Spring Migration at Chinwangtao. 583 



161. Ardea manillensis Meyer. 



1911. April 14 (many). 

 191.3. May 11 (1). 



163. BOTAURUS STELLARIS (L.). 



191.3. March 30 (1 at Hsieh Chia Yiiig). 



163. Nyctiardea nycticorax (L.). 



1913. March 29 (1 at Hsieh Chia Ying). April 29 (1). 



164. Ardetta eurythma Swiiihoe. 



1911. May 28 (1). 

 1913. May 20 (1). 



165. EuTORiDEs amurensis (Sclirenck). 

 1913. May 31 (1). 



166. Anser rubrirostris Hodgson. 



1913. March 27 (1 at Hsieh Chia Ying), 29 (5 at same place). 



167. Anser segetum (Gm.). 



1911. March 31 (1 purchased). 



191.3. March 19 (2 shot), 20 (1 shot), 26 (2 shot), 29 (2 shot). 



168. Anser serrirostris Swinhoe. 



1912. March 10 (a large flock). 



1913. March 15 (1 shot). 



169. Anser middenborffi Severtz. 

 1913. March 29 (1 shot). 



170. Anser albifrons (Gm.). 



1911. March 15 (a flock). April 14 (10). 



171. Anser erythropus (L.). 

 1911. April 14 (a flock). 



1913. April (a flock most probably of this species). 



173. Anser sp. 



1911. Feb. 27 (a flock), 28 (2 flocks). March 3 (passing), 4 (a flock), 

 5 (several flocks to S.W.), 12 (several flocks to S.W.), 

 19 (a great many passing), 20 to 23 (many flocks passing), 

 26 (many flocks passing, some settled), 28 (passing). 

 April 9 (3), 10 (several flocks), 11 (a few flocks), 12 (hun- 

 dreds on the flats), (1 flock passing), 13 (3 flocks), 14 

 (1 flock on the flats and many passing birds), 16 (seen on 

 the plain). 



