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162 THE CONDOR Vo?. XI 42. Riparia,riparia. Bank Swallow. A single bird taken from a small flock of other swallows September 19, 1907, was the only one noted. 43. Vire0sylva 01ivacea. Red-eyed Vireo. This was the commonest of all the vireos, and was found in the timber everywhere. Great numbers of them were mixt in with the migrating flocks of warblers, and they also past tbru the trees above camp. They gave their usual call note frequently, and it was possible to trace them up by that, as they were not at all wild. This is a common breeding species here. 44. Vire0sylva gilva gilva. Warbling Vireo. This species was fairly com- mon both seasons, and several were taken, mostly in the heavier timber. So far as noticed they were silent, and were found with the migrating flocks of warblers. 45. Lanivire0 s01itarius s01itarius. Blue-headed Vireo. Three specimens of this bird were taken, and this is the first time that I have noted it personally in Kansas. They are probably a regular but rare migrant, 'occurring along the streams. Two of our birds were taken in 1907, and one the year following. 46. Vireo griseus griseus. White-eyed Vireo. This bird was found in the dense thickets on the hillsides, and was very hard to locate. We heard their notes and songs on every visit to these localities, but the birds themselves remained so well hidden, that we succeeded in getting them only after long watching. 47. Vireo bellii bellii. Bell Vireo. There were a few of these birds in the thickets on the brushy hillsides during 1908, but they were shy and hard to locate. Only one was taken, on September 15, 1908; but we heard their notes and an occasional song nearly every day. 48. Mni0tilta varia. Black-and-White Warbler. One adult male taken September 14, 1908, from a flock of migrating warblers, and none others seen. 49. Vermiv0ra rubricapilla rubricapilla. Nashville Warbler. This is a regu- lar tho rare migrant in this vicinity. We found them during 1908, in the dense brush and tangled grape-vines along Hasty Creek, where they could be secured only by patient watching. They were very quick and active, and usually when seen were too close to shoot without entirely destroying them. 50. Vermiv0ra celata celata. Orange-crowned Warbler. One taken Septem- ber 14, 1908. The fall migration is rather a poor time for warblers in this vicinity, and only a few scattered examples of most of the species were observed. 51. C0mps0thlypis americana ramalinae. Western Parula Warbler. Found in the heavy bottom timber along Washington Creek. Several speci?nens of this small warbler were secured from flocks of migrants, and more were seen on both years. 52. Dendr0ica aestiva aestiva. Yellow Warbler. One taken September 20, 1907, from a flock of other migrating Warblers and Vireos. 53. Dendr0ica virens. Black-throated Green Warbler. One bird taken September 16, 1908, from a small flock of warblers in the trees above camp. This bird appears to be of regular tho rare occurrence, during both spring and fall migrations. 54. Seiurus aur0capillus. Ovenbird. One taken from a considerable flock of warblers September 14, 1908, was the only one seen. The breeding birds had all left for the south. 55. Op0r0rnis agilis. Connecticut Warbler. One taken September 14, 1908, in a brushy thicket near camp where it was in company with numerous other warblers. This bird is rather rare in this vicinity, and but few specimens have been taken. 56. Ge0thlypis triohas brachydactyla. Northern Yellowthroat. All of these