LECTURE ANNOUNCEMENTS S7 
Chichen-Itza, and in Mexico he will spend some time at the great Aztec 
ruins at Mitla near Oaxaca. ‘These visits are for the purpose of making 
field studies that will be used in reproducing certain of the prehistoric 
ruins of North America for structural use in the new hall of Mexican 
archeology which is planned for the next addition to the Museum 
building. On his way back from Mexico, Dr. Bumpus will visit the 
copper mining regions of New Mexico and Arizona, making studies for 
use in connection with proposed groups illustrating some famous Ameri- 
‘an copper mines and will make a tour of inspection among the anthro- 
pological field parties which the Museum has in the Southwest. 
Mr. Frank M. CHapman, Curator of Ornithology, sailed for Mexico 
on February 17, to make studies and collect specimens and accessories 
for one of the new series of Habitat Bird Groups. ‘This Mexican group 
is designed to show the characteristic birds of the American tropics,— 
parrots, toucans, trogons, motmots and others. The locality repre- 
sented by the foreground wiil be in the “tierra caliente,” or tropical 
portions of the State of Vera Cruz, while the painted background will 
lead one to the snow crown of Mt. Orizaba, since to explain the signifi- 
‘ance of perpetual summer and perpetual snow in the same scene will 
be one of the objects of the group. Mr. Chapman is accompanied by 
Mr. Louis Agassiz Fuertes, the well-known artist, who will make studies 
for the background as well as for the birds of the group. 

LECTURE ANNOUNCEMENTS 
MEMBERS’ COURSE 
The second course of illustrated lectures for the season 1909-1910 to 
Members of the Museum and persons holding complimentary tickets given 
them by Members will be given in March. 
Thursday evenings at 8:15 o’clock. Doors open at 7:45. 
March 3.— Dr. Percivau Lowe tt, ‘‘ The New Canals of Mars.’’ 
These are not simply new canals to us but new on Mars. From the long con- 
tinued records at the Lowell Observatory, Dr. Lowell, the Director, proves that these 
canals have originated on Mars within the last few months. 
March 10.— Pror. Winuts L. Moors, “The Story of the Weather.” 
Professor Moore is the Chief of the United States Weather Bureau, and in his 
lecture will give an account of the work of his Department, a subject of wide-spread 
interest at the present time. 
