Woopv—MersHON EXPEDITION, CHARITY ISLANDS. 91 
bor as early as July 14 (1909) and July 21 (1909), and as late 
as October 3 (1908). 
39. (256) Helodromas solitarius solitarius. Sonirary SaAwNp- 
PIPER.—This species was on the island when we arrived (August 
17), and was generally found on the mud flats about the pond, al- 
though it was also occasionally seen on the sandy beach on the 
east end of the island. The last one seen was on September 24. 
The species also migrates inland, and has been seen at Ann Ar- 
bor as early as July 15 (1910). 
40 (268) Actitis macularia. SPorreD SANDPIPER.—This sandpi- 
per was very common on the island and bred in numbers on the 
‘sandy beaches. On my first visit to the island (June 3), I saw 
several pairs on the sand dune near the light-house, and on August 
16 it was a very common bird all about the island. The other 
species of waders came and went, but a few of this species might 
be seen every day until September 28, when the last one was seen. 
41. (270) Squatarola squatarola. BULACK-BELLIED PLOVER.—The 
plover was first seen on August 20, when three birds were ob- 
served on the beach at Rattlesnake Point. These were all adults; 
two were in nearly full spring plumage, and the other was partly 
changed. On August 22, a flock of twelve adult birds came to the 
island. Six of these were in the black plumage with only a few 
white feathers on the throat and neck. These were very conspic- 
uous on the sandy beaches. The other six were more or less spot- 
ted with white, and were not so conspicuous. This flock fed on 
the beaches about the island, but preferred the rocky ones, where 
I often saw them perched on the big boulders or feeding among 
the rocks. In these places they fed upon the small water snails. 
On September 26, only three of this flock remained, one of which 
was still in the black plumage with some scattered white feath- 
ers. The latter bird, with a young one, was secured, and were the 
last ones seen in this plumage. These adult birds were very shy 
and difficult to secure, but the young birds, which first made their 
appearance on September 10, were easily approached. No adult 
birds came to the island after August 22, and the twelve adults 
that came at that time, with the addition of the three that came 
August 20, were the only adult birds seen in a total of over one hun- 
dred observed. The keepers of the light said that they had never 
seen this species on the island in spring, although it no doubt mi- 
grates northward along the shores of the Great Lakes. The keep- 
ers have seen them as late as November 21 (1909). The species 
does not usually migrate inland, and has been recorded from Ann 
Arbor but once, October 5, 1876. It was found in numbers on 
