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64 THE CONDOR [ VoL. V The next day all the eggs had hatched and we found both parents busily en- gaged in carrying food to the young. As soon as the mother fed her offspring she brooded them till the father appeared with food, then he would in turn care for and protect the young from the cold. So during the entire day each performed PHOTO MY 14. T. tOHLMAN GASSIN VllqO AT an individual share in household duties. Often both parents were at the nest together, but at such times fortune did not favor us in getting a photograph. We were able to picture the mother, however, as she paused just for an instant beside the nest after feeding her young and again just as she reached under the protecting roof to feed the nestlings. In these pictures a distinct lacking of the wing bars will be noticed, which is a peculiar mark of the Cassin vireo. The other distinguishing mark, a white streak through the eye is readily told from the orbital ring about the eye of the other vineo. A Remarkable Flight of Louisiana Tanagers. BY W. OTTO EMERSON? HAYWARDS, CAL. NE of the most wonderful occurrences of the movements of birds in the sea- son of migration which ever came under my notice, took place at Hay- wards during May, i896 , when countless numbers of Piranga ludoviciana, or Louisiana tanagers, began to make their appearance between May la and 14. From the i8th to the aand they were to be seen in endless numbers, .moving off through the hills and canyons to their summer breeding range in the mountains. This continued till the a8th, and by June i only here and there a straggling mem- ber of the flock was to be seen. They were first found feeding on early cherries, in an orchard situated along the steep bank of a creek, on the edge of rolling hills, well covered with a thick young growth of live oaks, which faced the orchard on the east. To this thick cover they would fly, after filling themselves with cherries, and rest till it was time to eat again. This they would keep up from daylight till dark, conling and going singly all day, without any noise whatever being heard. Two men were kept busy shooting them as fast as they came into the trees which lay on the side next to the oak-covered hills. The tanagers at first seemed to take no notice of the gun reports, simply flying to other parts of the orchard. During the first week one of the gunners took his stand at the other side of the orchard, along the creek bank, under some tall willows, where the birds would come and alight, after being shot at so often. After the first week, I found on go-