A few pass the winter. — (J), svperciliosa^ Dresser, Ibis, 1865, 478. — D»
dominica albilora, Sennett, B. Rio Grande, 13.)
31. Dendroeca pennsylvanica, (Linn.)
Several seen in April and May.
32. Dendroeca striata, (Forst.)
A single specimen taken in August.
33. Dendroeca castanea, (Wils.)
Not rare in the spring migration. — (Dresser, Ibis, 1865, 478.)
34. Dendroeca virens, (Gmel.)
Taken in May and November. — (Dresser, Ibis, 1865, 477. — Sennett, B. Rio Grande, 13.)
35. Siurus naevius, (Bodd.)
Rather common in the spring and fall. — (S. noveboracensis, Dresser, Ibis, 1865, 477.)
36. Slums motacilla, (Vieill.)
March 31, 1877.— (Sennett, B. Rio Grande, 13.)
37. * Geothlypis trichas, (Linn.)
Found throughout the year. Summer birds approach var. melanops, and are perhaps referable to that variety. — (Dresser, Ibis, 1865, 476.)
38. Geothlypis Philadelphia, (Wils.)
A female taken within the fort on September 7, 1877. — (Dresser, Ibis, 1865, 476.)
39. *Icteria virens, (Linn.)
A common summer resident, arriving at Fort Brown about March 26. Here it is much more common than higher up the river. Individuals breeding in Southern Texas are decidedly smaller than those taken in New England, bearing about the same relation to them that Icterus var. affinis does to var. spurius. Thirty-three eggs average .87 x .64. — (Sen- nett, B. Rio Grande, 13.)
40. Myiodioctes mitratus, (Gmel.)
Several specimens taken in April, 1876. — (DRESSER, Ibis, 1865, 478.)
41. Myiodioctes pusillus, (Wils.)
Abundant during the migrations, returning in autumn about the 10th of August. — (Dresser, Ibis, 1865, 478.)
42. Myiodioctes canadensis, (Linn.) c May 2, 1877.— (Dresser, Ibis, 1865, 478.)
43. Setophaga ruticilla, (Linn.)
Not rare in spring and fall. — (Dresser, Ibis, 1865, 479. — SENNETT r B. Rio Grande, 14.)
