CONTENTS 



1. Abbot, C. G. Weather dominated by solar changes. i8 pp., 4 



text figs. Feb. 5, 193 1. (Publ. 31 14.) 



2. Wetmore, Alexander. The avifauna of the Pleistocene in 



Florida. 41 pp., 6 pis., 16 text figs. Apr. 13, 1931. (Publ. 



3115-) 



3. Wajlcott, Charles D. (With explanatory notes by Charles E. 



Resser.) Addenda to descriptions of Burgess shale fossils. 

 46 pp., 23 pis., II text figs. June 29, 1931. (Publ. 3117.) 



4. Theriot, I. Mexican mosses collected by Brother Arsene 



Brouard — IIP 44 pp., 22 text figs. x\ug. 25, 1931. (Publ. 

 3122.) 



5. Brackett, F. S., and Liddel, Urner. Infra-red absorption 



bands of hydrogen cyanide in gas and liquid. 8 pp., 5 text 

 figs. Aug. 5, 1931. (Publ. 3123.) 



6. Snodgrass, R. E. Morphology of the insect abdomen. Part I. 



General structure of the abdomen and its appendages. 128 

 pp., 46 text figs. Nov. 6, 1931. (Publ. 3124.) 



7. McAtee, W. L. Effectiveness in nature of the so-called pro- 



tective adaptations in the animal kingdom, chiefly as illus- 

 trated by the food habits of Nearctic birds. 201 pp. Mar. 

 15, 1932. (Publ. 3125.) 



8. SwANTON, John R. Modern square grounds of the Creek In- 



dians. 46 pp., 5 pis., 15 text figs. Nov. II, 1931. (Publ. 

 3126.) 



9. WuLF, Oliver R. The determination of ozone by spectrobolo- 



metric measurements. 12 pp., 3 pis., 5 text figs. Nov. 30, 

 1931. (Publ. 3127.) 



10. Miller, Gerrit S., Jr. Human hair and primate patterning. 



13 PP-. 5 pis., Dec. 19, 1931. (Publ. 3130.) 



11. Aldrich, L. B. Supplementary notes on body radiation. 12 



pp., 5 text figs. Feb. 2, 1932. (Publ. 3131.) 



(v) 



