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Previous Issue: Vol. 2, No. 47, May 21, 1881
Next Issue: Vol. 2, No. 49, Jun. 4, 1881
Front Matter (2 pp.)
[Editorial], pp. 241-242
The Production of Sound by Radiant Energy, pp. 242-253
- Alexander Graham Bell
Contributions to Comparative Psychology. I. Instinct and Reason, p. 253
- S. V. Clevenger
Further Notes on the Brain of the Sauropsida, p. 254
- E. C. Spitzka
Astronomy, pp. 254-255
- W. C. W.
Correspondence, pp. 255-256
- A. H. Swinton; O. W. Holmes
A Curious Egg, p. 256
- E. E. Barnard
Books Received
- ----------------, p. 256
Notes, p. 256
Back Matter (2 pp.)
Previous Issue: Vol. 2, No. 47, May 21, 1881
Next Issue: Vol. 2, No. 49, Jun. 4, 1881