TY - BOOK TI - Significance of white markings in birds of the order Passeriformes VL - v.6:no.13 (1910) UR - https://www.biodiversitylibrary.org/item/115034 PB - The University press CY - Berkeley PY - 1910 N1 - Cover title. --- Present paper is ... partial fulfillment of the requirements for the master's degree. c. p. 285. AU - Tracy, Henry Chester, KW - Birds KW - Color KW - Passeriformes KW - Songbirds ER -