CONTENTS 



1. Snodgrass, R. E. Morphology- and mechanism of the insect 



thorax. June 25, 1927. 108 pp., 44 figs. (Publ. 2915.) 



2. Abbot, C. G. A group of solar changes. April 25, 1927. 16 pp., 



9 figs. (Publ. 2916.) 



3. GiLMORE, Charles W. Fossil footprints from the Grand Canyon : 



Second contribution. July 30, 1927. 78 pp., 21 pis.. };j figs. 

 (Publ. 2917.) 



4. Graham, David Crockett. Religion in Szechuan Province, 



China. February 4, 1928. 83 pp., 25 pis., 16 figs. (Publ. 2921.) 



5. BusHNELL, David I., Jr. Drawings by A. DeBatz in Louisiana, 



1732-1735. December I, 1927. 14 pp., 6 pis. (Publ. 2925.) 



6. Coomaraswamy, Ananda K. Yaksas. May 8, 1928. 43 pp., 



23 pis. (Publ. 2926.) 



7. MooNEY, James. The aboriginal population of America north of 



Mexico. February 6, 1928. 40 pp. (Publ. 2955.) 



8. Gilmore, Charles W, Fossil footprints from the Grand Canyon : 



Third contribution, January 28, 1928. 16 pp., 5 pis., 7 figs. 

 (Publ. 2956.) 



9. Fewkes, J. Walter. Aboriginal wooden objects from southern 



Florida. March 26, 1928. 2 pp., 3 pis. (Publ. 2960.) 



10. Bushnell, David I., Jr. Drawings by John Webber of natives 



of the northwest coast of America, 1778. March 24, 1928. 

 12 pp., 12 pis. (Publ. 2961.) 



11. EwiNG, H. E. The legs and leg-bearing segments of some primi- 



tive arthropod groups, with notes on leg-segmentation in the 

 Arachnida. April 23, 1928. 41 pp., 12 pis. (Publ. 2962.) 



12. Charles Doolittle Walcott, Secretary of the Smithso- 



nian Institution, 1907-1927. Memorial meeting, January 

 24, 1928. May 12. 1928. 37 pp., I pi. (with complete bibliog- 

 raphy of the published writings of Charles D. Walcott). 

 (Publ. 2964.) 



(v) 



