The American Museum Journal 



Volume XIII FEBRUARY, 1913 Number 2 



CONTENTS 



Cover, Ancient Stairway at Pueblo Shipaulovi, photographed by 

 Herbert J. Spinden. 



Frontispiece, Photograph of the New Wharf-Pile Group in the 

 American Museum 



Polar Exploration and the New Stefansson Expedition 



Robert E. Peary 51 



Plans of the Stefansson Expedition Clark Wlssler 55 



Liberal support by the Canadian Government - — Work geographical and 



anthropological 



Map of proposed route of the expedition; unknown area awaiting exploration. 



Map prepared under Vilhjalmur Stefansson 



Undiscovered Land in the Arctic Ocean R. A. Harris 57 



Proof from the behavior of tides of the existence of an uncharted Arctic conti- 

 nent of perhaps 500,000 square miles, or of an archipelago of large islands 

 Map of polar regions indicating theoretical position, size and shape of undis- 

 covered land; also ranges and directions of tides constituting proof. Map 

 prepared under R. A. Harris 



Ruins of Prehistoric New Mexico N. C. Nelson 63 



Extensive excavations of pueblos in the Rio Grande Valley for data to explain 

 the origin and present day distribution and cultures of the people of the South- 

 west. Map of Rio Grande drainage to show archaeological sites located by 

 the Nelson expedition. Map prepared under N. C. Nelson 



Indians of the Southwest 83 



Announcement of special display of collections opened at the Museum February 

 27 and of an exhibition of paintings including canvases by the late Louis Akin 

 Announcement illustrated with photographs from the new Navajo group 



Animals of the Wharf Piles Roy W. Miner 87 



Description of a new group from the standpoint of animal specialization to 

 inactive life 



The Wharf-Pile Group 91 



Editorial comment and notes on the construction of the group 



Museum Notes 93 



Mart Cynthia Dickesson, Editor 



Published monthly from October to May by the American Museum of Natural History. 

 Terms: one dollar per year, fifteen cents per copy. Entered as second-class matter January 

 12, 1907, at the Post-Oflflce at Boston, Mass.. Act of Congress, July 16, 1894. 



Subscriptions should be addressed to the American Museum Journal, 77th St. 

 and Central Park West, New York City. 



The Journal is sent free to all members of the Museum. 



