330 NOTES AND COMMENT 



The chair of tropical forestry recently established in the Yale Forest 

 School has been filled by the appointment of Dr. H. N. Whitford, who 

 is well known for his investigations in the Philippine Islands, and has 

 been more recenth^ engaged in work for the Canadian Commission of 

 Conservation in British Columbia. During the present year Dr. Whit- 

 ford is offering a general course of lectures on tropical forestry and a 

 course on wood structure. The practical work in connection with these 

 courses will be carried on in South America. 



The University of Vermont has published a new bulletin entitled 

 The Trees of Vermont, prepared by Professor George P. Burns and 

 Professor C. H. Otis. The usual keys, descriptions and notes regard- 

 ing habitat and distribution are given for the native trees, and a series 

 of drawings and descriptions make possible the identification of the 

 wood of some of the commonest species. 



The Department of the Interior has issued a portfolio of booklets 

 describing nine of the leading National Parks of the United States. 

 The numerous and excellent illustrations give the portfolio a substantial 

 value to everyone who is interested in the larger aspects of nature. 



Professor Frank L. Stevens has published a monograph of the Porto 

 Rican species of Meliola, a tropical genus of ascomycetous fungi para- 

 sitic on the leaves of a wide range of higher plants (Illinois Biological 

 Monographs, II, 4). 



