CONTENTS OF VOLUME XXIII 



Page 

 Title page i 



Officers ii 



Contents iii 



Dates of Publication and Editions of Brochures iii 



List of illustrations iv 



A Physiological Study of the Changes in Mustelus cams produced by Modi- 

 fications in the Molecular Concentration of the External Medium. 



By G. G. Scott 1 



Corrections and Additions to "List of Type Species of the Genera and Sub- 

 genera of Formicidse." By William Morton Wheeler 77 



A Contribution to the Geology of the Wasatch Mountains, Utah. By Fer- 

 dinand Frits Hintze, Jr. ( Plates I-VI ) 85 



Lockatong Formation of the Triassic of New Jersey and Pennsylvania. 



By A. C. Hawkins. (Plate VII ) 145 



Revision of the Genus Zaphrentis. By Marjorie O'Connell 177 



The Manhattan Schist of Southeastern New York State and its Associated 



Igneous Rocks. By Charles Reinhabd Fettke. (Plates VIII-XV) 193 



Records of Meetings, 1913. By Edmund Otis Hovey 261 



The Organization of the Academy 317 



. The Original Charter 317 



Order of Court 319 



Amended Charter 320 



Constitution 323 



By-laws 324 



Membership Lists, 31 December, 1913 331 



Index 343 



DATES OF PUBLICATIONS AND EDITIONS OF THE BROCHURES 



Edition 



Pp. 1-75, 15 May, 1913 1200 copies 



Pp. 77-83, 29 May, 1913 1150 copies 



Pp. 85-143, 12 December, 1913 1400 copies 



Pp. 145-176, 27 January, 1914 1050 copies 



Pp. 177-192, 25 February, 1914 1300 copies 



Pp. 193-260, 30 April, 1914 1650 copies 



Pp. 261-353, 30 April, 1914 1000 copies 



HI 



