CONTENTS 



1. Bennett, Wendell Clark. The Ethnogeographic Board. 135 



pp. Apr. 14, 1947. (Publ. 3889.) 



2. Carbonell, C. S. The thoracic muscles of the cockroach Peri- 



planeta americana (L.). 23 pp., 8 pis. May 8, 1947. (Publ. 

 3890.) 



3. Abbot, C. G. 1946- 1947 report on 27.0074-day cycle in Wash- 



ington precipitation. 2 pp. Mar. 17, 1947. (Publ. 3892.) 



4. Abbot, C. G. The sun's short regular variation and its large 



effect on terrestrial temperatures. 33 pp., 12 figs. Apr. 4, 1947. 

 (Publ. 3893.) 



5. Blackwelder, Richard E. The dates and editions of Curtis' 



British Entomology. 2y pp., 4 pis. June 12, 1947. (Publ. 



3894.) 



6. Wedel, Waldo R. Prehistory and the Missouri Valley develop- 



ment program : Summary report on the Missouri River Basin 

 Archeological Survey in 1946. 17 pp., 2 pis. Apr. 23, 1947. 

 (Publ. 3895.) 



7. Snodgrass, R. E. The insect cranium and the "epicranial su- 



ture." 52 pp., 15 figs. July 30, 1947. (Publ. 3896.) 



8. Drucker, Philip. Some implications of the ceramic complex of 



La Venta. 9 pp., 6 pis. July 30, 1947. (Publ. 3897.) 



9. Abbot, C. G. Precipitation affected by solar variation. 4 pp., 2 



figs. Aug. II, 1947. (Publ. 3901.) 



10. Abbot, C. G. A revised analysis of solar-constant values. 9 pp., 



2 figs. Aug. 30, 1947. (Publ. 3902.) 



11. Fennah, R. G. Notes on neotropical Dictyopharidae and syn- 



onymy in two other groups. 13 pp., 2 pis. Nov. 24, 1947. 

 (Publ. 3904.) 



12. Swanton, John R. The Wineland voyages. 81 pp. Dec. 15, 



1947. (Publ. 3906.) 



13. Henderson, E. P., and Perry, S. H. The Edmonton, Kentucky, 



meteorite. 4 pp., 4 pis. Oct. 31, 1947. (Publ. 3907.) 



14. Deignan, pi. G. a review of the races of the spotted babbling 



thrush, Pellorneum ruficeps Swainson. 20 pp. Oct. 20, 1947. 

 (Publ. 3908.) 



15. Baker, Lt. Rollin H. Report on collections of birds made by 



United States Naval Medical Research Unit No. 2 in the 



(v) 



