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Previous Issue: Vol. 21, No. 543, Jun. 30, 1893
Next Issue: Vol. 22, No. 545, Jul. 14, 1893
Hydrazoic Acid: A New Form of Apparatus for Its Preparation; Its Physiological Action, pp. 1-2
- Cyril G. Hopkins
On Protopterus Annectens, pp. 2-3
- R. W. Shufeldt
Observations on a Cyclone Near Williamstown, Kansas, p. 3
- E. H. S. Bailey
Notes on the Copepoda of Wisconsin, pp. 3-4
- C. Dwight Marsh
The Hillock and Mound Formations of Southern California, p. 4
- Daniel Cleveland
Current Notes on Anthropology.--XXXI, pp. 4-5
- D. G. Brinton
Notes and News, p. 5
[Editorial Notes], p. 6
Notes on the Flora of Long Island, p. 6
- Smith Ely Jelliffe
Consumption among the Colored People of the Southern States, pp. 6-7
- G. W. Hubbard
Letters to the Editor
- Variation and Evolution, pp. 7-8
- W. A. Gain
- Books for Children, p. 8
- M. A. Willcox
- Two Queries, pp. 8-9
- Edson S. Bastin
- The Aurora, p. 9
- W. A. Ashe
- Scientific Words in the Century Dictionary, pp. 9-10
- John Gifford
- A Peculiar Occurrence of Beeswax, p. 10
- James Wickersham
- Color Perception: A Correction, p. 10
- J. Mark Baldwin
- Birds that Sing in the Night, pp. 10-11
- Lynds Jones
- The Earth as a Conductor, p. 11
- D. Flanery
- On the Evolution of the Habit of Incubation, pp. 11-12
- Clement Fezandie
- Another Ancient Argillite Quarry Near Trenton, p. 12
- H. C. Mercer
- Do Nestlings Drink, p. 12
- Francis Philip Nash
Book-Reviews
- ----------------, pp. 12-13
- Logarithmic Tables
- G. W. Jones
- Review author[s]: G. A. H.
- ----------------, p. 13
- Pioneers of Science
- Oliver Lodge
- Review author[s]: J. E. I.
Among the Publishers, p. 13
Back Matter (3 pp.)
Previous Issue: Vol. 21, No. 543, Jun. 30, 1893
Next Issue: Vol. 22, No. 545, Jul. 14, 1893