338 The Tortolseshell Tomcat — A Suggestioii 



5. Little, C. C. " Colour Inheritance in Cats, with special reference to the Colours 



Black, Yellow and Tortoiseshell." Journal of Genetics^ Vol. viii. 1919, p. 279. 



6. Magnusson, H. " Geschlechtslose Zwillinge. Eine gewohnliche Form von 



Hermaphroditismus beim Rinde." Arch. f. Anat. u. Physiol. Anat. Abt. 1918, 

 Vol. I. p. 29. 



7. Morgan, T. H. and Bridges, C. B. " The Origin of Gynandromorx)hs." In 



" Contributions to the Genetics of Drosophila melanogastes.'^ Carnegie Inst. 

 Publ Washington, 1919. 



