SYNOPSIS OF THE NORTH AMERICAN SPECIES OF THE SUB-FAMILY PARINÆ. - Illustrations of the Birds of California, Texas, Oregon, British and Russian America - 7 - John Cassin

DESCRIPTION AND TECHNICAL OBSERVATIONS.I. GENUS PARUS. Linnæus. Syst. Nat. I. p. 340. (1766.)

SYNOPSIS OF THE NORTH AMERICAN SPECIES OF THE SUB-FAMILY PARINÆ.