262 Messrs. Ogilvie-Grant and La Touche on 
ARDEIDE. 
173. +Gorsacuius coisaci Temm. 
Ardea goisagi Swinh. Ibis, 1865, p. 358. 
Gorsachius goisayi Swinh. op. cit. 1866, p. 403 ; Sharpe, 
Cat. Birds B. M. xxvi. pp. 169, 277 (1898). 
The Japanese Bittern visits N. Formosa in winter. 
174. +Gorsacnius MELANOLOPHUS (Rafil.). 
Gorsachius goisagi Swinh. (nec Temm.) Ibis, 1866, p. 122. 
Gorsachius melanolophus Sharpe, Cat. Birds B. M. xxvi. 
pp. 166, 277 (spec. k’, U’) (1898). 
The Malay Bittern occasionally visits South Formosa in 
winter. Swinhoe obtained two immature specimens. 
175. +ARDEA CINEREA Linn. 
Ardea cinerea Swinh. Ibis, 1863, p. 417; La Touche, 
op. cit. 1895, p. 306. 
~ This Heron is a common resident. 
176. +Heroptas carzerra (Linn.). 
Herodias garzetta Swinh. Ibis, 1863, p. 417. 
The Little Egret is resident in Formosa. 
177. Heropias auBa (Linn.). 
Herodias alba Swinh. Ibis, 1863, p. 417; Sharpe, Cat. 
Birds B. M. xxvi. p. 90 (1898) ; Rickett, Ibis, 1903, p. 220. 
Ardea alba Lia Touche, op. cit. 1895, p. 306. 
Herodias timoriensis Sharpe, Cat. Birds B. M. xxvi. pp. 98, 
270 (1898). 
The Great White Heron is common in Formosa in winter, 
There is not the slightest doubt that adults from China 
assume a black (very dark green) bill in summer. ‘The 
train of six males in La Touche’s collection extends 
from 3°6 to 65 inches beyond the tail; that of three 
females from 1°6 to 3°5 inches [see Swinhoe, P. Z. 8. 1871, 
p. 412 (#. modesta Gray) |. 
178. +Hxrropias EULOPHOTES Swinh. 
Herodias eulophotes Swinh. Ibis, 1860, p. 64; 1863, 
p. 418; Rickett, op. cit. 1903, pp. 220, 221. 
