4 BlLLETIX OK THR 



night's travel, due to two changes of cars. After some inquiry I found thai 

 my objective point was thirty-five miles to the northeast, and that the best 

 way to reach this point was by the river. The South branch, one of the 

 main feeders of the Au Sable, runs near the town. At 7 A. jVI. I was on 

 l)oard a row boat on a sixty mile run down the river. Roscommon county 

 is one of the high counties of this part of the State. The Muskegon, the 

 Tittabawasse and the South Branch all have their sources here. "J'his county 

 consists of high ridges and plains, formerly covered with white pine {Piiius 

 strobus), Norway pine (Pitius rcsinosa .lit.), jack pine (Pi)iiis hanksiana 

 Lamb.), some hemlock (I'suf^a cmiadcnsi's, Linn.), yellow birch (Bctula 

 lutca Michx. f.), and paper birch (Bcliila papyrifcra Marsh.). While float- 

 ing uown the river I saw spruce {Picca alba, Link.), balsam fir (.Ibics bal- 

 saiiica Linn.), and great swamps of tamarack (Lan'x amcricana Michx.), 







- 



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Fig. 1. Site of the first Known nest of Kirtland's Warbler, Oscoda 

 Co., Mich. The view also shows the general character of 

 country. 



white cedar {Chamaccypans ihyoidcs Linn.), balm of Gilead (Popiilus bal- 

 sam, f era Linn.), basswood (Tilia amcricana Linn.) and red maple (Acer 

 rubrum Linn.). I noticed also the white elm (Ulmits amcricana Linn.) and 

 a few black ash (Fraxinns nigra Mar.sh.). The river here is from three to 

 four rods wide with a sandy, gravelly bottom and the current is quite swift. 

 In places the banks are high and covered with Norway and jack pine. The 



