GEN. 1-3. OF KEY. 



1. TURDUS MIGRATORIUS L. 



Mobiii. ^ 



la. TURDUS MIGRATORIUS L., 

 ■car. coNFiNis (Bd.) Cs. 

 Ht. liiicas Robin. 



2. TURDUS N^VIUS Gm. 



Taried Tliruisli. 



3. TURDUS MUSTELINUS Gm. 



fVood Tlii'iisli. 



4. TURDUS PALLASI Cab. 



Hermit; Tlirusli. 



4a. TURDUS PALLASI Cab., 

 var. AUDUBONii (Bd.) Cs. 

 Audubon's Tbrusli. 



4b. TURDUS PALLASI Cab., 

 var. nakus (Aud.) Cs. 

 I>ivai*f Tbrusli. 



5. TURDUS SWAINSONI Cab. 



Olive-backed Tbrusb. 



6a. TURDUS SWAINSONI Cab., 

 var. ALicuE (Bd.) Cs. 

 Alice'iS Tbrusb. 



5b. TURDUS SWAINSONI Cab., 

 var. USTULATUS (Nutt.) Cs. 

 Oregron Tbrusb. 



6. TURDUS FUSCESCENS Steph. 



^Vilson's Tbrusb. Veery. 



7. OREOSCOPTES MONT ANUS (Towns.) Bd. 



Mountain miocking-bird. 



8. MIMUS POLYGLOTTUS (L.) Boie. 



Mockingrbird. " 



