FAMILY ARDEIDA. — HERONS, EGRETS, AND BITTERNS. roby) 
FAMILY ARDEIDE. 
Herons, Egrets, and Bitterns. 
Bill, nearly straight and sharply pointed; inner side of middle toe nail, 
with distinct comb-like edge; toes, four, all on same level. Bitterns, tail 
with ten feathers. Herons, tail with twelve feathers. 
*Group |. Wing, less than 6 inches long. 
Least Bittern. 
Underparts and sides of the head and throat, buff white; a black patch on sides of 
the breast. Ardetta evilis. Least Bittern. 
See No. 146. 
Underparts and sides of the head and throat, rufous chestnut; under tail coverts, 
dull black. Ardetta neoxena. Cory’s Least Bittern. 
See No. 147. 
* Kor directions for measurement, see page 9 
