GEN. 13-17 OF KEY. 11 



31b. PAEUS ATRICAPILLUS L., 

 var. CAROLiNENSis (AucL) Cs. 

 Carolina Cliickadee. 



31c. PARUS ATRICAPILLUS L., 

 var. occiDENTALis (Bd.) Cs. 

 ff^estern Cliicliadee. 



32. PARUS MONTANUS Game. 



moiiiBtain Clnickadee. 



33. PARUS HUDSONICUS Forster. 



Huetsonian CEiickadee. 



34. PARUS RUTESCENS Towns. 

 Cliestnut-ltacked Cliickadee. 



35. PSALTRIPARUS MINIMUS (Towns.) Bp. 



I<east TitmoiiJie. 



36. PSALTRIPARUS PLUMBEUS Bd. 



Pliiiubeoiis Titmouise. 



37. AURIPARUS FLAVICEPS (Sund.)Bd. 



Ifelloiv-lieaded Titmouse. 



38. SITTA CAROLINEN"SIS Gm. 

 'fVIiite-bellied IVutliatcli. 



38a. SITTA CAROLINENSIS Gm,, 

 var. ACULEATA (Cass.) All. 

 Slender-billed IVutliatcli. 



39. SITTA CANADENSIS L. 

 Red-bellied IVutliatcli. 



40. SITTAPUSILLALath. 

 Bro^vn-lieaded IVutbatclt. 



41? SITTA PYGM.ffiA ViG. 

 Pygrmy IVutliatcli. 



42. CERTHIA PAMILIARIS L. 

 Bro^vn Creeper. 



