308 ON THE CLASSIFICATION OF BIRDS. 
shorter than the anterior. (fig. 278.) Neck sle les 
Tropical America only. 4 
C.rubiginosus. Z.1.i. pl.14. macrocephalus. Spix, 53. £.2. 
Dryotomus, Sw. Lateral ridge nearer to the culmen 
than to the margin. Bill very straight, widened on 
the sides, and broader than it is high. (fig. 279.) 
yyy 
A ote 
‘| 
Versatile toe much shorter than the anterior. Ame- 
rica and Europe. Plumage black and white: repre- — 
senting Picus. 
D. pileatus. Wilson, pl. 29. f 2. lineatus. Spix, pl. 48. — 
Chrysoptilus, Sw. Lateral ridge slight, very close to the 
culmen, which is somewhat curved. Versatile toe 
as long as the anterior. Tropical America. t 
C. Cayennensis. P. Enl. 613.  guttatus. Sp. i. pl. 53. f. 1. © 
Campestris. Spix, pl. 46. 
Matnacontopuus, Sw. Rasorial Woodpeckers. Versatile 
toe shorter than the anterior. Culmen curved. The 
lateral ridge (except in the typical group) wanting. 
Tarsus shorter than the versatile toe. Hind head 
with a crest of very soft feathers. | 
Brachylophus, Sw.*  Nostrils covered. Neck thick. 
Bill widened its whole length. Under mandible — 
thickened at the base, with one or more slightly ele- 
vated lines (representing the lateral ridge) close to 
the culmen, which is arched. Gonys very short. 
Hind head with a shortened, narrow, pointed crestil 
Versatile and ‘anterior toes nearly equal. ‘Tarsus 
shorter. The Old World only. Rasorial, | 
B. viridis. Selby, pl. 38. occipitalis. Gould, Cent. pl. 47. 
canus. Edwards, 65. squamatus. Ib. 48. 
miniatus. Auct. dimidiatus. Pl. Col. 501. 
* Connected to Chrysoptilus by B. puniceus, and to Chrysonotus by B. 
mipodius (Bengalensis Auct.), which completes the circle. 
