9F KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
* Group 2. Wing, from 3.75 to 4.75 inches long. 
Virginia Rail. 
Back, black or fuscous, the feathers edged with brownish or grayish olive ; underparts, 
cinnamon rufous, whitish on the throat; bill, slightly curved. 
Rallus virginianus. Virginia Rail. 
See No. 169. 
Back, with more or less white streaks ; breast, gray 
or tawny, according to age; lower belly, dull white. 
Porzana carolina. Carolina Rail or Sora. 
See No. 171. 
* For directions for measurement, see page 9. 
