the Birds of the Island of Formosa. 263 
Demiegretta sacra Sharpe, Cat. Birds B. M. xxvi. pp. 187, 
274 (1898) [part.]. 
Swinhoe’s Egret is resident in North Formosa. Mr. Rickett 
has clearly pointed out the distinguishing characters of the 
species, and, in our opinion, has shown it to be quite distinct 
from D. sacra. 
179. +Nycricorax nycricorax (Linn.). 
Nycticorax griseus (Linn.) ; Swinh. Ibis, 1863, p. 428. 
Nycticorax nycticoraey Sharpe, Cat. Birds B. M. xxvi. 
pp. 146, 275. 
The Night-Heron is a common resident in Formosa. 
180. +Buroripes savanica (Horsf.). 
Butorides javanica Swinh. Ibis, 1863, p. 420; Sharpe, Cat. 
Birds B. M. xxvi. pp. 177, 279 (1898). 
Butorides macrorhynchus Gould; Swinh. P. Z. 8. 1871, 
p. 418. 
The Little Green Heron is abundant in all marshy grounds 
throughout Formosa in summer; a few individuals also occur 
in winter. 
181. +BuBuLcus coromanovws (Bodd.). 
Buphus coromandus Swinh. Ibis, 1863, p. 419. 
Bubulcus coromandus Swinh, P. Z. 8. 1871, p. 412; 
Sharpe, Cat. Birds B. M. xxvi. pp. 217, 283 (1898). 
The Cattle-Egret is a summer visitant to Formosa. 
182. +ARDETTA CINNAMOMEA (Gmel.). 
Ardetta cinnamomea Swinh. Ibis, 1863, p. 422; Sharpe, 
Cat. Birds B. M. xxvi. pp. 236, 285 (1898). 
The Chestnut Bittern is abundant in summer, a few 
individuals remaining throughout the winter. 
183. ARDETTA SINENSIS (Gmel.). 
Ardetta sinensis Swinh. Ibis, 1863, p. 422; Sharpe, Cat. 
Birds B. M. xxvi. pp. 227, 283 (1898). 
Swinhoe obtained one specimen of the Yellow Bittern at 
Tamsui in April: Holst also procured a young bird. 
