The publications of the Museum of Zoology, University of Michigan, consist of two series-the Occasional Papers and the Miscellaneous Publications. Both series ... NO. 81. A systematic study of the avian family Fringillidae, based on the structure ...... of the skull. By HARRISON B. TORDOFF. (1954) 42 pp., 77 figs. NO. 85.

ates, Sunderland, Massachusetts. TORDOFF, H. B. 1954a. Relationships in the New. World nine-primaried oscines. Auk 71:273–284. TORDOFF, H. B. 1954b. A systematic study of the avi- an family Fringillidae based on the structure of the skull. Miscellaneous Publications Museum of Zoology, University of Michigan No. 81.