Report of the President. 13 



present us with a representative collection of the Butterflies of 

 America, North of Mexico. He has also authorized the Curator 

 to select for the Museum a representative collection of the Butter- 

 flies of Central and South America. 



The Termite and Ant Hill Nests, collected in Hayti and the 

 United States of Colombia, by Mr. Francis C. Nicholas, now 

 shown in the Gallery Hall, were presented by Mr. Henry C. 

 Pratt of this city. 



Among the many accessions to the Library I make special men- 

 tion' of the gift of Miss Laura P. Halsted, a warm friend of the 

 Institution, who presented three hundred and seven volumes as a 

 memorial to her brother, the late Robert Halsted. 



Another important donation has been received from the British 

 Government, which, at the request of the Royal Society, has 

 presented to the Library the " Report on the Scientific Results of 

 the Voyage of H. M. S. ' Challenger,' " consisting of forty-four 

 volumes. 



The Library has also received, through the generosity of the 

 Duke of Loubat, ninety-two volumes relating especially to 

 Anthropology, an exceptionally helpful gift to this department, 

 the works having been selected with reference to its needs. 

 Many of the volumes are very rare. 



One hundred specimens have been added to the mammal 

 exhibit, among which are six Deer, a Puma, three Mountain 

 Sheep, a Rhinoceros, a Nilghau, and four dogs representing 

 prominent races. 



Two new groups were added to the series of bird groups, pre- 

 pared with their natural surroundings ; one of these comprises 

 adult and young specimens of the Duck Hawk. The other con- 

 tains the old and young of the Red-shouldered Hawk. Both were 

 mounted with their natural accessories in a realistic manner, under 

 the supervision of Mr. John Rowley, and have been placed in the 

 main hall, at the entrance. 



Skeletons of the Walrus, White-tailed Gnu, Polar Bear, 

 Narwhal, Rhinoceros and Boa Constrictor have been added to the 

 exhibition collection. 



About 250 geological and mineralogical specimens were 

 purchased in various parts of Russia and Russian Armenia by 



