BIRDS OF NORTH AMERICA. ‘687 
33. Strix Acadica, Gmel. — Acadian Owl, Wilson, p. 309. 
Strix passerina, Wilson, iv. 61.—Strix Acadica, Bonap. Syn. p. 38. Swain. & Rich. 
ii, 97, Mutt. i, 137, Aud. ii, 567, and v. 397; plate 199.—Ulula Acadica, 
Aud. Syn. p. 24. J 
SUBGENUS STRIX, Linn. 
34, Strix Americana, Aud. — American Barn Owl, Wilson, p. 440. 
Habitat, Southern States. Nests on the ground. | Eggs, white. 
Strix flammea,, Wilsun, vi. 57. Bonap. Syn. p. 38. Nutt. i, 139. Aud. ii, 403; ve 
388 ; plute 171.— Strix Americana, Aud. Syn. p. 25. 
SUBGENUS SYRNIUM, Cuwv. 
85. Strix cinerea, Linn. — Cinereous Ow]. 
Upper parts, grayish. brown, variegated with grayish white; lower 
parts, variegated with yellowish white. Female, 304, 48. Habitat, north 
of 42°. Nests in high trees. 
Strix cinerea, Mutt. i. 128, Swain § Rich. ii. 77. Aud. i. 364; plate 351.—Syr- 
nium cinereum, Aud. Syn. p. 26. : 
36. Strix nebulosa, Zinn. — Barred Owl, Wilson, p. 804. 
Bonap. Syn. p. 38, Nutt. i. 133. Aud. i, 242; v. 386; plate 46. — Syrnium nebulo- 
sum, Aud, Syn. p. 27. 
SUBGENUS OTUS, Cuv. 
37. Strix Otus.— Long-eared Owl, Wilson, p. 449. 
Strix otus, Bonap. Syn. p. 37. Nutt. i. 130. Aud. iv. 573; plate 383. — Otus vul- 
garis, Aud. Syn. p. 28. 
38. Strix brachyotus, Linn. — Short-eared Owl, Wilson, p. 307. 
Male, 15, 40. Female, 17, 45. Nests in bushes. Eggs, four, bluish 
white. 
Strix brachyotus, Bonap. Syn. p. 37. Nutt. i. 182. Aud. v. 273; plate 432, — Otus 
brachyotus, dud. Syn. p. 28. 
SUBGENUS BUBO, Cur. 
39. Strix Virginiana, Gmel. — Great-horned Owl, Wilson, p. 435. 
Strix Virginiana, Bonap. Syn. p. 37. Nutt. i. 124. Aud. i. 313; v. 393. — Bubo 
Virginianus, 2ud, Syn. p. 29. 
40. Strix asio, Zinn. — Mottled Owl, Wilson, pp. 201 and 383. 
Old bird, with brownish red plumage; young, with the upper parts pale 
brown, spotted with brownish black; quills, light gray, barred with 
brownish black ; throat, yellowish gray.* 
Strix asio, Mutt. i. 120. Aud. i. 486; v. 392. — Bubo asio, Aud. Syn. p. 29. 
* Mr. Audubon reverses this order, making the brown plumage the old birds, and 
the red, the young. Mr. Samuel Cabot, Jr. exhibited before the Boston Natural 
History Society an old red bird, which he shot in the act of feeamg some young 
brown ones, which he also exhibited. — See Journal of the Boston Society, il. 126. 
