Nos. 620-621] INHERITANCE IN PEBOMTSCUS 



45:3 



foregoing pages and ones which have recently been ad- 

 vanced by Gates (1917) and by Goldsehmidt (1918) ; like- 

 wise to the resemblance between some of the features of 

 geographic variation which I have described for Pero- 

 myscus and those which have been observed by Swarth 

 (1918) for certain birds. . None of these articles had 

 been published at the time the present paper was written. 



LITEBATUBE CITED 



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1913. Elemente der exacten Erblichkeitslehre. (Zweite Auflage.) 



