ARCTIC TERN. 647 



wliich prevailed on the Tth and 8th, comhined with the pecu- 

 liar funnel-shaped form of the Bristol Channel, which seems 

 to act like the ' pipe ' of a decoy pond." As to the persecu- 

 tion which the poor bewildered pilgrims underwent, it is 

 simply a fact in the civilization of England, in the middle of 

 this most humane and wondrously enlightened century. 



Young. — The young are at first covered with yellowish- 

 grey down, variegated with brown. When fledged, they have 

 the feathers of the upper parts pale bluish-grey, tipped with 

 pale yellowish-grey, more continuously on the wing-coverts ; 

 the hind part of the head and the ear-coverts greyish-black ; 

 the lower parts white, but usually more or less tinged with 

 blue on the breast. 



