RKPOllT OF XATIOXAL :\iU,SEU:M, 1!)20. 97 



Zoology, Universit}' of Californiii; Dr. Iv. W. ShufelJt, Wtislniiirton 

 City; and Mr. Arthur T. WiiA'iie, ^Sloiint Pleasant, South Carolina. 

 From the division of reptiles and batrachians specimens ^vere 

 loaned to Miss ]\I. C. Dickerson and Mr. G. K. Xoble, of the American 

 Museum of Natural History; Dr. Thomas Barbour, and Mr. Emmett 

 I\. Dunn, of the Museum of Comparative Zoology; and to Dr. F. N. 

 Blanchard, of the INIuseum of the University of Michigan. One speci- 

 men of fish was forAvarded to Dr. Einar Koefoed, of the Zoological 

 Museum, Copenhagen, Denmark. A larger number of insects than 

 usual were sent to outside entomolgists, the larger shipments being- 

 directed to Dr. F. F. Laidlaw, Hyefield, Devon, England (dragon- 

 flies) ; Prof. James S. Iline, Columbus, Ohio (Diptera) : Mv. L. H. 

 Taylor, Bussey Institution, Boston, Massachusetts (cuckoo wasps) ; 

 Mr. Clarence E. ISlickel, University of Nebraska (velvet ants) ; Mr. 

 H. M. Parshley, Smith College, Northampton, Massachusetts (Hemip- 

 tera) ; and Mr. J. R. Malloch, Urbana, Illinois (Diptera). Marine 

 invertebrates were sent to Dr. L. A. Borradaile, Selwyn College, 

 Cambridge, England (crustaceans) ; Dr. Leo J. Cole, UniA'ersity of 

 Wisconsin (pjTnogonids) ; Mr. Frits Johansen, Geological Survey, 

 Ottawa, Canada (phyllopods) ; and to Dr. 11. A. Pilsbry, Academy of 

 Natural Sciences, Philadelphia, Pennsylvania (xVfrican mollusks). 

 The number of specimens of plants lent to institutions or to indi- 

 viduals outside of Washington for study during the year was con- 

 siderably larger than for the past two years, namely, 4,482. Of these 

 the following deserve special notice : 222 specimens of Poly podium 

 lent to the Gray Herbarium for study by INIr. C. A. Weatherby, who 

 is engaged in a monographic study of the difficult group of Pohj- 

 fod'min lanceolatum ; 44 specimens of Mikania lent to the Gray Her- 

 barium for study by Prof. B. L. Robinson, who is engaged upon a 

 revision of the South American members of this genus; 175 speci- 

 mens of Ruhlaceae lent to the College of Hawaii, Honolulu, HaM'aiian 

 Islands, for study by Prof. J. F. Rock, for use in connection with his 

 monographic study of the Hawaiian members of this family; 135 

 North American specimens of Carex lent to ]\Ir. K. K. Mackenzie, 

 Maple wood, New Jersey, for stud}' in connection with his mono- 

 graphic work upon the genus Carex; 128 specimens of Scrophular'ia- 

 ceae lent to the Missouri Botanical Garden for study by Mrs. Adele 

 Lewis Grant, chiefly in connection with a monograph of the North 

 American species of MimuluH; 541 specimens of LeHquereJla and 

 Synthlijysls lent to the Missouri Botanical Garden for study b}'- Mr. 

 E. B. Payson, who is engaged upon a revision of these two genera ; 

 280 specimens lent to the New York Botanical Garden for study by 

 Dr. P. A. Rydberg, the greater part of these belonging to the difficult 

 9525°— 2h'3 — -7 



