GEN. 1-3 OF KEY. 



^ 1. TUBDUS MIGBATOBIUS L. 

 Robin. 



la. TUBDUS MIGBATOBIUS L., 

 var. CONFINIS (Bd.) Cs. 

 Robin. 



2. TUBDUS NJBVIUS GM. 



Varied Thrush. 



3. TUBDUS MUSTELINUS GM. 



Wood Thrush. 



4. TUBDUS PALLASI CAB. 



Hermit Thrush. 



4a. TUBDUS PALLASI CAB., 

 var. AUDUBONH (Bd.) Cs. 

 Andubon's Thrush. 



4b. TUBDUS PALLASI CAB., 

 var. NANUS (Aud.) Cs. 

 Dwarf Thrush. 



5. TUBDUS SWAINSONI CAB. 



Olive-hacked Thrush. 



5a. TUBDUS SWAINSONI CAB., 

 var. ALICLE (Bd.) Cs. 

 Alice's Thrush. 



5b. TUBDUS SWAINSOISTI CAB., 

 var. USTULATUS (Nutt.) Cs. 

 Oregon Thrush. 



6. TUBDUS FUSCESCENS STEPH. 



Thrush. Veery 



7. OBEOSCOPTES MONTANUS (TOWNS.) BD, 



Mountain Mocking-bird. 



8. MIMUS POLYGLOTTUS (L.) BOIE. 



blocking-bird. 



