INDEX TO KEY. 

 Family MNIOTILTID^. Warblers. 



GROUP i. Wing, less than 2.37 inches long. See page 234. 



Part i. Throat, breast, and belly, yellow; breast, more or less streaked; 



some tail feathers, marked with white. See page 234. 

 Part 2. Throat, breast, and belly, yellow; breast more or less streaked; 



no white on tail feathers. See page 235. 

 Part 3. Throat, breast, and belly, yellow without streaks; some tail 



feathers, marked with white. See page 235. 

 Part 4. Throat, breast, and belly, yellow, without streaks; no white on 



tail feathers. See page 235. 

 Part 5. Throat, yellow; belly, not yellow; tail feathers, marked with 



more or less white. See page 236. 

 Part 6. Throat, yellow; belly, not yellow; no white on tail feathers. 



See page 237. 

 Part 7. Throat, not yellow; belly, yellow; no white on tail feathers. 



See page 237. 

 Part 8. No yellow on throat or belly; no white on tail feathers. See 



page 237. 

 Part 9. No yellow on throat or belly; more or less white on tail feathers. 



See page 238. 

 GROUP 2. Wing, 2.37 to 2.75 inches long. See page 239. 



Part i. Throat, breast, and belly, yellow; breast, more or less streaked; 



some tail feathers marked with more or less white. See page 239. 

 Part 2. Throat, breast, and belly, yellow; breast, more or less streaked; 



no white on tail feathers. See page 241. 

 Part 3. Throat, breast, and belly, yellow, without streaks; some tail 



feathers marked with more or less white. See page 241. 

 Part 4. Throat, breast, and belly, without streaks; no white on the tail 



feathers. See page ^42. 

 Part 5. Throat, yellow; belly, not yellow; tail feathers marked with 



more or less white. See page 244. 

 Part 6. Throat, not yellow; belly, yellow; no white on tail feathers. 



See page 245. 

 Part 7. Throat, not yellow; belly, yellow; more or less white on the tail 



feathers. See page 246. 

 Part 8. Throat, not yellow; belly, not yellow; no white on the tail 



feathers; breast, streaked or spotted with black or dark brown. See 



page 247. 

 Part 9. Throat, not yellow; belly, not yellow; no white on the tail 



feathers; breast, not streaked or spotted with black or dark brown. 



See page 247. 



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