48 THE AMERICAN MUSEUM JOURNAL 



Mr. Alexander Petrunkevitch, an authority on American 

 spiders, has become officially connected with the ^Museum in the capacity 

 of Honorary Curator of Arachnida. This appointment was made by 

 the Board of Trustees in appreciation of the invaluable service which 

 Mr. Petrunkevitch has rendered the institution for several years through 

 correspondence, exchange and the general enrichment of the collections. 



LECTURE ANNOUNCEMENTS. 



MEMBERS' COURSE. 



The second course of lectures to members of the Museum and their 

 friends will begin February 25 and will be devoted to the Conservation of 

 Natural Resources. Details will be announced in a special circular. 



LEGAL HOLIDAY COURSE. 



Washington's Birthday, February 22, 1909, at 3.15 o'clock p. M. 

 No tickets required. 



"Some of the Food and Game Fishes of the Eastern United States. — 

 Habits and Methods of Capture." By Roy W. ALner. 



Fully illustrated with stereopticon views. 



C0LUMBL\ UNIVERSFFY COURSE. 

 Jesup Lectures. 



Given in cooperation with Columbia University. 

 Wednesday, February 3, at 8:15 o'clock p. m. 



The last of a course of ten lectures on light by Professor Richard C. 

 Maclaurin of Columbia University. 



"Some relations between light and electricity." 



A COURSE IN BIOLOGY. 



Arranged by the Biology Departments of the Normal College and the 

 High Schools of Manhattan. Illustrated with stereopticon views. 



