1890. | SCIENTIFIC AND BUSINESS PROCEEDINGS. 103 
the carbon di-oxide gas appeared, as one approached it from the path, 
like the surface of a mirror, or like a thin sheet of ice, the surface 
of the gas being on a level with the sill of the door. 
The Secretary, Pror. AREY, suggested that this was a case of 
total refraction. 
Mr. J. M. Davison exhibited a photograph of the coast at Kenne- 
bunk Beach, Me., showing stumps of large trees said to be the remains 
of a submerged forest. These stumps have every appearance of being 
in their original position. They are at the water edge at low tide, and 
buried to the depth of 5 or 6 feet at high tide. 
He also exhibited a specimen of basalt from the same locality 
showing quartz pebbles included in the mass. 
Mr. E. E. Howe tt suggested in explanation that this rock was 
from an “intrusion,” the conglomerate being carried up with the 
eruptive mass. 
PRESIDENT FAIRCHILD called attention to a letter by Dr. M. A. 
Veeder, published in the New York Herald, in which he shows that a 
series of auroras may be traced backward through several years, recur- 
ring at intervals of twenty-seven days. 
OCTOBER 27, 1890. 
STATED MEETING. 
Vice-President A. S. MANN, in the chair. 
Forty-seven persons present. 
The paper for the evening was read by Mr. F. W. WaRNER, on 
PERU: ITS PEOPLE, PRODUCTIONS AND PHYSICAL 
CHARACTERISTICS. ; 
The paper was illustrated by numerous photographs and speci- 
mens of pottery. 
A vote of thanks was, on motion of Mr. Davison, extended to 
Mr. Warner by the Academy. 
