IV. Report on Birds in Danmark, 1886. 379 



at North Harbour, and occasionally spreading further; on 

 3oth the place was not visited , but on October ist there 

 were none. October ist to 6th some, gth several (all young, 

 as most often at this time), iith two, 121h one, i8th a 

 small party. (W.) 



Amager. April 28th and 3oth singly in one place; 

 further in that place May, 3d none, yth and gth four or 

 tive, i2th and i4th several, and not tili i6th in large num- 

 bers, generally arrived. — September igth still very many 

 on east coast; 26th very few on west coast, passing to W. 

 (S. W. iight). October 3d not a few on east coast; later 

 none, (K.) 



Storehedinge. May yth arrival. (A.) 

 Herschendsgave. April 27th arrival. (Hs.) 

 Viborg. Breeds very numerously. Arrived in tirst days 

 of May. October 20th still one seen. 



18. Hirundo urbica, L. — Bysvale. 



Kjöbenhavn. Breeds. April 28th a pair visiting an old 

 nest. None tili May 6th (one); 8th some; thence continually, 

 but tili i4th scarce ; füll numbers perhaps about i8th to 

 2 ist. — In August very numerous, but probably decreasing 

 during the later part; 3 ist still many. September, during 

 first half rather numerous but decreasing; |decrease (as in 

 Hirundo rustica) more marked from igth and 22d; conti- 

 nually a few to 29th ; i6th to igth young heard in a nest. 

 October ist and 2d, 4th, and 5th, a few. (W.) 



Amager. May i2th a pair, i6th one, 2ist a few; in 

 numbers not tili 28th. (K.) 



Herschendsgave. May 4th arrival. (Hs.) 



Viborg. Breeds very commonly in the town. (F.) 



19. Hirundo riparia, L. — Digesvale. 

 Kjöbenhavn. Breeds. May 8th some, probably too late 

 for first arrival; from i4th more often. — August, to 28th. 

 September 5th two; gth, i2th, and i5th singly; 27th to 

 2gth some in the swarm of Hirundo rustica mentioned for 

 these days (there were also some H. urbica). October gth 

 one. (W.) 



