CONTENTS FOR FEBRUARY 



Cover. The Apache Scout, from the copyrighted photog-rapli l)y 

 Edward S. Curtis 



Frontispiece, A Stronghold of Ancient Cliff Dwellers 84 



Rito de los Frijoles, photographed by Herbert J. Spinden 



Excavation of the Aztec Rnin N". C. Nelsox 85 



An account of the initial work on the largest piece of scientific excavation ever undertaken in 



the United States 



niustrations from photographs by the Expedition 



The Xew Archaeology Clark Wissler 100 



The birth of a new science in a new method, by which can be answered eventually the ques- 

 tions : '"How long has man been in America, whence did he come, and what has been his history 

 since his arrival?" 



Camp Life in New Mexico Ethelyn G. Nelson 103 



Eeproductions in Duotone of Scenes and Portraits from the American 



Southwest 115 



From photographs by Herbert J. Spinden and Edward S. Curtis 



The Meaning of Bird Music Henry Oldys 123 



A discussion of the musical ability of birds with illustrations from the Author's notations of 

 bird songs 



Some Birds of the Yellowstone M. P. Skinner 129 



Scenes from the home life of some of the feathered wards of the United States 

 Illustrations from photographs by the Author 



Monoclonius, a Cretaceous Horned Dinosaur Barnum Brown 135 



An account of the first complete skeleton of this giant reptile of the past, now exhibited in the 

 American Museum of Natural History 



Illustrations from pliotographs by the Author and from a restoration made by Richard Deckert 

 under the supervision of the Author 



Fossil Man in South Africa 141 



A letter from Dr. Robert Broom 



The Great Jade Mass from Jordansmlihl 142 



Report from the Asiatic Zoological Expedition 144 



Museum Notes 147 



Mary Cynthia Diokeeson, Editor 



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 American Museum. 



