SECRETARY’S REPORT 23 
curator of phanerogams, remained in New Zealand for about 6 weeks 
at the invitation of the University of New Zealand to carry on botan- 
ical field work on the two main islands and on Stewart Island. Jason 
R. Swallen, curator of grasses, at the request of Dr. C. L. Lundell, 
director of the Texas Research Foundation, made a survey of the 
grasses of the Kingsville region, Texas. George A. Llano, associate 
curator of cryptogams, is making a special study of the ecology of the 
lichens of the Arctic slopes of the Brooks Mountains in northern 
Alaska under a project sponsored by the Arctic Institute of North 
America. Paul S. Conger, associate curator of diatoms, devoted 2 
months during the summer of 1948 to an investigation of the ecology 
of diatoms at the Chesapeake Biological Laboratory, Solomons Island, 
Md. Research Associate F. A. McClure continued his field studies of 
American bamboos in Guatemala, El Salvador, Honduras, Puerto 
Rico, Jamaica, and Trinidad. 
A wide variety of paleontological field work financed by the Walcott 
bequest enabled the staff to obtain new materials for the collections. 
Included among these additions are fossil fishes from the Green River 
Eocene beds in northeastern Utah and the Pierre Cretaceous deposits 
in eastern Wyoming excavated by Dr. D. H. Dunkle and A. C. 
Murray; Eocene mammalian fossils from the Bridger Basin in western 
Wyoming collected by Dr. C. L. Gazin; Paleocene mammalian fossils 
found by Dr. C. L. Gazin and F. L. Pearce in the San Juan Basin of 
northwestern Utah; Permian and Mississippian invertebrate fossils 
obtained by Dr. G. A. Cooper and Dr. A. R. Loeblich, Jr., in Texas 
and Oklahoma; Devonian, Mississippian, and Pennsylvanian fossils 
from New Mexico and Texas collected by A. L. Bowsher and 
William Allen; and Jurassic microfossils from Montana, Wyoming, 
and South Dakota obtained by Dr. A. R. Loeblich, Jr., and Dr. Ralph 
W. Imlay. 
PUBLICATIONS 
Thirty-one Museum publications were issued during the year: 1 
Annual Report, 3 in the Bulletin series, 25 in the Proceedings, and 2 
numbers of the Contributions from the United States National Her- 
barium. A list of these is given in the complete report on Smithsonian 
publications, appendix 12. Especially noteworthy are two numbers 
of A. C. Bent’s Life Histories of North American Birds: one on the 
nuthatches, wrens, thrashers, and their allies, the other on the thrushes, 
kinglets, and their allies—completing 17 volumes in this popular 
series. The eighteenth is now in press. 
The distribution of volumes and separates to libraries and other 
institutions and to individuals aggregated 66,459 copies. 
866591—50-—3 
