Prof. Bias i us on Me Ornithulogy of Heligoland. 71 



26. Anthus cervinus. Pall. 



27. Anthus ludovicianus (Gm.). — This is certainly for the 

 first time that this species has been observed in Europe. 



28. Anthus richardi, Vieill. 



29. Alauda brachydactyla, Leilsl. 



30. Emberiza pusilla, Pall. — By far more frequently ob- 

 served there than the following species. 



31. Emberiza rustica. Pall. 



32. Emberiza CjEsia, Cretschm. 

 83. Emberiza hortulana, L. 



34. Emberiza aureola, Pall. 



35. Emberiza melanocephala, Scop. 



36. Pyrrhula rosea. Pall. 



37. Pyrrhula serinus, L. 



38. Pringilla citrinella, L. 



39. Parus barbatus, L. 



40. Accentor alpinus, L. 



41. GrUS VIRGO, L. 



42. Eudromias asiaticus (Pall.). — This is a young bird, 

 which undoubtedly belongs to this species, and not to Charadrius 

 pyrrhothorax, Temm. 



43. Charadrius longipes, Temm. : Ch. orientalis, Schleg. 



44. Charadrius virginianus, Borckh. : Ch. marmoratus, 

 Wagl. 



45. Actitis rufescens, Vieill. 



46. Tringa temminckii, Leilsl. 



47. LiMICOLA PYGMiEA, Lath. 



48. Sterna dougalli, Mont. 



49. Larus roseus, Jard. and Selb. Winter plumage. 



50. Larus sabinii. Leach. Young plumage. 



