192 3.] of the Migratory Flight of Birds. 9,27 



Rollers. Port Said. Individuals seen arriving and de- 

 scending from a height. (Lynes.) 



Sparrow- [Jaw Iv. They travel at a great height over Heli- 

 goland. (Gaetke.) 



At Jerusalem I watched S[)arrow-Hawks continuing 

 their spring passage in 11)2U. 'Hi^y would soar up to 

 some 1500 Eeet or so, and then make ofit' in a northerly 

 direction in the clear still evenings just before sunset. 



Honey Buzzard. They travel at a great height over Heli- 

 goland. (Gaetke.) 



This is confirmed ]j3^Irby's observations at Gibraltar, 

 though they travel low in bad weather. 



White Stork. Akaba, 8inai. Seen passing north on spring- 

 passage at 300 feet (Zedlitz, J. f. 0. 1912, p. 337). 



On G. iii. I saw many large flights of these birds 

 passing north over Lake Galilee at 400 feet above 

 the Lake. On two occasions when Storks were 

 passing u[) the Jordan Valley at about 400 feet, they 

 would see a Neophron or Kite soaring in an air 

 spiral ; the Storks never failed to branch oil' and 

 join in this natural assistance to gain height, and 

 would then continue their journey at about 4000 I'eet 

 above the Jordan Valley, but only some few feet 

 above the surrounding hills. 



Crane. Pyrenees. Observed passing over the Pyrenees at 

 1.500 and 1800 feet, but in Bulgaria they were noted 

 crossing the Rhodope Hills (Boetticher, J. f . 0. 1919, 

 p. 239) at no great height. 



On a still October evening on the desert 40 miles 

 east of Damascus I watched the autunni arrival of 

 large " wedges" of Crane. They descended to a lake 

 from a height I estimated at about 4000 feet^ arriving 

 from the north. With my glasses I could see party 

 after party at many miles' distance, approaching 

 the lake. Birds did not attempt to lose height till 

 well over the lake. 



Quail. Southern Palestine. Seen arriving at daylight on 

 the coast near Rafa, passing over the sea just above 



SER. XI. VOL. II. 3 Q 



