STUDIES ON THE PHYSIOLOGY OF REPRODUCTION 

 IN THE DOMESTIC FOWL 



I. REGULATION IN THE MORPHOGENETIC ACTIVITY OF THE 



OVIDUCT^ 



RAYMOND PEARL 



In Figure 32, Plate II, of Miss Stevens's paper on "Further 

 Studies on the Chromosomes of the Coleoptera" (vol. vi, no. i), 

 one chromosome has been omitted; the figure should appear thus: 



& /*• 



dd 



eisewnere are trymg to answer. 1 he zeal tor mquiry m these 

 directions is greatly stimulated by the obvious fact that at some 

 time or other during the history of poultry under domestication 

 there has been a very great increase in egg production over what 

 obtains in the wild representatives of the genus Gallus. If the 

 thing can be done once, why not again .^ 



^ Papers from the Biological Laboratory of the Maine Experiment Station, No. 7. 

 The Journal of Experimental Zoology, vol. vi, no. 3. 



