214 FLORENCE PEEBLES. 



hours, I think he would undoubtedly have found that the an- 

 terior end of the primitive streak does not, in the later embryo, 

 represent a region beyond the anterior somites, and therefore, 

 does not take part directly in the formation of organs anterior to 



the heart. 



THE WOMAN'S COLLEGE, BALTIMORE, MD., 

 January 22, 1903, 



