprunt, and N. M. Haldane. Reduplication 



in Mice (Preliminary Communication) 133 



Edith R. Saunders. A Suggested Explanation of the Abnormally 



High Records of Doubles quoted by Growers of Stocks (Matthiola) 137 



The Journal of O'enetics is a periodical for the publication of records of original 

 research in Heredity, Variation and allied subjects. The Journal will also, from time to 

 time, contain articles summarising the existing state of knowledge in the various branches 

 of Genetics, but reviews and abstracts of work puVilishcd elsewhere will not, as a rule, be 

 included. Adequate illustration will be provided, and, where the subject matter demands 

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CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNrVERSITY PRESS 



