76 REPORT OF NATIONAL MUSEUM, 1912. 



Report for x911, volumes 39, 40, and 41 of the Proceedings, partly 

 printed the previous year, and 3 Bulletins, as follows : No. 50, Part V, 

 " The Birds of North and Middle America," by Robert Ridgway, con- 

 taining 859 pages of text and 33 plates, and descriptive of the tap- 

 aculos, antbirds, ovenbirds, woodhewers, humming birds, swifts, and 

 trogons; No. 77, "The Early Paleozoic Bryozoa of the Baltic Prov- 

 inces," by Ray S. Bassler; and No. 78, " Catalogue of a Selection of 

 Art Objects from the Freer Collection exhibited in the new building 

 of the National Museum April 15 to June 15, 1912." Of the papers 

 issued in separate form in a small edition for special and early dis- 

 tribution, the titles of which will be found in the list of publica- 

 tions at the end of this report, 26 belonged to volume 41 and 27 to 

 volume 42 of the Proceedings, and 5 to volumes 13, 14, and 16 of the 

 Contributions from the United States National Herbarium, wdiile 1 

 was a revision of Part N of Bulletin No. 39, entitled " Directions 

 for Preparing Specimens of Mammals," by Gerrit S. Miller, jr. The 

 total number of copies of Museum publications sent out during the 

 year was about 67,000. 



In addition to the above, 31 papers bearing upon the collections of 

 the Museum were published in the Miscellaneous Collections of the 

 Smithsonian Institution, volumes 56, 57, and 59. Four b}^ Dr. 

 Charles D. Walcott, Secretary of the Institution, on Cambrian geol- 

 ogy and paleontology, were entitled, " Middle Cambrian Annelids," 

 " Middle Cambrian Branchiopoda, Malacostraca, Trilobita, and 

 Merostomata," " Cambro-Ordovician boundary in British Columbia, 

 with description of fossils," and " The Sardinian Cambrian genus 

 Olenopsis in America." The others were as follows: "A new sub- 

 species of ptarmigan from the Aleutian Islands " and " Notes on 

 birds observed during a brief visit to the Aleutian Islands and 

 Bering Sea in 1911," by A. C. Bent; "Descriptions of new genera 

 and species of Microlepidoptera from Panama," by August Busck; 

 " On Psomiocarpa, a neglected genus of ferns," by Dr. H. Christ ; 

 " New species of fossil shells from Panama and Costa Rica collected 

 by D. F. MacDonald," and " Report on landshells collected in Peru in 

 1911 by the Yale Expedition under Professor Hiram Bingham, with 

 descriptions of a new subgenus, a new species, and new varieties," 

 by William Healey Dall ; "A new kingfisher from Panama " and 

 ".Descriptions of twelve new species and subspecies of mammals from 

 Panama," by E. A. Goldman; " Four new mammals from the Cana- 

 dian Rockies," "New mammals from Canada, Alaska, and Kam- 

 chatka," and " Description of a new subspecies of monkey from Brit- 

 ish East Africa," by N. Hollister; "The natives of Kharga Oasis, 

 Egypt," by Ales Hrdlicka ; "A remarkable new fern from Panama " 

 and " Three new club-mosses from Panama," by William R. Maxon ; 

 " Descriptions of seven new African grass-warblers of the genus Cis- 



