SECRETARY'S REPORT 15 



Africa donated by Dr. Karl Lang, Naturhistoriska Riksmuseet, 

 Stockholm, Sweden; 1,828 shrimps, crayfishes, and other inverte- 

 brates given by Dr. Horton H. Hobbs, Jr., University of Virginia; 

 160 identified specimens of 13 species of mysidacean crustaceans from 

 the vicinity of Plymouth, England, presented by Dr. Olive S. Tat- 

 tersall, through Dr. Isabella Gordon; and 2 specimens of Cephalo- 

 carida, the recently discovered crustacean subclass, received from 

 Howard L. Sanders, Woods Hole Oceanographic Institution. 

 Donors of type material included the late Dr. Raymond C. Osburn, 

 Ohio State University; Dr. E. Ruffin Jones, University of Florida; 

 Maureen Downey, Beaufort, N. C. ; Dr. Trevor Kincaid, Seattle, 

 Wash.; Mrs. Mildred S. Wilson, Anchorage, Alaska; Dr. J. T. 

 Penney, University of South Carolina ; Gordon Clark, University of 

 Maryland; Dr. Alejandro Villalobos F., Instituto de Biologia, 

 Mexico; Dr. N. T. Mattox, University of Southern California; and 

 the Scripps Institution of Oceanography, University of California. 

 Among the outstanding mollusk accessions for the year may be enu- 

 merated the following : 2,900 Australian specimens donated by Samuel 

 W. Rosso, Hattiesburg, Miss. ; the deposit of 1,380 mollusks received 

 from the Smithsonian-Bredin Caribbean Expedition; 673 specimens 

 of land and fresh-water snails from Libya, collected by Dr. Rolf 

 Brandt, and purchased through the Frances Lea Chamberlain Fund ; 

 900 specimens of land and fresh-water mollusks from the Solomon 

 Islands, New Britain, and New Caledonia, from James R. Hood; 

 and 84 marine mollusks from South x\f rica, received from the Univer- 

 sity of Cape Town, through Prof. J. H. Day. Types of helminths 

 were donated by Dr. Elon E. Byrd, Athens, Ga.; Dr. Thomas C. 

 Cheng, Charlottesville, Va. ; Dr. Paul R. Burton, Coral Gables, Fla. ; 

 and Dr. Leland S. Olsen, Lincoln, Nebr. 



Botany. — An important collection of 196 type specimens of Central 

 American plants was contributed by the Escuela Agricola Panameri- 

 cana. Other gifts included 210 specimens of plants of Iran co]lected 

 and presented by Justice William O. Douglas ; and 697 Cuban plants 

 from Manuel Lopez Figueiras, Santiago de Cuba. Dr. A. C. Smith 

 obtained 4,047 specimens of West Indian plants on the Smithsonian- 

 Bredin Caribbean Expedition, and C. V. Morton collected 4,927 

 specimens of plants in Cuba. E. P. Killip obtained 1,505 specimens 

 for the Institution on the Isle of Pines, Cuba, and in southern Florida 

 and Texas. 



Among the interesting collections received in exchange were 800 

 Brazilian plants, mostly from the Amazon region, from the Instituto 

 Agronomico do Norte, Belem, Para, Brazil ; 1,640 plants of Ecuador 

 obtained by Dr. Eric Asplund; 1,058 specimens collected in His- 

 paniola by E. L. Ekman from the Naturhistoriska Riksmuseet, Stock- 



