74 Rev. F. C. R. Jourdain on the 



up in the mountains. The clutch usually consists of two 

 eggs, which are laid about the middle of April. 



120. Haliaetus ALBiciLLA (L.). Sca-Eaglc. 



A •winter visitor to the south of the island and the lagoons 

 on the east coast, uh.ile possibly a pair may he resident, as the 

 bird has been observed late in the spring, and it is known 

 to breed in Sardinia. Whitehead found it not uncommon 

 on the lagoons in winter, preying on the wild fowl, and saw 

 one bird often in A])ril and May. Arrigoui states that 

 it probably also breeds in Corsica. Parrot records a pair, 

 one of which was a fully adult bird with white head, 

 seen on February 21, 1910, circling high over the Campo 

 de rOio. 



121. XiSAJ'iTus FASCIATU.S (YiciU.). Bonelli's Eagle. 

 Giglioli saw an immature bird on September 20 near Porto 



Vecchio, and Schiebel also states that he recognised this 

 species in 1910. 



122. Circus .Ilruginosus (Tj.). Marsh-IIarrier. 



A common winter visitor to the low ground, occasionally 

 on the soutli-wTst, and more generally on the east side of the 

 island : a few pairs remaining to breed in the swamps. 

 Wiiitehcad saw one as late as June 21, but did not find the 

 nest, 



123. Circus PYGARGUs (L.). Montagu's Harrier. 

 Whitehead records an individual seen on November 17. 



124. Circus cyaneus (L.). Hen Harrier. 



A winter visitor and apparently also on passage. Wharton 

 records two or three seen on the w-est side in winter, and 

 WHiitehead noted a passage on April 14. Five were seen 

 on the wing at the same time, besides a few at intervals 

 throughout the winter. Jesse obtained a specimen from 

 near Lake Biguglia. 



3 25. Circus macrourus (S. G. Gmeh). Pallid Harrier, 

 Giglioli records a specimen seen between Ajaccio and 

 Sasrone. 



