NO. II SMITHSONIAN EXPEDITIONS, I9QI1O-19QI1I alt 
some 22 miles northeast of Colon, where the rainfall exceeds that of 
any part of the Canal Zone. He crossed the swamps and waded some 
10 miles up the Cascajal River to the upper slopes of the Cerro Brujo, 
at an altitude of about 2,000 feet. As a result of the work over 2,000 
birds, nearly 400 mammals, and 169 reptiles and batrachians were 
obtained, together with numerous photographs and notes on the habits 
and distribution of various species. 
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Fic. 22,—TVermite nest, near Aguadulece. 
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Dr. Meek and Mr. Hildebrand were in the field from January to 
May, 1911. They occupied themselves principally in collecting the 
fishes of the fresh waters of the Zone, especially in the Gatun Lake 
area, and also species of the brackish waters, which it is believed will 
be among the first to pass through the canal. They also visited the 
Bayano River on the Pacific side of the Isthmus, about 45 miles to 
the east of the Canal Zone. A number of species of fresh water 
