vi CONTENTS 



15. Heller, Edmund. New species of insectivores from British East 

 Africa, Uganda, and the Sudan. December 33, 1910. 8 pp., 

 Ipl. (Pub. No. 2004.) 



IG. Hrdliuka, AleS. Some results of recent anthropological explora- 

 tion in Peru. April 26, 1911. 16 pp., 4 pis. (Pub. No. 3005.) 



17. Heller, Edmund. New species of rodents and carnivores from 



Equatorial Africa. Februarj^ 28, 1911. 16 pp. (Pub. No. 

 2006.) 



18. Stearns, Mary E. Bibliogi'aphy of the scientific writings of R. 



E. C. Stearns. With biographical sketch by William Healcy 

 Ball. April 11, 1911. 15 pp., 1 pi. (Pub. No. 2007.) 



19. Abbot, C. G. The silver disk pyrheliometer. March 31, 1911. 



10 pp., 1 pi. (Pub. No. 2008.) 



20. Mearns, Edgar A. Descriptions of fifteen new African birds. 



April 17, 1911. 11 pp. (Pub. No. 2010.) 



21. Nelson, E. W. Description of a new genus and species of hum- 



ming bird from Panama. July 8, 1911. 2 pp. (Pub. No. 

 2015.) 



22. Nelson, E. W. Two new subspecies of birds from Panama. Sep- 



tember 7, 1911. 1 p. (Pub. No. 2053.) 



23. Christ, H. On Psomiocarpa, a neglected genus of ferns. Novem- 



ber 21, 1911. 4 pp., 1 pi. (Pub. No. 2054.) 



24. Maxon, William R. A remarkable new fern from Panama. No- 



vember 22, 1911. 5 pp., 3 pis. (Pub. No. 2055.) 



25. Mearns, Edgar A. Descriptions of seven new African grass- 



warblers of the genus Cisticola. November 23, 1911. 6 pp. 

 (Pub. No. 2056.) 



26. Hollister, N. Four new: mammals from the Canadian Eockies. 



December 5, 1911. 4 pp. (Pub. No. 2062.) 



27. Goldman, E. A. A new kingfisher from Panama. December 1, 



1911. 2 pp. (Pub. No. 2058.) 



28. Mearns, Edgar A. Description of a new species of sunbird, 



Helionympha raineyi, from British East Africa. November 

 28, 1911. 1 p. (Pub. No. 2059.) 



29. Maxon, William E. Three new club-mosses from Panama. Jan- 



uary 6, 1912. 4 pp., 3 pis. (Pub. No. 2064.) 



30. Bent, A. C. A new subspecies of Ptarmigan from the Aleutian 



Islands. January 6, 1912. 2 pp. (Pub. No. 2066.) 



31. Willis, Bailey. Eeport on an investigation of the geological 



structure of the Alps. February 7, 1912. 13 pp. (Pub. No. 

 2067.) 



