SECRETARY'S REPORT 23 



Field; and 5,746 Lepidoptera (including 760 reared specimens) and 

 155 Diptera from the Island of Rapa, contributed by Dr. and Mre. 

 J. F. Gates Clarke. Dr. William L. Stern, Department of Botany, 

 presented 134 Philippine butterflies and moths ; C. W. Sabrosky, U.S. 

 Department of Agriculture, contributed 297 North American flies; 

 2,718 North American flies were received from Dr. C. P. Alexander 

 of Amherst, Mass. ; 92 Asian flies, including 1 holotype and 9 para- 

 types, came from Dr. Edward L. Coher of Waltham, Mass. ; Dr. D. 

 Elmo Hardy, Honolulu, presented 146 South American flies, including 

 4 holotypes and 2 allotypes; and 103 Japanese moths were received 

 from Dr. H. Kuroko of Fukuoka Prefecture, Japan. By transfer, 

 45,004 specimens, including all groups of insects, were received from 

 the Insect Identification and Parasite Introduction Branch, U.S. 

 Department of Agriculture. 



The division of Myriapoda and Arachnida received some extremely 

 valuable material totaling 4,369 specimens in 32 transactions. H. F. 

 Loomis continued to enrich our millipede collection with approximately 

 300 Neotropical specimens, both typical and ordinary ; Dr. G. E. Ball, 

 University of Alberta, Edmonton, Alberta, presented 425 centipedes 

 from Canada, southwestern United States, and Mexico. Dr. R. L. 

 Hoffman, Radford College, Blacksburg, Va., sent 160 centipedes 

 and millipedes, including types of the latter from the United 

 States ; Curator Ralph Crabill contributed 1,100 centipedes from upper 

 Bavaria and Austria, including many specimens otherwise known only 

 from the types; Dr. Nell B. Causey, Fayetteville, Ark., donated 215 

 centipedes from Arkansas and southeastern United States. 



The most important single accession received in the division of 

 neuropteroids consists of a synoptic collection of African dragonflies 

 and damselflies received from Dr. E. C. G. Pinhey, Bulawayo, South- 

 ern Rhodesia; 2,421 identified North American aquatic insects were 

 received from Dr. Stanley G. Jewett, Jr., Portland, Greg. ; Dr. A. E. 

 Brower, Augiista, Maine, presented 4,296 caddisflies from northeastern 

 United States; from Fritz Plaumann, Nova Teutonia, Brazil, 4,002 

 caddisflies were acquired by purchase; Dr. A. B. Gurney, Insect 

 Identification and Parasite Introduction Research Branch, U.S. De- 

 partment of Agriculture, presented 1,882 grasshoppers and lacewings 

 from Texas and Virginia; Dr. O. S. Flint, Jr., of this division, col- 

 lected and presented 6,768 caddisflies. 



Botany. — An excellent set of 1,859 plants collected on the British 

 Solomon Islands by T. C. Whitmore was received from the Forestiy 

 Department at Honiara. Mrs. Paul Bartsch presented the herbarium 

 of the late Dr. Paul Bartsch consisting of 10,220 plants from Iowa and 

 Virginia, many of them of historical interest. Also received as gifts 

 were 482 plants of Bolivia from M. Cardenas, Cochabamba, Bolivia ; 



