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RARER BIRDS OF MASSACHUSETTS. 641 
Massachusetts fauna, so that a revision of a portion of that 
part is already necessary.* The whole number of species is 
now three hundred and eight, or—excluding the House 
Sparrow (Passer domestica), which has been introduced by 
man, the Goldfinch (Carduelis elegans), the Serin Finch 
(Serinus meridionalis), aud the South American Humming 
Bird, which may also have been (but probably were not) 
similarly introduced —three hundred and five, instead of 
three hundred, as there stated, or two hundred and ninety- 
six, as given in my Catalogue. Three of the species re- 
corded in the Catalogue being now no longer counted, the 
whole number of species of birds added to the fauna of the 
state since 1864 is sixteen; eleven, and probably fifteen, of 
Which can unquestionably be legitimately counted. 
In this connection it may be asked, in view of the nu- 
merous recent additions to the bird fauna of this state: Are 
not certain species that were formerly regarded as scarce 
here now increasing in numbers? and is it not probable that 
some of the species recently detected have but recently made 
their first appearance here? 
lt is probable that a few species have recently increased 
and still are increasing in numbers ; but it seems more prob- 
able that in most cases this apparent increase is more the 
result of the much greater number of observers now in the 
eld than formerly, and the consequently much greater 
amount of attention recently given to the ornithology of our 
state. Doubtless other species will soon be detected here. 
The occurrence of several species in Massachusetts whose 

llowing corrections should be made in the first two parts of this article: — 
Phe m 2 last A for seven read twelve. Page 512, add to the second foot note, Buteo 
Cooperi, Tyran tut er Xanthocephalus scterocephalus > Ni herodius viola- 


ceus, rin abra Page 513, ch tl i inth li e a 
as follows: Others now added, especially the California | Hawk imd Cooperi). Baird’ 
Finch (Centronyz Bairdii) and the Gray King Bird (Tyrannus Dominicensis), are ii 
ilar and equally remarkable cases of TM and southern species straggling far 
beyond their usual range. Page 513, 19th lin Page 513, 25th 
ned for three hundred read three hundred Mu etu. akaga 516, “Ist line, Foleo: 
. Page 518, 12th line, for characteristic read well-marked. Page 582, 19th line, for 
ons leges ag Californicus. Page 583, 16th line, for So uM M 
Wii Shain botica, for zie vead Aci Page 585, 8th line, dele 
