Rosy Gull and the Pectoral Sandpiper. 573 
her. If, however, you keep quite quiet she becomes reassured, 
approaches near to where her young are, and utters with 
tender modulations ‘‘ day-day-day, day-day-day,? which 
means evidently “all right, come here.’ Then the chicks 
commence to chirp “peep, peep, peeyp,’ 
mother. On one occasion I observed all this at a distance of 
about ten paces, and once I was only about three paces from 
them. The downy young know their mother’s call “ day- 
day-day ” so well that on one occasion a young bird, which 
I was taking home in my butterfly-net, when it heard a 
female call quite close to me, climbed out of the net to rejoin 
her. 
The young in down have the legs and feet pale jasper-grey 
with a slight tinge of lilac, the joints being rather darker ; the 
basal fourth of the bill is coloured like the legs, while the 
remaining three-fourths are lead-grey ; the eyes are brown. 
On the 19th, 23rd, and 25th of July [ found many Pectoral 
Sandpipers in the wet grassy places on the high tundra near 
the eastern mouth of the Kolyma, and even then all the 
young were not fully fledged. Here, on the 22nd of July, 
I obtained the first young bird, which could fly heavily but 
had still down adhering to the plumage, and a second 
specimen on the 25th of July. In August the young birds 
were more numerous, and during the last week of that 
month, at the western mouth of the Kolyma, they were 
migrating up the river in flocks, sometimes in company with 
Tringa acuminata. Similar flocks were seen on the 9th of 
September on the great Nerpichie or Seal-lake on the 
western low tundra, but after that they were rarer, and the 
last that I saw near Pokhodskoe was on the evening of the 
20th of September, when the ground was white with snow 
and my thermometer shewed 0°'3 C. during the day, falling 
to 4°83 C. in the evening. The next day the rivulets were 
frozen. 
? and run to their 
EXPLANATION OF PLATE XII. 
Fig. 1. Chick of the Rosy Gull (Rhodostethia rosea). 
2. Chick of the Pectoral Saudpiper (Zringa maculata). 
