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Previous Issue: Vol. 21, No. 520, Jan. 20, 1893
Next Issue: Vol. 21, No. 522, Feb. 3, 1893
The New Botany, pp. 43-44
- Lester F. Ward
The Structure of Insect Tracheæ, with Special Reference to Those of Zaitha Fluminea, pp. 44-46
- Alfred C. Stokes
Current Notes on Anthropology.--XXI, pp. 46-47
- D. G. Brinton
[Editorial Notes], p. 48
Notes from the Cornell Insectary, pp. 48-49
- M. V. Slingerland
The Extreme Heat and Cold Endured by Man, pp. 49-50
- Marquis De Nadaillac
Bezoars, pp. 50-51
- Eliza Brightwen
The Study of Moulting in Birds, pp. 51-52
- Witmer Stone
Letters to the Editor
- Comparative Longevity, pp. 52-53
- S. V. Clevenger
Book-Reviews, pp. 53-55
- Handbook of Australian Fungi
- M. C. Cooke
- Select Extra-Tropical Plants, Readily Eligible for Industrial Culture or Naturalization
- Baron Ferd von Mueller
- Review author[s]: Joseph F. James
----------------, p. 55
- A Text-Book of Least Squares
- Mansfield Merriman
- Theory of Errors and Method of Least Squares
- W. W. Johnson
Back Matter (3 pp.)
Previous Issue: Vol. 21, No. 520, Jan. 20, 1893
Next Issue: Vol. 21, No. 522, Feb. 3, 1893