MIGRATION AND OTHER ORNITHOLOGICAL NOTES. 
415 
Yarmouth. After this date a few were noted every day, but 
there was no marked increase until May 1st, after which 
date they were generally distributed. Passing migrants were 
coasting north on May 15th, and a nest contained three eggs 
on the 18th. 
House Martin ( Chelidon urbica ). — By mid-September a 
great diminution in numbers of local birds had taken place, 
and from then onwards to the end of the month passing 
migrants were noted coasting southwai’ds. Further passing 
migrants to the south were seen on October 3th, 4th, and 
9th. In the spring the first was seen on April 30th, but up 
to May 6th only single birds were seen, on the 8th there was 
a distinct but small arrival ; on the 13th there was another 
increase in numbers, and the next day a pair were observed 
building, a further arrival of local birds took place on the 
1 5th. The district evidently was populated gradually, for 
another colony arrived later and began building on the 27th. 
Sand Martin ( Cotile riparia ). — Birds were noticed collect- 
ing for passage on August 20th ; early in September a 
diminution in local birds was noticed, though some were still 
,in the nest on September 8th ; on the 18th, 27th, 29th and 
October 3rd some were noted coasting to the south. The 
arrival in spring was not satisfactorily observed, as to do this 
one must constantly visit the colonies and also favourite 
sheets of water over which this species is in the habit of 
congregating to feed ; numbers had arrived by April 30th. 
Goldfinch ( Carduelis elegans ). — Two were seen coasting to 
the south on October 7th and again two on November 20th. 
Siskin ( Carduelis spinns ).— Fair numbers had arrived at 
Yarmouth by September 17th, and during October many were 
seen round the town where also on November 10th a flock 
was seen to come from, the north and pass south along the 
coast. It was said that there were more than usual at 
Yarmouth during this autumn, but perhaps owing to lack of 
