APPENDIX. 447 



C. Color, brown, drab, or buflf. 

 (a.) On the ground, except the la&t, and sometimes "3." 

 1. Av. 1.65X1.25. Pale drab buff to rich reddish bufE.** Parindge. § 30, III. 

 (2.) Av. 1.65X1.35. Brownish drab or paler.* Nest where dry. Heath Hen. §30,11. 



3. At. 1.90X1.50. Drab. Birds usually colonial in swamps. Bittern.* 



4. < .72X.55. Usually marked. Nest among reeds. L.-b. Marsh Wren. § 7, II, B. 



(6.) In the holes of trees, or rarely in a nest made in a fork. 

 I. About 2.00X1.50. Yellowish white, or very pale drab. Summer Dueh. 



For § II of this Key, see the next page. 



^ Often somewhat marked. *" It is more than doubtful if the Bittern 



ever breeds in colonies. — W. B. 



