16 



Pipilo maculatus var. arcticus. Abundant. 



Quiscalus purpureas . Abundant. 



Molothrus pecoris. Abundant. 



Icterus Bullocki. Not numerous. 



Corv.us americanus. Abundant. 



Tyrannus carolinensis. Abundant. 



Tyrannus verticalis. Abundant. 



JEmpidonax minimus. Common. 



Chordeiles popetue var. Henryi . Abundant. 



Chcetura pelasgia. Common. 



Colaptes auratus. Not common. 



Melanerpes erytliroceplialus. Abundant. 



Picus pubescens var. Gairdneri. Not common. 



Falco sparverius. Common. 



Zencedura carolinensis. Abundant. 



Other woodland species were occasionally observed, but the above 

 named were characteristically common. The following species were 

 generally numerous on the adjoining prairies: — 



Eremophila alpestris. Rather common. 

 Plectrophanes ornatus. Abundant. 

 Plectrophanes Maccowni. Common. 

 Pocecetes gramineus. Frequent. 

 Coturniculus passerinus. Common. 

 Sturnella ludoviciana var. neglecta. Common. 

 Pedioscetes phasianellus var. columbianus. Frequent. 

 JEgialitis vociferus. Frequent. 

 Actiturus Bartramius. Abundant. 

 Numenius longirostris. Occasional. 



After leaving the Missouri, we of course found no large areas of 

 forest. Along Heart River, which in places is well bordered with 

 trees, we found nearly the same kinds of birds as at Fort Eice,. and 

 equally numerous in proportion to the more limited amount of timber. 

 At the Big Muddy we were detained several days by high water, 

 which afforded me an opportunity of becoming quite familiar with 

 the birds found in the vicinity of our camp. The trees were lim- 

 ited to here and there a few low scraggy box elders and elms scat- 

 tered along the creek, a few hundred yards to half a mile or more 

 apart. The banks of the stream were clothed with a thick growth of 

 rose bushes, mixed with a few willows- and a species each of Sympho- 



