ANNALS OF THE NEW YORK ACADEMY OF SCIENCES 

 Vol. XXVI. pp. 317-383, pi. IV 



Editor, Edmund Otis Hovey 



PRESENT STATUS OF THE PROBLEM OF 

 THE ORIGIN OF THE TETRAPODA 



WITH SPECIAL REFERENCE TO THE SKULL 

 AND PAIRED LIMBS 



BY 



William K. Geegory 



NEW YOEK 



PUBLISHED BY THE ACADEMY 



7 July, 1915 



