EEPOET OF THE SECEETAEY. 105 



Volume 51. 



No. 9. New York Potsdam-Hoyt Fauna. By Charles D. Walcott. Published 



September 14, 1912. 54 p., 13 pis. (Publ. 213G.) 

 No. 10. Group terms for lower and upper Cambrian series of formations. By 



Charles D. Walcott. September 16, 1912. 3 p. (Publ. 2137.) 



Volume 58. 



No. 2. Bibliography of the geology and mineralogy of tin. By Frank L. and 



Eva Hess. July 29, 1912. v, 408 p. (Publ. 1987.) 

 Title-pages and contents. December 31, 1912. v p. (Publ. 2160.) 



Volume 59. 



No. 11. Expeditions organized and participated in by the Smithsonian Institu- 

 tion in 1910 and 1911. July 17, 1912. 51 p.. 1 pi., 5G figs. (Publ. 

 2087.) 



No. 16. New Rodents from British East Africa. By Edmund Heller. July 5, 

 1912. 20 p. (Publ. 2094.) 



No. 17. New Diptera from Panama. By J. R. Malloch. July IS, 1912. 8 p. 

 (Publ. 2133.) 



No. 18. New species of landshells from Panama Canal Zone. By William H. 

 Dall. July 27, 1912. 3 p., 2 pis. (Publ. 2134.) 



No. 20. The recognition of Pleistocene faunas. By Oliver P. Hay. August 17, 

 1912. 16 p., 10 figs. (Publ. 2139.) 



Volume 60. 



No. 1. Three new species of Pipunculidse (Diptera) from Panama. By J. R. 

 Malloch. September 6, 1912. 4 p., 3 figs. (Publ. 2141.) 



No. 2. New mammals from eastern Panama. By E. A. Goldman. September 

 20, 1912. 18 p. (Publ. 2142.) 



No. 3. Descriptions of new genera, species, and subspecies of birds from Pan- 

 ama, Colombia, and Ecuador. By E. W. Nelson. September 27, 1912. 

 25 p. (Publ. 2143.) 



No. 4. Rubelzul cotton : A new species of Gossypium from Guatemala. By Fred- 

 erick L. Lewton. October 21, 1912. 2 p., 2 pis. (Publ. 2144.) 



No. 5. Kokia : A new genus of Hawaiian trees. By Frederick L. Lewton. 

 October 22, 1912. 4 p., 5 pis. (Publ. 2145.) 



No. 6. The cotton of the Hopi Indians : A new species of Gossypium. By Fred- 

 erick L. Lewton. October 23, 1912. 10 p., 5 pis. (Publ. 2146.) 



No. 7. Descriptions of one hundred and four new species and subspecies of birds 

 from the Barussan Islands and Sumatra. By Harry C. Oberholser. 

 October 26, 1912. 22 p. (Publ. 2147.) 



No. 8. New genera and races of African ungulates. By Edmund Heller. No- 

 vember 2, 1912. 16 p. (Publ. 2148.) 



No. 9. A recent meteorite fall near Holbrook, Navajo County, Arizona. By 

 George P. Merrill. November 21, 1912. 4 p. (Publ. 2149.) 



No. 10. The crinoids of the Natural History Musuem at Hamburg. By Austin 

 Hobart Clark. November 7, 1912. 33 p. (Publ. 2150.) 



No. 11. A fossil toothed cetacean from California, representing a new genus and 

 species. By Frederick W. True. November 1, 1912. 7 p., 2 pis. 

 (Publ. 2151.) 



No. 12. New races of insectivores, bats, and lemurs from British East Africa. 

 By Edmund Heller. November 4. 1912. 13 p. (Publ. 2152.) 



