220 WAVED TRIDACTYLIA. 



barred with black and white, and with the back 

 plain black. Female has the crown of the head 

 black, with a few perpendicular white lines. 



This bird is generally found in high northern 

 latitudes, although it occasionally occurs in Aus- 

 tria, and near Woronesch, on the Don. It is 

 likewise abundant in the north of America, about 

 the river Severn, and is said to feed on worms, 

 which it procures from the rotten trees. 



WAVED TRIDACTYLIA. 

 (Tridactylia undulata.) 



TR. albo nigroque varia, subtus alba. 

 Tridactylia varied with black and white, beneath white. 

 Picus undulatus. Vieil. Ois. de L'Amer. Sept. 2. 69. 

 Picus tridactylis. /3. Lath. 2nd. Orn. 1. 243. 56. 

 Picus varius cayanensis. Briss. 4. 54. 20. 

 Epeiche, ou Pic varic ondc. Buff. Hist. Nat. Ois, J. 78. 

 Pic tachete de Cayenne. Buff. PI. Enl. 553. 

 Le Pic onde. Vieil. Ois. de // Amer. Sept. 1. GQ. 

 Southern three-toed Woodpecker. Lath. Gen. Syn. 2. 601. 

 51. A. 



THIS bird was first described by Brisson : it is 

 in length about eight inches : beak one inch, and 

 ash-coloured : crown of the head red ; the rest and 

 upper parts of the body black : under the eye a 

 streak of white : back and rump with a few trans- 

 verse white stripes : under parts white ; with the 

 sides, thighs, and under wing-coverts striated with 



