CONTENTS FOR JANUARY 



Frontispiece, Portruit of Professor Henry Fairfield Osborn 4 



Author of Men of Ihr Old Stone Age. a new book on the anceslors of man, published by Charh-s Scrlbner's 

 Sons 



The Beginnings of Flight Frederic A. Lucas 5 



Discussion of the orifjiti of (lying, in the light of the recent discovery of feathers on the hind legs of young 

 birds, which may have served the purpose of wings in ancestral birds 



"Men of the Old Stone Age" Clark Wissler 13 



Review of a recent book by Professor Henry Fairfield Osborn concerning the types of the extinct ancestors 

 of man in Western Europe, originally dispersed from some center in Asia 

 Illustrations from restorations by Dr. J. H. McGregor 



South American Trails Lee Garnett Day 23 



Thestory of the Collins-Day Expedition across South America, with especial reference to experiences with 



mule train on the trails of the high Andes 



Illustrations from photographs by the members of the expedition 



Reproductions in duotone of South American Photographs 33 



Giving glimpses of travel and life in the high Andes 



Pictures taken by members of the Collins-Day South American Expedition 



The Grim Wolf of the Tar Pits. W. D. Matthew 45 



The great extinct wolf of the asphalt deposits at Rancho La Rrea 



The Pawnee Human Sacrifice to the Morningstar 



Clark Wissler and Herbert J. Spinden 49 



Discussion of a possible connection between human sacrifice ceremonials among the Pawnee and the Mexi- 

 cans 



Ignaz Matausch C.-E. A. Winslow 57 



An appreciation, with reference to the work he accomplished for the hall of public health in the American 

 Museum 



Porto Rico Henry E. Crampton 59 



A description of the island, where the New York Academy of Sciences, with tlie support of the Insular 

 Government, is making a prolonged and comprehensive survey 



Natural History Museums and the Library George H. Sherwood 71 



With a description of the method of cooperation between the American Museum of Natural History 

 and the New York City libraries 



Museum Notes 73 



Mahy Cynthia Dickerson, Editor 



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

 Central Park West, New York City. 



The Joun al is sent free to all mettibers of the American Mtisemn, 



