Table of Contents

February 1942; 28 (2)

Zoölogy

Zoölogy:
- Alfred Marshak
Relative Effects of X-Rays and Neutrons on Chromosomes in Different Parts of the “Resting Stage”
PNAS 1942 28:29-35
- Full Text (PDF)

Botany:
- Edmund W. Sinnott
Comparative Rates of Division in Large and Small Cells of Developing Fruits
PNAS 1942 28:36-38
- Full Text (PDF)

Genetics:
- D. F. Jones
Chromosome Degeneration in Relation to Growth and Hybrid Vigor
PNAS 1942 28:38-44
- Full Text (PDF)
Genetics:
- C. D. Darlington
- and Th. Dobzhansky
Temperature and “Sex-Ratio” in Drosophila Pseudoöbscura
PNAS 1942 28:45-48
- Full Text (PDF)

Mathematics:
- Edward Kasner
- and Don Mittleman
A General Theorem on the Initial Curvature of Dynamical Trajectories
PNAS 1942 28:48-52
- Full Text (PDF)
Mathematics:
- Edward Kasner
- and John De Cicco
Generalized Transformation Theory of Isothermal and Dual Families
PNAS 1942 28:52-55
- Full Text (PDF)
Mathematics:
- R. L. Moore
Concerning Separability
PNAS 1942 28:56-58
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Mathematics:
- Horace S. Uhler
The Coefficients of Stirling's Series for Log Γ(x)
PNAS 1942 28:59-62
- Full Text (PDF)
Mathematics:
- A. C. Schaeffer
Oscillations of the Derivatives of a Function
PNAS 1942 28:62-64
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