ANNOTATED LIST OF SPECIES 29 
Berkshire: “Rare transient visitant in the spring and autumn.” 
Bristol County: “Common on migrations.’’ Cohasset: “Common in 
fall.” Essex County: “September to May. Common.” Ipswich: ‘“Com- 
mon in Augustand September.” Nantucket: “Common.” Springfield : 
“ Rare visitor.” Wellesley: “ Migrant. Casual on lakes.” 
46. Larus atricilla Linn. LaucHinc GULL. 
A not uncommon local summer resident, breeding on Muskeget 
Island ;! casual island. 
May 8 to October 1. 
Essex County: “Autumn. Rare.’’ Ipswich: Recorded. Nantucket : 
‘“*Common.” 
47. Larus marinus Linn. BLack-BACKED GULL. 
A common winter resident on the coast, occasionally visiting 
the ponds, creeks and rivers a short distance inland. Birds _pre- 
sumably barren remain throughout the summer. 
Late August to May 27; July and August. 
Bristol County : ‘‘Rathercommon winter visitant off the coast.” Cam- 
bridge : [Occasional on Fresh Pond.] Cohasset : “Common in fall and 
winter, rare in spring.” Essex County: ‘‘ Winter. Not abundant.” 
Ipswich : “Common throughout the fall and winter.’ Nantucket : 
“Common.” 
48. Larus argentatus Brinn. HERRING GULL. 
An abundant spring and autumn migrant, and winter resident 
along the coast. Not uncommon on inland bodies of water. In 
summer, it is now known on our coast only in flocks of presumably 
barren birds. Itis not improbable that it formerly bred in the 
State, the only record, however,— and this, we believe, open to 
question — is of a pair said to have nested on the middle We[e}- 
pecket Island, Buzzards Bay, in the summer of 1888.” 
October 6 to May 1; Summer. 
Amherst: “ A few taken at Belchertown Ponds.” Berkshire: Extreme- 
ly rare. Bristol County: ‘‘Abundant winter visitant.” Brookline: 
“*Occasionally seen flying over.’ Cambridge: Abundant winter visitant. 
Cohasset : ‘‘ Abundant in fall, winter and spring. Barren birds stay all 
summer.’’ Dedham: “ One seen flying over.” Essex County: ‘‘ Winter. 
Common.” Ipswich: ‘‘ Abundant resident.” Nantucket : ‘“* Common.” 
1 Mackay; Auk, Vol. X. No. 4, Oct., 1893, pp. 333-336. 
y 93, PP. 333-33 
? Mackay ; Auk, Vol. IX, No. 3, July, 1892, p. 226. 
