262 
ON THE CLASSIFICATION OF BIRDS. 
Serilophus, Sw. Bill smaller. Head with a procum- 
bent crest of sUky feathers. Nostrils as in Eury- 
laimus. Rictus smooth. Wings moderate ; lesser 
quills emarginate at the tips. Tail short, rounded ; 
the tips of the feathers, together with those of the 
four first primaries, terminated in soft slender points. 
The rasorial type.* 
S. lunulatus. Zool_ Tr. i. pi. 25. 
Tribe II. CONIROSTRES. 
Bill more or less conic ; slightly notched. 
Family CORVID.®. Crows. 
Size large. Bill thick, strong; the upper mandible 
with a very slight notch. Nostrils covered or defended 
by incumbent bristles ax feathers. Feet strong. 
SuBFAM. CORVIN®. Typical Crows. 
Stature large. Form robust. Feet formed for walking : 
the lateral toes of equal length. Wings lengthened, 
pointed. 
CoRvus, Linn. Bill somewhat lengthened, strong : tip 
of the upper mandible 
slightly inflexed over the 
lower ; obsoletely, or not 
at aU notched : ciUmen ele- 
vated, and slightly curved 
from the base. Nostrils 
covered and concealed by stiff, lengthened, incumbent 
bristles. Wings long, pointed ; the first, second, and 
third quills graduated. Tail various. 
C. corone. Selby, pi. 28. 
Pica. Brisson. Magpie. Tail lengthened, and con- 
siderably graduated. 
Corvus pica. Selby, pi. 31. f. 2. 
* It is by this beautiful type, and Megalavhus regius, that I consider 
the Eurylaimims and the Mmcicapime are united. 
