. 
20 BirpDs OF MASSACHUSETTS 
fall.” Dedham: “Sometimes common in fall.” Essex County: ‘“ Spring 
and autumn. Rare.’ Nantucket: ‘Scarce.’ Springfield: ‘‘Common 
autumn visitor.” Rare in spring. Wellesley: “ Migrant.... not uncom- 
mon in fall.” 
17. Colymbus auritus Linn. Hornrep GREBE. 
A regular and not uncommon winter resident, frequenting 
rocky shores ; occurring as a migrant on lakes and streams. “A 
few remain in summer” according to Dr. J. A. Allen. Mr. A. P. 
Morse says that a pair were observed repeatedly at South Natick 
in May, 1893 and 1894, and Dr. J. A. Allen also records a pair in 
breeding plumage seen the first of June at Springfield. 
October 1 to June. 
Bristol County: ‘‘ Common winter visitant to rivers and coast.” Cam- 
bridge: “ Casual.’”’ Cohasset: “ Rather common fall migrant and winter 
resident.” Essex County: “Winter. Rare.” Nantucket: “Common.” 
Springfield: ‘Some autumns” young “quite common.” ‘ Adults rare.” 
Templeton: ‘*Common during fall migrations.” Wellesley: “Migrant, 
casual.” 
18. Colymbus holbeoellii (Reinh.). HoLré.i’s GREBE. 
A regular, and not uncommon winter visitor along the coast. 
Rare or casual inland. According to Dr. J. A. Allen it has been 
taken late in May, in full breeding plumage, but most of the birds 
seen from Massachusetts southward are young. 
(Early September.) October 13 to late May. 
Amherst: “Two taken at Belchertown ponds.” Berkshire: “ Acci- 
dental visitant.” Bristol County: “Probably an uncommon irregular 
winter visitor.’ Cambridge: Casual. Cohasset: “Rare in fall} 
occasional in winter.” Essex County: ‘‘ Winter, common.” Nantucket: 
“Rare.” Springfield: ‘‘ Chiefly an uncommon winter visitor.’ Temple- 
ton: ‘‘Rare transient visitor during the migrations.” Wellesley : 
“ Rather rare migrant.” 
19. Podilymbus pediceps (Linn.). Prep-BILLED GREBE. 
A summer resident, breeding locally throughout the State, at 
some places ‘in considerable numbers” (Berkshire). Common 
in autumn as a migrant, but less so in the spring. 
(Early February.) March 1 to November. 
Amherst: “Not uncommon in Adams and Hadley Ponds, and the 
Conn. River.” Berkshire: “ Summer resident of very local distribution.” 
Bristol County: “Rather uncommon transient visitor to the ponds.” 
