Trans. N. Y. Ac. Scz. 158 Apr. 24, 
the practicability and the financial success of this great enterprise ; and 
he had no doubt that ladies and gentlemen now in his audience would 
yet pass threugh this submarine tunnel, on their way between Paris and 
London. 
At the close of the lecture, complimentary remarks were made 
by the Presipenr and Dr. B. N. Martin; and on motion the in- 
terest and gratification of the Academy was expressed in a resolu- 
tion of thanks to Count WaRTEGG. 
April 24, 1882. 
SECTION OF GEOLOGY. 
The President, Dr. J. S. NEWBERRY, in the chair. 
Twenty-seven persons present. 
The receipt of interesting letters from Dr. JULIEN, the recently 
elected Vice-President of the Academy, was announced by Presi- 
dent NEWBERRY, with notes of much scientific value regarding the 
explorations in which he is engaged in the islands off the coast of 
Venezuela, particularly on Aruba. Dr. JULIEN reports there large 
guano deposits, and discovers proofs of a series of repeated 
changes of level. He is collecting in several departments of 
zoology, and will have much interesting matter to lay before the 
Society on his return. 
Dr. JULIEN proposed the name of the Governor of the island of 
Buen Ayre, JonHan F. W. GRAVENHORST, a gentlemen of scien- 
tific culture, as a Corresponding Member of the Academy, and he 
was at once unanimously elected. 
Dr. B. N. Martin referred to the very remarkable display of 
aurora during nearly the whole night of the 16th inst., as did also 
the President. A brilliant corona was formed ; the entire sky was 
covered with tremulous sheets and waves of white light ; and all tha 
telegraph wires were rendered useless for a time in New York, while 
the disturbance reached widely over the country and even affected 
the submarine cables. 
The death of one of the oldest Fellows of the Academy, Mr. 
Wo. H. LEGGETT, was announced by Dr. MartTIN, and he and the 
President gave outlines of the personal and scientific record of Mr. 
LEGGETT, of his scholarly attainments, especially in Greek, of his 
