HEINRICH GATKE : BIRD-NOTES FROM HELIGOLAND. 315 



April {contimied). 



Vanellus vulgaris^ scattered ; two or three Scolopax 

 rusticula. 



20th. — E., fresh, cold. 



Fandion haliaetus, one : Falco cesalon and Tinnmtculus 

 alaudarius, several females; Turdus, Saxicola, Anthus, 

 Motacilla a/da, Friiigilla coelebs and F. montifringilla^ 

 few each ; Scolopax rusticula^ two shot ; Gallinago coeiestis, 

 two shot. Very slight migration. 



2ist. — E., early, fresh, cold, fine rain ; evening, S., slight fog, warmer. 



The above, but singly. Lomvia troile arrived on 

 hatch-ledges in cliff ; left again in afternoon. Fog during 

 day hindering migration ; during night very much migra- 

 tion at lighthouse, above fog. 



22nd. — S., slight, later S.S.E,, cloudy, cold. 



Falco (Esalon^ some few ; Corvus comix and C. vione- 

 dula, strong migration ; Turdus torquahis^ T. miisicus, 

 and T. pilaris^ pretty many ; Fhylloscopus trochilus^ 

 Frithacus riibecula^ and Ruticilla plmnicurus^ males, 

 pretty many ; Motacilla alba and Anthus pratensis^ many ; 

 A. trivialis^ fewer ; Fringilla coelebs, F. 7nontifringilla, and 

 Coccothraustes chloris, many ; Columba palumbus^ some ; 

 Cico7iia alba, one ; Hcematopus oslralegus, several ; 

 Numenius arqiiata, several ; one Scolopax rusticula 

 caught ; Lomvia troile about daytuiie, on cliffs. 



23rd. — E., slight, clear, cold. 



Falco peregrinus, a couple ; F. cesalon and Ti?inunculus 

 alaudarius, several ; Accipiter nisus, some ; Turdus 

 musicus, T. torquatus, and T. pilaris, early, many ; 

 Anthus trivialis, several ; A. pratensis, many ; Motacilla 

 alba and M.flava, many; Fhylloscopus trochilus, Frithacus 

 rubecula, and Ruticilla phxnicurus, tolerable ; Emberiza 

 citrinella, some ; Fringilla Calebs, F. vwntifrifigilla, and 

 Coccothraustes chloris, pretty many ; Otocorys alpestris, 

 pretty many ; Regulus cristatus, some ; Troglodytes par- 

 vulus, scattered ; Charadrius pluvial is and JEgialitis 

 hiaticula, scattered ; Niunenius, pretty many ; Columba 

 palumbus, Totanus glottis, T. calidris, and T. glareola, 

 some ; Hcematopus ostralegus, Scolopax rusticula, and 

 Gallinago ccelestis, few. 



24th. — N.N.E., slight, clear, cold. 



Slight migration. Falco cesalon, Tinnunculus alaudarius, 

 Thrushes, Sylvia ficedula, Motacilla alba, and M. flava, 



Oct. 1887. 



