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GEN. 1-3 OF KEY. 
1. TURDUS MIGRATORIUS L. 
Robin. 
la. TURDUS MIGRATORIUS L., 
var. CONFINIS (Bd.) Cs. 
St. Lucas Robin. 
2. TURDUS NZEVIUS Go. 
Varied Thrush. 
3. TURDUS MUSTELINUS Gm. 
Wood Thrush. 
4. TURDUS PALLASI Cas. 
Hiermit Thrush. 
4a. TURDUS PALLAST Cas., 
var. AUDUBON (Bd.) Cs. 
Audubon’s Thrush. 
4b. TURDUS PALLASI Caz., 
var. NANUS (Aud.) Cs. 
Dwarf Thrush. 
5. TURDUS SWAINSONT Cas. 
@Olive-backhed Thrush. 
5a. TURDUS SWAINSONT Cas., 
var. ALICL# (Bd.) Cs. 
Alice’s Thrush. 
5b. TURDUS SWAINSONI Cas., 
var. USTULATUS (Nutt.) Cs. 
Oregon Thrush. 
6. TURDUS FUSCESCENS StTrpz. 
Wilson’s Thrush. Veery. 
7. OREOSCOPTES MONTANUS (Towns.) Bp. 
Mountain Mockingbird. 
8. MIMUS POLYGLOTTUS. (L.) Bors. 
Mocking bird. 
