SWALLOW. 
GENERIC CHARACTER. 
Bill short, awl-shaped, weak. 
Mouth very wide. 
Tongue short ; smooth ; cleft. 
Wings long. 
Legs short and weak. 
SPECIFIC CHARACTER. 
Hiuundo rustica. H. rectricibus, exceptis duabus intermediis, 
macula alba notatis. Linn. Syst. Nat. 
Gmel. 1 . p. 1015. 
Tail feathers, except the two middle ones, 
spotted with white. 
Hirundo domestica. Briss.Av. 2.p.48(). 
Common swallow. Buff. Birds, v. 6. p. 493. pi. 161. f. 1. 
Will. Orn. t. 39. Alb. Av. 1 . 1 . 45. Lath. 
Syn. 2. p. 56l. no. 1 . Penn. Brit. 
Zool. 1 . p. 398. pi. 58. Bew. Birds, 
p. 252. 
These birds, about whom such contradictory opi- 
nions have been entertained, make their appearance 
in this country about the twelfth of April, and leave 
us for their distant winter quarters about the end of 
September ; though they sometimes continue till the 
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