## Contents of Volume 27, Number 4

HTML articles powered by AMS MathViewer

- Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 27, Number 4 (1921)
- Bull. Amer. Math. Soc.
**27**(1921)

- Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 27, Number 4 (1921)
- Bull. Amer. Math. Soc.
**27**(1921)

- The October meeting of the San Francisco Section
- B. A. Bernstein PDF
- Bull. Amer. Math. Soc.
**27**(1921), 149-153

- An image in four-dimensional lattice space of the theory of the elliptic theta functions
- E. T. Bell PDF
- Bull. Amer. Math. Soc.
**27**(1921), 153-160

- Note on the median of a set of numbers
- Dunham Jackson PDF
- Bull. Amer. Math. Soc.
**27**(1921), 160-164

- Note on closure of orthogonal sets
- O. D. Kellogg PDF
- Bull. Amer. Math. Soc.
**27**(1921), 165-169

- New publications
- Bull. Amer. Math. Soc.
**27**(1921), 194-196

##
Book Reviews

Book reviews do not contain an abstract. You may
download each review in this issue using the links
below.

- ɶuvres complètes de Thomas Jan Stieltjes.
- Reviewer: R. D. Carmichael

- Review information PDF
- Bull. Amer. Math. Soc.
**27**(1921), 170-178

- Opere di Evangelista Torricelli, by Gino Loria and Giusseppe Vassura.
- Reviewer: David Eugene Smith

- Review information PDF
- Bull. Amer. Math. Soc.
**27**(1921), 178-181

- An Introduction to String Figures, by W. W. Rouse Ball.
- Reviewer: David Eugene Smith

- Review information PDF
- Bull. Amer. Math. Soc.
**27**(1921), 181

- Solutions of the Examples in a Treatise on Differential Equations, by A. R. Forsyth.
- Reviewer: Charles N. Moore

- Review information PDF
- Bull. Amer. Math. Soc.
**27**(1921), 181-182

- Space, Time and Gravitation; an Outline of the General Relativity Theory, by A. S. Eddington.
- Reviewer: Edwin Bidwell Wilson

- Review information PDF
- Bull. Amer. Math. Soc.
**27**(1921), 182-186

- Researches in Physical Optics, by R. W. Wood.
- Reviewer: E. B. Wilson

- Review information PDF
- Bull. Amer. Math. Soc.
**27**(1921), 186