ECOLOGY OF NORTHERN MICHIGAN. 119 



singing July 28. On July 18 they were also observed in the tamaracks. 

 VI. Seen near a stream on the trail to Government Peak July 26. 



67. Dendroica pensylvanica. Chestnut-sided Warbler. IV. 2. An adult 

 female was taken July 28, and several were seen near Carp river. 



68. Dendroica blackburnia^. Blackburnian Warbler. II. 1. A pair with 

 tAvo young were seen in the tops of birches, July 14. On August 1 several 

 adults and young were seen in birches on marshy land. II. 2. Observed 

 several times between July 13 and 30. II. 3. A female, with young in the 

 down, were taken July 14. A young male was taken July 19. Several were 

 seen near camp with young. II. 5. Small flocks of adults and young were 

 seen several times feeding in the tops of young maples. IV. 3. Seen at the 

 foot of the talus slope among the maple trees July 15. 



69. Dendroica virens. Black-throated Green Warbler. II. 1. An adult 

 male taken July 30, along the lake shore. II. 2. Common in the hard- 

 woods; an immature male was taken July 20, and an adult July 18. III. 2. 

 Several were seen feeding in the tops of Norway pines on the mountain top 

 August 10. III. 5. Seldom seen at this station. A young male was seen 

 here July 20. IV. 2. An immature male was taken August 5. Common 

 among the alders along Carp river. 



70. Dendroica vigorsii. Pine Warbler. III. 2. Seen carrying food to 

 young in top of a Norway pine, at the edge of the cliff. 



71. Seiurus aurocapillus. Oven-bird. II. 2. A nest containing two 

 eggs and one young bird was found in the leaves near the path through the 

 hardwoods, July 15. Young in nearly all stages of plumage were seen. 

 Two were seen in the maple undergrowth, August 11, and a young male was 

 taken July 21. II. 5. An adult male was taken in a trap set for mammals 

 near the top of the bluff, July 15. Many young birds were seen, usually on 

 the ground among the bushes, but sometimes running ahead in the path like 

 quail (Peet). III. 2. Several Avere seen singly in the aspens bordering 

 the bare mountain top. IV. 2. Seen several times among the alders along 

 Carp river. 



72. Seiurus novehoracensis. Water Thrush. IV. 2. Seen several times 

 in the alders along Carp river, one was seen July 22. A bird was seen July 

 13 east of the Porcupines, on the road to Ontonagon. 



73. Geothlypis agilis. Connecticut Warbler. II. 1. Adult females were 

 taken July 27 and August 4. On July 27, four of these birds were seen in 

 a marshy strip of land thickly overgrown with birch and long grass, but 

 shaded with large hemlocks. 



74. Geothlypis Philadelphia. Mourning Warbler. II. Seen among the 

 brush of open woodland, August 4. II. 3. A female and her young were 

 taken July 15. An adult male was taken at the camp, July 14. Two females 

 were seen, each with one young bird just able to flutter along in the low 

 weeds. When the young were shot the females remained near by and kept 

 up a sharp chirping and jerking movement of the body. Two males were 

 taken, one of these appeared greatly excited when approached and flew from 

 tree to tree among the young as]iens, grasping the trunk of the trees so that 

 its body was at right angle to the tree. They remained within about five 

 feet of the ground (Peet). IV. 2. Was seen several times among the alders 

 along Carp river and last seen August 5. VII. An adult and one young bird 

 were seen among the brush on a bluff at Little Carp Lake, August 7. 



75. Geothlypis trichas brachidactyla. Northern Yellow-throat. IV. 2. 

 One was seen, scolding vigorously, in the brush near the boat landing, July 



