574 
PICARIAN BIRDS. 
bone, which forms a ridge beneath it. Measuring nearly 6 inches in length in 
the larger species, at about 4 inches from its extremity it is obliquely notched 
on both sides; these notches becoming deeper and deeper towards the apex, thus 
giving it a bristly appearance. Resembling the barbets in having a tufted oil- 
gland, the toucans also agree with these birds in the presence of ten feathers to 
the tail. The beak is generally highly coloured; while frequently the bare face 
partakes of the same brilliant hues. When asleep, toucans have a curious way of 
the toco toucan nat. size). 
carrying the tail, which is turned up over the back, while the enormous beak is 
buried beneath the scapular feathers. According to Dr. Sclater’s arrangement, 
toucans may be divided into live genera; namely, Rhamphastus with fourteen, 
Andigena with six, Pteroglossus with eighteen, Selenidera with seven, and 
Aulacorhamphus with fourteen species; the number of toucans now known 
thus being fifty-nine. According to the account of Prince Maxmilian, “these 
birds are very common in all parts of the extensive forests of the Brazils, 
and are killed in great numbers at the cooler portion of the year, for the 
purposes of the table. To the stranger they are of even greater interest than 
