Ornithology of Sardinia . 311 



gration. This species is not very common, being merely a 

 bird of passage ; none remain to breed. 



196. Egretta alba. 

 Very common in winter. 



197. Egretta garzetta. 



Common all the year, frequenting the large lagoons. Their 

 numbers are increased during winter. 



198. Buphus BUBULCUS. 



Of rare and doubtful occurrence. 



199. Buphus ralloides. 

 Passes in spring. 



200. Ardeola minuta. 



Like the preceding species passes in spring, but is not 

 common. 



201. BOTAURUS STELLARIS. 



A winter visitor. I never met with any myself; but I be- 

 lieve they are not uncommon. 



202. Nycticorax griseus. 



Passes in spring. A few remain during winter. 



203. ClCONIA ALBA. 



Of rare and accidental occurrence. 



204. ClCONIA NIGRA. 



Commoner than the preceding species. Salvadori mentions 

 having seen some in January at the mouth of the river Fan- 

 gario, near Cagliari. 



205. Platalea leucorodia. 



Not uncommon during winter. There are several speci- 

 mens in the museum. 



206. Phcenicopterus roseus. 



Large flocks of Flamingos are to be seen all the winter 

 through on the ' ' stagnos " of Scaffa and Quarto, which lie one 

 on each side of Cagliari, moving backwards and forwards from 

 one to another, according as they are disturbed. They also 

 visit in considerable numbers some of the larger lagoons round 



