REPORT OK ASSISTANT SECHETAKY. 75 



collaiioous pliiiits to the Now York Botanical (Tardoii; 574 Al<>-a> to Mr. 

 W. A. Srtcliell; 140 .sptM'iiiKMis of K///-(/////>f>/s to the Botanical (iardcii, 

 Sydney, New South Wales. 



The shells of the family Achatiuellidie which were in the possession 

 of the late Prof. Alpheus Hyatt at the time of his death werc^ trans- 

 ferred to Prof. A. Ct. Mayer, of lirooklyn, who is (Mioiio'ed in com- 

 pletino- I'rofessor Hyatt's unfinished woi'k. 



liABOUATORY USK OF Til K (X)LLKGTTONS I'.V INVKS TIO A TOKS AND 



STUDENTS. 



In addition to the use made of the collections hy the s])ecialists to 

 whom specimens wer(^ sent, various iiiAi^stioators and students work 

 in the laboratories every 3'(>ar for longer or shoi'ter ))ei'iods. A yreat 

 deal of such work is don(> f»y the scientitic statf of the various bureaus 

 of the li. S. Department of Aii'riculture which are coiuMU-ned in 

 zooloL^ical and botanical i-(\searches and by the oflicers of I Ik- W S. 

 Fish Commission. Dr. E. A. M<nirns, V. S. Army, s})ent the summer 

 and early autumn of P.Mil in work on the natural history of the Mex- 

 ican boundary. Dr. D. (J. P^lliot, Field t'olund»ian Museuiu, spent a 

 few \v(H>ks in rlanuary and Februai'v, liMliJ, in examinino- Mexican and 

 Central American mammals. Mr. Outram Bangs, Museum of Com- 

 parative Zoology, spent some time in studj^ing South American and 

 Japanese birds. Mr. Frank M. Chapnran, American Museum of Nat- 

 ural History, examininl the collections of South American, and espe- 

 cially Peruvian, birds. Mrs. Florence M. Bailey made some in\'esti- 

 gations on the l)ird collections preparatory to the publication of a 

 work on the l)irds of Avestern North Anun-ica. 



Prof. W. P. Hay continued the work on i\n\ crayfishes mentioned 

 last year, and rendered valuable assistance to the Museum by idcMiti- 

 fying recent additions to the collections. Mr. T. Waylaiid Vaughan 

 continued work on the geiuu'al collections of corals, as o])i)ort unities 

 occur I'ed. 



Numerous specialists and students examined various poiTions of the 

 collections of insects. 



Dr. N. L. l^ritton, director of the New York Botanical Garden, was 

 a frequent visitor to the Herbariuin during the year, especially in 

 connection with his studies on the Crassulacea' and Cyperacea». The 

 collection repi-esenting the genus Plantaijo was studied by Mr. P]. L. 

 Morris, director of biology in the high schools of Washuigton City. 

 Dr. P. A. Rydberg examined the Rocky Mountain plants, Dr. Charles 

 F. Millspaugh the plants of Yucatan, Dr. L. M. Underwood the fern 

 collection, and Mrs. E. G. Britton the mosses. Prof. PI L. Greene, 

 of the Catholic University of America, was a frequent visitor to the 

 Herbarium, and Mr. J. B. Lei)>erg devotcnl much time during the 



