Order III. SCANSORES. 
The fourth Family, 
CUCULIDiE, or Cuckows, 
have the Bill of various lengths, generally slender, and more or less compressed on the sides ; the culmen 
curved to the tip, which is more or less emarginated ; the Nostrils lateral, and placed in a membranous 
groove : the Wings long, and generally pointed : the Tail lengthened and rounded : the Tarsi more or 
less long, and covered with broad transverse scales : the Toes long and unequal : the Claws moderate, and 
more or less curved. 
The first Subfamily, 
INDICATORIN.E, or Honey-Guides, 
have the Bill short, broad at the base, with the culmen curved, and the sides compressed to the tip, 
which is entire ; the Nostrils lateral, and placed near the culmen in a membranous groove : the Wings 
long and pointed : the Tail moderate and emarginated : the Tarsi very short, and covered with 
transverse broad scales : the Toes unequal, and the outer anterior toe the longest : the Claws moderate 
and strong. 
Indicator VieilL* 
Bill more or less short, and broad at the base, with the culmen curved, and the sides compressed to 
the tip, which is entire ; the lateral margins nearly straight ; the gonys moderate and ascending ; the 
nostrils lateral, and placed in a membranous groove, with the opening linear, and near the culmen. 
Wings long and pointed ; with the first quill nearly as long as the third, fourth, and fifth, which are 
equal and longest. Tail moderate, emarginated in the middle, and rounded on the sides. Tat^si shorter 
than the outer anterior toe, and covered with broad scales. Toes unequal, the outer anterior toe the 
longest, the anterior pair united at their base ; the claws moderate, compressed, and curved. 
* Established by Vieillot in I8I6 (Analyse, p. 28.). Prodotes of Nitzsch is synonymous. 
