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A Distinctive Song Pattern In Gambel's White-Crowned Sparrow, Leonard J. Peyton, Barbara B. Dewolfe Oct 1968

Starvation Of Spring Migrants In The Chiricahua Mountains, Arizona, J. David Licon Oct 1968

Mixed Wood Duck-Tree Duck Clutch In Texas, Eric G. Bolen, Brian W. Cain Oct 1968

The High Frequency Of Occurrence Of The Vestigial Claw In Colinus Virginianus Virginianus, William G. George, Gary M. Brown Oct 1968

Canada Warbler In California, James R. Northern Oct 1968

First Record Of The Gyrfalcon In Idaho, J. David Ligon Oct 1968

Specimen Of The Magnificent Frigatebird From New Mexico, Dale A. Zimmerman Oct 1968

Morphological Homogeneity Of A Population Of Alaska Willow Ptarmigan, George C. West, Susan Savage, Laurence Irving, Leonard J. Peyton Oct 1968

The Survival Rate Of Juvenile Cactus Wrens, Robert E. Ricklefs Oct 1968

Annual Cycle Of Adrenal And Thyroid Glands In Gambel Quail Of Southern New Mexico, Ralph J. Raitt Oct 1968

Anophthalmia In The American Robin, Andrew J. Berger, Deborah V. Howard Oct 1968

Differential Habitat Utilization By Wintering Roughlegged And Red-Tailed Hawks, Gary D. Schnell Oct 1968

News And Notes, The Condor Oct 1968

Anna's Hummingbirds Trained To Select Different Colors In Feeding, Nicholas E. Collias, Elsie C. Collias Jul 1968

Capillariasis In The Gyrfalcon, D. O. Trainer, S. D. Folz, W. M. Samuel Jul 1968

Densities And Species Composition Of Breeding Birds Of A Creosotebush Community In Southern New Mexico, Ralph J. Raitt, Richard L. Maze Jul 1968

An Analysis Of Twitch And Tonus Fibers In The Hatching Muscle, Walter J. Rock, Robert S. Hikida Jul 1968

News And Notes, The Condor Jul 1968

Publications Received, The Condor Jul 1968

Rediscovery Of Maui Nukupuu, Hemignathus Lucidus Affinis, And Sighting Of Maui Parrotbill, Pseudonestor Xanthophrys, Kipahulu Valley, Maui, Hawaii, Winston E. Banko Jul 1968

Nests Of The Red Warbler And Crescent-Chested Warbler In Oaxaca, Mexico, Harold F. Mayfield Jul 1968

First Record Of The Turkey Meleagris Gallopavo From The Pleistocene Of Mexico, Joel Cracraft Jul 1968

Nest Sanitation: A Possible Factor In The Water Economy Of The Roadrunner, William A. Calder Jul 1968

The Bulletin Board, The Condor Jul 1968

Birds Observed On San Nicolas Island, California, William C. Townsend Jul 1968

Standard Metabolism Comparisons Between Orders Of Birds, Jerrold H. Zar Jul 1968

Back Matter (Pdf), The Condor Jul 1968

Officers And Members Of The Cooper Ornithological Society, The Condor Jul 1968

Endocrine Regulation Of Body Weight In The Spotted Munia, Uroloncha Punctulata, Asha Chandola, J. P. Thapliyal Jul 1968

The Systematic Position Of The Surfbird, Aphriza Virgata, Joseph R. Jehl Jr. Jul 1968