viii Proceedings of the Biological Society of Washington. 



PLATES. 



I. Facing p. 147. Bones of Cyclura portoricensis. 



The Committee on Publications declares that each paper of this volume 

 was distributed on the date indicated on its initial page. The Index, 

 title page, and minutes of meetings for 1919 (pp. i-xvi; 281-288) were 

 issued on March 11, 1920. 



