SPECIES OF BIRDS. 
315 
tance of his observations. It is not, it is true, anew mode 
of determining species ; for similar minute distinctions 
have Ion" since been made by sportsmen, who, for 
example, "distinguish two kinds of the common snipe, 
'laming the smaller the high crowned; and some jagers 
even maintain there are three species. Bird catchers 
speak of two species of the goldfinch, (Fr. carduelis,) 
viz. a larger and a smaller ; also, of an Alder Siskin and 
a Birch Siskin; of two kinds of grosbeak, {Loxiapyr.); 
of a larger and smaller nightingale ; of different finches ; 
of different linnets, ( Fringilla linarici.) These distinc- 
tions Brelim says, he has proved to be correct, by a 
careful examination of the osteology of the birds in 
Question. 
26 . sylpia riaonsu. — vigors' waiiiu.i ii. 
AUDUBON, PLATE XXX. MALE. 
Nothin" whatever is known of the habits and man, 
tiers of this species, named after Mr Vigors, an active, 
intelligent, and ingenious ornithologist. 
27 . SYLVIA CHILDEF.NII . CHILDREN’S WARBLER. 
AUDUBON, PLATE XXXV. 
A rare species, named after Mr Children, the 
celebrated chemist. 
28 . SYLVIA CARBOXATA. — THE CARBONATED WARBLER. 
AUDUBON, PLATE LX. 
A new species, concerning’ wliicli nothing is known, 
killed by Audubon in the state of Kentucky. 
29 . SYLVIA RATHBONII.— THE RATHBONE WARBLER. 
AUDUBON, PLATE LXV. 
Of this new and beautiful species, named in remem- 
brance of the Rathbones of Liverpool, nothing is 
known. 
