1. Booted tarsus of a Robin. 2. Bill ol" a Robin. ?.. Scutcllate tarsus of tlic Brown 

 Thrnsli. 4. Bill of the I'.rown Tliru.-li. T). JJill of a nuthatch. (1. Bill of a creciHT. 7. 

 Bill of a Avavblev; genus IIelminih<iphaf/a ; 8, Dcnilrwca; 0, MyiocUociis. 10. Wing-feather 

 of the Ce<lar-binl, with liorny aiipeiulage. 11. Head of a Cedar-bird, with crest raised. 

 12. Bill of the Goldfinch. 13. Bill of the Rose-breasted Grosbeak. 14. Bill of the Sharp- 

 tailed Fnich. l.j. Tad-feathers of the same bird. IG. Bill of a crossbdl. 17. Ilind-toe 

 and claw of the Snow Bunting. 18. Bill of the Red-winged Blackbird, in. Bill of the 

 Canada Jay. 20. Bill of the Great Crested Flycatcher; (21.) as seen from above. 22. " Mu- 

 cronate" tail-feathers of the Chimney Swift. 2.!. Head of tlie Chimney Swift. 24. " Syn- 

 dactyle"foot of the Kingfisher. 2."). Bill of the Downy AVoodpecker. 2(!. Raptorial bill 

 (genus Accipiter). 27. Tip of bill, genus Fulco. 28. Bill of a pigeon. 20. Tarsu.s of a 

 pigeon. 



