30 Report of the President 



the United States National Museum, in Miss Rathbun's Mono- 

 graph on the Grapsoid Crabs of America (by special arrange- 

 ment with Dr. C. H. Townsend). 

 XII. The Macrura and Anomura of the Lower California Region. 

 By Waldo L. Schmitt. In preparation. 



XIII. The Isopods of the Lower California Region. By Mrs. Harriet 



Richardson Searle. In preparation. 



XIV. The Bryozoa of the Lower California Region. By Raymond C. 



Osburn. In preparation. 



To the above list of zoological papers is to be added a series 

 of botanical papers, which constitutes a most important con- 

 tribution especially to our knowledge of the cactus family : 



The Agaves of Lower California. By William Trelease. Rept. Mo. 



Bot. Gard., 1911. 

 Botanical Exploration in Lower California. By J. N. Rose. Jour. N. Y. 



Bot. Gard., Dec, 191 1. 

 Monograph of the Huyese. By Smith and Rose. Cont. U. S. Nat. Mus., 



Vol. 16, Pt. 12. 

 Mamillaria arida, Rose. Monatsschr. f. Kakteenkund, Vol. 23. 

 The Cactacese. By N. L. Britton and J. N. Rose. Carnegie Institution 



of Washington Publication No. 248. Vol. I, 1919; Vol II, 1920. 



The Museum's collections of birds, of fishes, of reptiles, and 

 of mammals were greatly enriched by additions from this bar- 

 ren and inhospitable peninsula of Lower California. Among 

 the discoveries of greatest interest in the mammalian line was 

 a superb colony, on the Island of Guadalupe, of the northern 

 elephant seal, a group of which has recently been mounted 

 (as shown in the accompanying plate) as the gift of Mr. 

 Arthur Curtiss James, and which ultimately will find its way 

 into the Oceanographic Hall. 



PUBLICATION OF THE ZOOLOGY OF THE CONGO 



Still more gratifying, because on a very much larger scale, 

 is the rapid progress being made in the preparation and publi- 

 cation of researches covering the great collections made by the 

 Congo Expedition of the American Museum of Natural His- 

 tory, under Mr. Herbert Lang assisted by Mr. James P. 

 Chapin, in the Congo during the years 1909-1915. The entire 

 collection has been catalogued with its invaluable field notes 

 and confirms our earlier report that it is the most complete and 

 most carefully annotated collection which has ever been 



