104 BIKDS. 



banded; back black with a long white stripe; outer tail 

 feathers wholly white; L. 9; W. 5; T. 3^; a scarlet 

 nuchal band in $ only. U. S.; everywhere. 



3. P. pubescens, L. DOWNY WOODPECKER. LITTLE 

 SAP- SUCKER. Much smaller; outer tail feathers black 

 and white, barred, otherwise precisely like the other; 

 L. 6; W. 3|; T. 2|. U. S:; every where. 



4. PICO IDES, Lacepede. THREE - TOED WOODPECKERS. 



1. P. arcticus, (Sw.) Gray. BLACK - BACKED WOOD - 

 PECKER. Black and white; crown yellow in <$, plain in 

 ?; back uniform black; L. 9; W. 5; T. 3f. Northern, 



5. to U. S. in winter. 



2. P. americanus, Brehm. BANDED THREE - TOED 

 WOODPECKER. Back with a white lengthwise stripe; 

 otherwise as above; L. 8; W. 4J; T. %. Arctic, S. in 

 winter to New England. 



5. SPHYRAPICUS, Baird. SAP-SUCKING WOODPECKERS. 

 1. S. varius, (L.) Baird. YELLOW-BELLIED WOOD- 

 PECKER. Black and white above ; black on breast ; 

 chiefly yellowish below; white wing patch; crown red in 

 adult, chin scarlet in $', L. 8J; W. 4f ; T. 3^. U. S., 

 abundant. 



6. CENTURUSf Swainson. RED-BELLIED WOODPECKERS. 

 1. C. carol in us, (L.) Bon. RED -BELLIED WOOD- 

 PECKER. Grayish, much barred above with black and 

 white; crown and nape crimson in $, crown ashy in $, 

 belly reddish-tinged; L. 9f ; W. 5; T. 3J. E. U. S., 

 rather southerly; N. to N. Wis. 



7. MELANERPES, Swainson. RED -HEADED WOOD- 



PECKERS. 



1. M. erythrocephalus, (L.) Sw. RED-HEADED WOOD- 



