CONTENTS OF VOLUME XXVIII 



Page 



Title page i 



Contents iii 



Dates of publication and editions of the brochures iii 



List of illustrations iv 



The Superb Position of New York City as a Center for Physiographic Study. 



By A. K. Lobeck 1 



A Memoir on the Phylogeny of the Jaw Muscles in Recent and Fossil Verte- 

 brates. By Leverett Allen Adams 51 



Contributions to the Herpetology of Porto Rico. By Karl Patterson Schmidt 167 

 Index 201 



DATES OF PUBLICATION AND EDITIONS OF THE BROCHURES 



Edition 

 Pp. 1- 50, 29 June, 1918 1854 copies 



Pp. 51-166, 15 January, 1919 1050 copies 



Pp. 167-200, 8 September, 1920 1211 copies 



