THE BIRDS OF NORTHERN THAILAND 7 



sive series of birds and other animals, again for the Academy of 

 Natural Sciences. With the exception of a week spent in the Southern 

 Shan State of Kengtung, three months were devoted to collecting in 

 the provinces of Chiang Mai, Lampang, and Chiang Rai, as follows : 



December 9, 1932, Chiang Mai. 



December 10-12, 1932, Doi Sutbep. 



December 13, 1932, Chiang Mai. 



December 14, 1932, Mae Taeng, Chiang Dao. 



December 16-18, 1932, Chiang Mai. 



December 19, 1932, Mae Taeng. 



December 20, 1932, Chiang Mai. 



December 21-29, 1932, Doi Suthep. 



December 31, 1932, Chiang Mai. 



January 1-3, 1933, Khun Tan, Doi Suthep. 



January 4-5, 1933, Doi Suthep. 



January 7-8, 1933, Chiang Dao. 



January 9, 1933, Ridge south of Doi Chiang Dao. 



January 10, 1933, Ridge opposite Doi Chiang Dao. 



January 11-22, 1933, Doi Chiang Dao. 



January 23, 1933, Chiang Dao. 



January 24-26, 1933, Chiang Mai. 



January 27, 1933, "Tung Sio". 



January 28, 1933, "Tung Sio," Chiang Mai. 



January 29, 1933, Chiang Mai. 



January 30, 1933, Chiang Mai, Mae Rim. 



January 31, 1933, Chiang Mai. 



February 1, 1933, Chiang Mai. 



February 2-7, 1933, Doi Suthep. 



February 10, 1933, 55 km. northeast of Lampang. 



February 11-13, 1933, Chiang Saen Kao. 



February 14-20, 1933, Kengtung State (extra-limital). 



February 21-23, 1933, Chiang Rai. 



February 25-28, 1933, Doi Suthep. 



March 1-3, 1933, Doi Suthep. 



During the years 1933-1938, northern Thailand was visited at least 

 three times by Asiatic collectors in de Schauensee's employ. The first 

 of these brief trips was made by Y. Siah, a well-known taxidermist 

 of Bangkok, who took birds on Doi Suthep from July 4 to 23, 1933. 

 In March and April 1935, Layang Gaddi went to Kengtung State and 

 collected a limited number of specimens in the Ban Chong hills, the 

 low mountains that are visible to the north from the Chiang Rai- 

 Chiang Saen highway. In January and February 1938, Lucas Bah 

 made an interesting collection on the ornithologically unknown 

 mountain Doi Pha Horn Pok. 



The present writer resided at Chiang Mai as a master at the Prince 

 Royal's College from November 21, 1928, to the end of March 1932. 

 During this period no birds at all were collected before the middle of 

 September 1930 ; thereafter a small collection was made in the interest 

 of the Princeton Museum of Zoology, the specimens coming almost 



