Ch. XI] MODELS FROM SERIAL SECTIONS 423 



1907. (From this paper the above quotations were made.) Zeit. 

 wiss. Mikroskopie, Bd. xxv, 1908, pp. 73-75. 



Blotting-paper models have also been made and demonstrated 

 by Dr. J. H. Hathaway and by Dr. J. B. Johnston at the Association 

 of American Anatomists, 1906 (Proc. Assoc. Amer. Anatomists, Anat. 

 Record, April 1, 1907); in 1909 by Dr. J. Parsons Schaeffer (Anat. 

 Record, 1910); and in 1916 by Dr. Charles Brookover and Dr. 

 H. Saxon Burr (Anat. Record, 191 7). 



