30 Report of the President 



which time the leaders and other members of the Museum staff 

 have been engaged in the preparation and arrangement of the 



vast collections secured, in research and in publication. 



The total cost of the expedition and the prepara- 

 tion of the collections to date is $73,797.28. Here again the 

 best standards of modern scientific field work were observed, 

 and the following publications, already issued, are highly re- 

 garded by naturalists : 



The Skeletal Characters of Scutisorex Thomas, by Dr. J. A. Allen 

 The American Museum Congo Expedition Collection of Bats, by J. A. 



Allen, Herbert Lang and James P. Chapin 

 A Note on the Lumbar Vertebra of Scutisorex Thomas, by H. von W. 



Schulte 

 Fresh-Water Fishes of the Congo Basin obtained by the American 



Museum Congo Expedition, 1909-1915, by John Treadwell Nichols 



and Ludlow Griscom 

 Descriptions of Three New Birds from the Belgian Congo, by James 



P. Chapin 

 The Pennant-Winged Nightjar of Africa and its Migration, by James 



P. Chapin 

 Four New Birds from the Belgian Congo, by James P. Chapin 

 The Classification of the Weaver-Birds, by James P. Chapin 



Parasitic Muscid Larva Collected from the African Elephant and the 

 White Rhinoceros by the Congo Expedition, by Joseph Bequaert 



Dentition of Hydrocyon and its supposed fossil Allies, by Charles R. 

 Eastman 



Fossil Fishes collected by the American Museum Congo Expedition, by 

 L. Hussakof 



A new Species of Trematode {Cladorchis gigas) parasitic in Elephants, 

 by G. A. MacCallum 



Shrews Collected by the Congo Expedition of the American Museum, 

 by N. Hollister 



These papers are being published in the American Museum 

 Bulletin. The division of these collections, for study and de- 

 scription, thus far has been made as follows : 



Smaller mammals, Dr. J. A. Allen (partly published) 

 Larger mammals, Mr. Herbert Lang (in preparation) 

 Fishes, Mr. John T. Nichols and Mr. Ludlow Griscom (published) 



