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Previous Issue: Vol. 21, No. 529, Mar. 24, 1893
Next Issue: Vol. 21, No. 531, Apr. 7, 1893
On the Ethnological Characteristics of the Human Nasal Canals, considered as an Economic Adaptation, pp. 169-170
- William C. Braislin
The Effect on the College Curriculum of the Introduction of the Natural Sciences, pp. 170-172
- W. L. Poteat
The Marine Biological Laboratory.--Sixth Season, 1893, pp. 172-173
Electrical Notes, p. 173
- R. A. F.
Notes and News, p. 173
[Editorial Notes], p. 174
Hydrographic Area of the Rio Wanque or Coco in Nicaragua, pp. 174-177
- J. Crawford
Natural and Artificial Cements in Canada, pp. 177-178
- H. Peareth Brumell
Letters to the Editor
- Prehistoric Remains in America, p. 178
- Cyrus Thomas
- Some More Infinitesimal Logic, pp. 178-179
- A. S. Hathaway
- Color of Flowers, p. 179
- Jeanne Neal
Book-Reviews
- ----------------, p. 179
- Extinct Monsters
- H. N. Hutchinson
- ----------------, p. 179
- Advanced Lessons in Human Physiology
- Oliver P. Jenkins
- Primary Lessons in Human Physiology
- Oliver P. Jenkins
- ----------------, pp. 179-180
- Interpretation of Nature
- Nathaniel S. Shaler
- ----------------, p. 180
- Formation of the Union, 1750-1822
- Albert Bushnell Hart
- ----------------, p. 180
- Proof of Evolution
- Nelson C. Parshall
Among the Publishers, pp. 180-181
Back Matter (3 pp.)
Previous Issue: Vol. 21, No. 529, Mar. 24, 1893
Next Issue: Vol. 21, No. 531, Apr. 7, 1893