140 REPORT ON THE MIGRATION OF BIRDS. 



Blackrock, Mayo. — April 29th, one Willow Wren all day about 

 roek; wind strong N.E. 



Golden- Crested Wren (Begulus cristatus, Koch). 



Rochabill. — September 25th, one on rock. October 7th, 3 a.m., 

 Golden-crested Wrens with " Common Wrens, 5 ' Blackbirds, and 

 Thrushes about light ; fog, wind light N. 



South Maidens. — October 8th, two Golden-crested Wrens. 



Arranmore. — December 21st, one ; snow showers. 



Bathlin O'Bime.-— December 26th, one on island. Passing 

 snow showers. 



Skelligs, October 10th, two Golden-crested Wrens. 



Wren {Troglodytes parvulus, Koch). 



Mine Head. — " A doubt having been expressed in a previous 

 report of the common Wren being resident on the Tearaght 

 Piock, I have seen it plentiful there both summer and winter. 

 I believe there are between 60 and 100 always there, and I 

 believe five might be found on the same extent of ground at 

 Mine Head." [Mr M'Carron has recently moved from Tearaght 

 Rock to Mine Head. Wren's nest seen by R. M. B.] 



Coningbeg Light-ship. — April 12th, one " Wren " about ship, 

 5.30 a.m. [? this species.] 



Arklow South Light-ship. — October 3d, 6 a.m., one " Wren " 

 alive on deck, caught and let go ; hazy, rain, wind strong S. 



BockaUll— April 10th, "Wrens;" 29th, do. October 7th, 

 3 a.m., " common Wrens " about lantern ; wind light N"., fog. 



Arranmore. — December 22d, one " common Wren." 



Tearaght. — Hedge Sparrows and Wrens breed here. 



Blue Tit {Barus cwruleus, Linn.). 



Mine Head. — February 1886 [wing received.] January 3d, 

 1887, one seen. 



Wagtails. 



Fastnet.— April 18th, one on rock. 



Mine Head. — June 16th, three, " not the common species." 

 [From description, probably Grey Wagtail.] September 27th, 

 four. January, 19th, 1887, one. 



