152 REPORT ON THE MIGRATION OF BIRDS. 



Skelligs. — September 20th, two left — being here all season. 

 October 6th to 10th, four. 



Eaven (Corvus cor ax, Linn.). 



Mine Head. — March 1 6th, a pair always in neighbourhood ; 

 breed on cliff near lighthouse ; young birds in nest now. 



Bathlin Island. — June 16th, two Eavens; remain here. 



Dunree Head. — Two noted May 20th, October 26th, and 

 December 30th, going W. 



Arranmore. — June 26th, two ; December 22d, two. They 

 remain all the year. 



Bathlin OBirne. — September 28th, two ; they build on a cliff 

 to the S.W. of island. 



Broadhaven. — October 7th, two going W. 



Blackrock, Mayo. — April 25th, two "small Eavens." 



Tearaght. — March 10th, two about island. 



Skelligs. — September 1st, four ; remained until 10th. Novem- 

 ber 20 th, four. 



Hooded Crow (Corvus comix, Linn.). 



Fastnet. — April 17th, three, remained all day. 



Innishtrahull. — April 14th, two Grey-backed Crows during 

 day. " They are destructive to the young lambs, and pick out 

 their eyes and tongues." July 11th to 21st, seven old and 

 young ones about island. 



Arranmore. — June 4th, two Grey Crows. November 23d, 

 two. 



Arran Island, N. — May 10th, four on island. 



Tearaght. — August 22d, nine seen. 



Valencia. — August 6th, two. 



Skelligs. — September 1st, five ; remained until 10th. Novem- 

 ber 21st, four ; remained all month. 



Eook (Corvus frugilegus, Linn.). 



Mine Head. — August, "many died in July from hunger." 

 [January ?] 



Coningbeg light-ship. — April 2 2d, tw 7 o " Crows " passed N.W. 

 at 7 a.m. ; wind N.E., light, clear. 



Barrels Bock lightship. — April 3d, one " Crow " going N. ; 

 wind fresh S.W., clear. October 16th, one Crow going N.W. 



