PHCLORES, 81 
Mar. Apr. May. ; 
Mon. 20 24 22 ‘‘The Physical Divisions of the United States.’ 
Wed. 22 26 24 “Egypt and her Neighbors.” 
Fri. 24 28 26 ‘Our Island Possessions.”’ 
? 
Mon. 27. 1 29 ‘‘Methods of Transportation—Past and Present.”’ 
Wed. 29 3 31 “The Work of Water.” 
June 
foes 5 ©2 © New York City—Past and Present.” 
COLUMBIA UNIVERSITY—MUSEUM COURSE. 
DurinG February, Pror. HENry FarrRFIELD OssBorn, Curator of 
Vertebrate Paleontology in the Museum and Da Costa Professor of 
Zoélogy in Columbia University, delivered a course of six illustrated 
lectures on ‘‘The Evolution of the Horse,’’ in co-operation between 
the Museum and Columbia University. The programme of the 
lectures was as follows: 
Wednesday, February 1.—‘‘ The Horse as an Animal Mechanism.” 
Adaptation of the teeth, skull, skeleton, musculature and internal 
anatomy to the special functions of grazing and of speed. 
Monday, February 6.—‘‘The Horse in Relation to the Idea of 
Evolution.” 
The chief facts in the evolution and geographical distribution and the 
special relation of horses to their environment. 
Wednesday, February 8—‘The Fossil History of the Horse, 
especially in North America.” 
Supposed ancestors of the horse in the Cretaceous and Basal Eocene 
Periods. The first appearance of true horses in the Lower Eocene. 
Monday. February 13.— The Fossil History of the Horse,” 
Continued. 
Reasons for believing that the evolution of the true horses has taken 
place in this country. Causes of the extinction of all the native 
horses in North and South America. 
Wednesday, February 15.—‘‘ Existing: Races of Horses, Asses 
and Zebras.”’ ea 
Discussion of the question as to which of these types inhabited North 
America and the causes of their present distribution in Asia and 
Africa. 
Monday, February 20.—‘‘Probable Origin of the Domesticated 
Breeds of Horses.”’ 
Are domestic breeds of multiple origin? Semi-wild or feral race of 
horses in different parts of the world. Modes of distribution and 
intermingling of these breeds. The horse as a factor in civilization. 
