Jan., 1909. Annual Report of the Director. 283 



HAMILTON SCIENTIFIC ASSOCIATION, Hamilton, Canada. 



Journal and proceedings, sessions 1905-6, 1906-7. 

 HANNOVER. NATURHISTORISCHE GESELLSCHAFT, Hannover, Ger- 

 many. 



Jahresbericht, 1904-7. 

 HANNOVER. STADT-BIBLIOTHEK, Hannover, Germany. 



Cataloge. 

 HARRIS, G. D., Syracuse, New York. 



1 pamphlet. 

 HARTLAND, E. SYDNEY. 



1 pamphlet (gift). 



HARVARD COLLEGE, Cambridge, Massachusetts. 

 Annual report, 1906-7. 



2 pamphlets. 



Museum of Comparative Zoology: 



Annual report, 1907-8. 



Bulletin, current numbers. 



Memoirs, current number. 

 HARVARD UNIVERSITY, Cambridge, Massachusetts. 



Catalogue, 1907-8. 



Report, 1906-7. 



Gray Herbarium: 



Bulletin, current numbers. 

 HATCH AGRICULTURAL EXPERIMENT STATION, Amherst, Massa- 

 chusetts. 



Bulletin, current numbers. 

 HAUSWALDT, HANS, Magdeburg, Germany. 



Interferenz-erscheinungen um polarisiriten licht, pt. 3 (gift) 

 HAWAII AGRICULTURAL EXPERIMENT STATION, Honolulu, Ha- 

 waiian Islands. 



Annual report, 1907. 



Bulletin, current numbers. 

 HAWAIIAN SUGAR PLANTERS' ASSOCIATION, Honolulu, Hawaiian 

 Islands. 



Bulletin, current numbers. 

 HAYNES, CAROLINE O, New York City. 



3 pamphlets (gift). 



HEIDELBERG. UNIVERSITATS-BIBLIOTHEK, Heidelberg, Germany. 



26 inaugural dissertations. 

 HELM, ALBERT, Zurich, Switzerland. 



1 pamphlet. 

 HELLER, A. A., Las Vegas, New Mexico. 



Muhlenbergia, current numbers. 

 HITCHCOCK, C. H., Hanover, New Hampshire. 



1 pamphlet. 

 HONGKONG BOTANICAL AND FORESTRY DEPARTMENT, Hong- 

 kong, China. 



Report, 1907. 



