INTRODUCTION. 



XXXI 



I. continued. 



Species observed on the Saskatchewan, 

 lat. 53° to 51° N., and from 600 to 1000 

 miles distant from the sea-coast. 



Species that frequent the vicinity 



of Philadelphia, lat. 40° N. 



(Bonaparte.) 



Winter-quarters of the Species. 



Page 

 of the 

 Fauna. 



No. 



159 

 160 

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 172 

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174 

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 180 

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 183 

 184 

 185 

 186 

 187 

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 189 

 190 

 191 

 192 

 193 

 194 

 195 

 196 



Summer. Com. on plains 



Summer. Comm. 



Ditto Abundant . 

 Pass. Spr. and Aut. 

 Summer. Comm. 



Ditto do. 



Summer. Abundant . 



Ditto Very comm. 



Ditto Not rare . 

 Pass. Spring. Rare 

 Do. do. do. 



Summer. Comm. 



Ditto Not comm. 



Ditto Very comm. 



Ditto Rare 



Ditto Comm. 

 Pass. Spring. Not com. 



Summer. Very comm. 



Pass. Spr. and Aut. Com. 

 Summer. Abundant 

 Pass. Spr. and Aut. Com. 

 Summer. Comm. 



Ditto Abundant 



Ditto do. 



Pass. Spr. and Aut. Rare 



Pass. Spr. and Aut. Rare 



197 Pass. Spr. & Aut. Very c. 



198 Summer. Comm. 



199 Spr. and Aut. Not rare . 



200 Summer. Comm. 



Summer. Somewhat rare 



Pass. Spr. & Aut. Somewhat rare 

 Winter . . ditto 



Do. ? . ditto ? 



Pass. Spr. and Aut. Comm. 



Winter. Very comm. 

 Accid. visiter 



Summer and Aut. Abundant 

 Pass. Autumn. Comm. 

 Winter. Accid. visiter 



Winter. Accid. visiter 



Winter. Accid. visiter . 



Do. ditto 



Do. Young rather comm. 



Do. Principally young . 

 Summer. (Breeds.) Comm. 

 Pass. Autumn. Rather comm. 

 Do. Comm., the young espec 



Comm. 

 Winter. 



Comm. 



Not rare 



Winter. Accid. visiter 



r inter. 



Rather comm. 



Do. 



Rare . 



Do. 



Comm. 



Do. 



do. 



Southern States, S. America 



United States 



South. St., or towards Tropics 



South. St., or towards Tropics 



South. States, S. America 

 Within the Tropics ? 



Ditto S. Amer. 



South. States, Calif. 

 Mexico, S. America 



United States, Calif. 



South. States 



Ditto 

 Middle States . 



Ditto South States 



Towards the Tropics 

 Middle and South States 



Ditto ditto 



Middle and South. States 

 Middle and North. States 



Ditto ditto 



Ditto 



United States 



United States 



South California 

 South. States 

 Middle States 



United States, Mexico 

 Mexican Lakes (Sw.) 



Ditto 

 M. 8s S. St., Columb.R., Calif. 



391 



393 

 395 



396 



401 

 402 

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 405 

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410 

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417 

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439 

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442 



