KEY TO FAMILIES. 



65 



Family 16. Paridai. — NrrnATciiES and Titmice (Fig. 57). 

 Suhfuniily Sittina. — Nuthatches. 



Bill ruthor loii}^ und Hlcndor, the end of the lower mandible slanting 



slightly upward ; wings long: and 



pointed, the third or fourth primary 



the longest, the first very small, not 



an inch in length ; tail short and 



square, the outer feathers blotched 



with white, p. 38(5. 

 Subfamily I'arinw. — Titmice. 



Length 4-50-0'50 ; bill short, stout, and 



rounded, less than half an inch in 



length ; fourth or fifth primary longest, 



first very short, not more than one 



third as long; tail rather long, dull 



ashy gray without white blotches, 



p. 389. 





Family 17. Sylviidce. — Kinolbts and 

 Gnatcatchers (Fig. 58). 

 Length 3-50-5-00; bill slender, re- 

 sembling that of some Warblers, but 

 the first primary is very short, only 

 about one third as long as the longest, 

 p. 3<J1. 





Family 18. TiinUihT. — 

 TiinrsiiEs, Bllebirub, 

 etc. (Fig. TjO). 

 Length over WhO ; bill mod- 

 erate, the tip of the upper 

 mandible notched ; tarsus 

 smooth, the scales, if any, 

 fused and indistinct; tail 

 square ; wings long and 

 pointed, S-?") or over, third 

 primary the longest, the 

 first veiy sliort, less than 

 one inch in length, p. 3<J4. 



Fia. 59. 



