Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
THE observations described in this work were made in the Vallée de Luz (Hautes Pyrénées, France), in August 1889 and June 1890, between 900 and 2200 metres altitude. The author has noticed 1801 visits ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results