ANNOTATED LIST OF SPECIES 21 
Brookline: Formerly not uncommon. Cambridge: Transient visitant 
in April; verycommon Sept. to Noy.; breeds in one locality. Cohasset : 
“ Abundant fall migrant, common in winter and spring.” Dedham: 
“ Common in the fall.” Essex County: ‘‘Fall and winter. Common.” 
Springfield: “Rare summer resident,” and common migrant. Temple- 
ton: Common during tall migrations. Wellesley: “Common migrant 
especially in fall.” 
20. Gavia lumme (Gunn.). RED-THROATED Loon. 
/ A not uncommon winter visitant off the coast; more common 
as a migrant in spring and autumn. Casualinland. Adult birds are 
rarely seen on our Coast. 
October 1 to April 8 (July 2). 
Bristol County: “‘“An uncommon winter visitant along the coast. Com- 
mon on migrations.” Cambridge: One instance. Cohasset: ‘“Com- 
mon fall migrant, and winter resident.” Essex County: ‘‘Winter. Young, 
common. Adults, rare.) Ipswich: Common in fall. Nantucket : ‘“Com- 
mon.” Springfield : “ Rare spring and fall visitor.” Wellesley: ‘* Mi- 
grant, rare.” 
Note: Gavia artica (Linn.). BLACK-THROATED LOoN. Not positively 
known to occur in the State, although young birds supposedly of this 
species are variously recorded. 
21. Gavia imber (Gunn.). Loon. 
A spring and autumn migrant throughout the State on rivers and 
lakes, and abundant as a winter resident off the coast, where bar- 
ren or crippled birds are found in summer. Has been recorded 
as late as 1889, as breeding in Ballou’s, Otter River, and Well- 
ington’s Reservoirs, and other large ponds in Winchendon. 
Amherst: “One taken at Adams Pond” [about 1870]. Berkshire : 
“ Transient visitant in the spring and autumn.’ Brookline : One taken 
on Reservoir. Cambridge: Not common transient visitant. Cohas- 
set: ‘Abundant fall migrant. Common in winter and spring.”’ Essex 
County: “Spring and autumn, and occasionally in the winter.” Ded- 
ham: ‘Occasionally seen.” Ipswich: Common in fall and winter. 
Nantucket: “Common.” Springfield ; ‘‘ Not uncommon spring and fall 
visitor.” Templeton : “Breeds.” Wellesley: “ Migrant.” 
22. Oceanodroma leucorrhoa (Vieill.).  Leacu’s PETREL. 
A common summer and autumn visitant off the coast. One 
June record from Martha’s Vineyard Island. Occasional inland. 
(June 15) September 1 to October 8. 
