Science, Vol. 18, No. 446, Aug. 21, 1891

Previous Issue: Vol. 18, No. 445, Aug. 14, 1891
Next Issue: Vol. 18, No. 447, Aug. 28, 1891

The Production of Musical Notes from Non-Musical Sands, p. 99
Sea-Sickness, p. 100
Diet and Animal Temperature, pp. 100-101
Evolution, pp. 101-102
Notes and News, pp. 102-103
[Editorial Notes], p. 104
Relations of Temperature to Vertebræ among Fishes, pp. 104-107

Letters to the Editor

Fair-Weather Echoes, p. 107

A. M. B.

Number of Words in an Ordinary Vocabulary, pp. 107-108

E. A. Kirkpatrick

Climatic Changes in the Southern Hemisphere, pp. 108-109

C. A. M. Taber

Book-Reviews

----------------, pp. 109-110

The Journal of the College of Science, Imperial University of Japan. Vol. IV., Part I

----------------, pp. 110-111

Taxidermy and Zoölogical Collecting

William T. Hornaday

Back Matter (3 pp.)

Previous Issue: Vol. 18, No. 445, Aug. 14, 1891
Next Issue: Vol. 18, No. 447, Aug. 28, 1891