108, ♀ ad., Chiricahua Mountains, March 26. Length, 6.50; extent, 9.50; wing, 3.05; tail, 3.18. “Not as plenty here as J. cinereus.”

70. Junco cinereus (Swains.) Caban. Mexican Snowbird.—Nine specimens, all taken during March, in the Chiricahua Mountains.

71. Amphispiza bilineata (Cass.) Coues. Black-throated Sparrow.—Mr. Stephens found this Sparrow on barren plains sparsely covered with low bushes; he considers it a permanent resident in Arizona.

Juv., first plumage ♂ (No. 613, Camp Lowell, June 28). Crown, lores, orbital region and sides of head generally, dull brownish-ash; a white superciliary line as in the adult; back faded brown with shaft-stripes of a darker shade on most of the feathers; wing-coverts and outer webs of inner secondaries, reddish-buff; beneath dull white with the breast and sides of the abdomen thickly but finely streaked with dull black.

In addition to the bird just mentioned the collection includes five adults from the following localities: San Pedro River (♂, Dec. 25); Sulphur Spring Valley (♂, April 4); Tucson (♀, May 3); Santa Rita Mountains (♀, May 20); Camp Lowell (♂, May 30).

72. Peucæa cassini (Woodh.) Baird. Cassin’s Sparrow.—Although special efforts were made to obtain specimens of this species, only one was secured during the trip. “The song of the male is peculiar; about midway it drops several notes and is finished on one key. Several others seen. They were all very wild.”

159, ♀ ad., Sulphur Spring Valley, April 4. Length, 6.30; extent, 7.80; wing, 2.50; tail, 2.82. “Iris brown.”

73. Peucæa carpalis Coues. Rufous-winged Sparrow.—Found sparingly about Tucson and Camp Lowell. It inhabited the mesquite thickets, keeping closely hidden in the bunches of “sacaton” grass, from which, when flushed, it flew into the branches above.

233, ♀ ad., Tucson, April 19. Length, 5.70; extent, 7.90; wing, 2.42; tail, 2.82.

234, ♂ ad., same locality and date. Length, 5.90; extent, 8; wing, 2.57; tail, 3. “Iris brown; bill dark brown above, paler below; legs pale brown.”