REPORT OF THE PRESIDENT, 1923. 



17 



F. — Table showing number of volumes, number of pages (octavo and quarto), and totals of 

 pages of publications issued by the Institution for each year and for the 

 twenty-one years from 1902 to 1923. 



The publication of 20 volumes has been authorized by the Execu- 

 tive Committee during the year, at an aggregate estimated cost of 

 Publications $65,800. The following list gives the titles and names 

 ^ssued^durSg^ ^^ authors of the publications issued; it includes 20 

 the Year. volumes, with an aggregate of 6,459 octavo pages and 

 604 quarto pages. Eleven additional volumes are now in press. 



List of Publications issued by Carnegie Institution of Wasmngton 

 during the year ending october 31, 1923. 



Year Book, No. 21, 1922. Octavo, xxii+414 pages, 1 plate, 6 figures. 



Index Medicus, Third Series. Vol. 2, 1922. Octavo, 1,182 pages. 



No. 248. Britton, N. L., and J. N. Rose. The CactacejE. Descriptions and Illustrations of 

 Plants of the Cactus Family. Quarto. In 4 volumes. Vol. IV, pages 1 to 80. 



No. 256. Dickson, L. E. History of the Theory of Numbers. Vol. III. Quadratic and 

 Higher Forms. Octavo, v+313 pages. 



No. 262. Bergen, Henry. The Fall of Princes, by John Lydgate, Edited from the best Manu- 

 scripts, with Bibliographical Introduction, Notes, and Glossary. Octavo. In 

 4 volumes. Part I, Books I and II, pages lxv+328, 1 fig. ; Part II, Book3 III-V, 

 pages 329-673; Part III, Books VI-IX, pages 675-1,044. 2 figures. 



No. 277. Contributions to Embryology. Nos. 65 to 71. Vol. XIV. Quarto. iii + 162 pages. 

 This book contains the following papers: 

 Sabin, F. R. — Direct Growth of Veins by Sprouting. (Contribution No. 65.) 



10 pages, 1 plate. 

 Buell, C. E. — Origin of the Pulmonic Vessels in the Chick. (Contribution No. 

 66.) 16 pages, 2 plates. 



