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CONTNTS The Present State of the Oruis of Guadaloupe Island ......... .John E. Thayer and ............................................................. O?tlram Ban?s 101 Some Fall Migration Notes from Arizona ....................... Harry S. Swarth 107 The Mexican Black Hawk (with one photo) ............. Gerald Barnbet Tho?tas 116 A Migration Wave of Varied Thrushes .......................... Joseph l)[ailliard 118 Notes on the Waltzing Instinct in Ostriches ................... F. lI ?. ])'Evelyn 119 Three Nepts of Note from Northern California ................. Harry [/. Sheldon 120 Notes from Santa Cruz Island ...................................... C. B. Linton 124 FROM FIELD AND STUDY The Green-winged Teal Breeding in California .............. t?..4. Goldman 129 Cooper Hawks Attacking Crows ............................ Joseph l?lailliard 129 2?alpincles obsolettts ptdz2erius restricted to San Nicolas Island .... C. B. Littlon 129 Odds and Ends from ?Vashington State ......................... f. /at. Bowles 129 Some Birds of Aria Capa Island ................................ .J. Gristnell 130 The Condor in the San Joaquin Valley .................. George /?. S/?wart 130 EDITORIAL NOTES .......................................................... 131 MINUTES OF COOPER CLUB MEETINGS ....................................... 132 En te*ed as second-claSs matter February, 19o8, at the post office at Los Angeles (Hollywood Station), California, under Act of CongreSs of March 3, z87?- Issued from The Office of The Condor, First National Bank Building, Hollywood, Cal. Subscribers and Members... The Post Office Department now denies to publishers the second-class mailing privileges where subscribers are six months delinquent. Therefore if you want to keep your files complete? it is well to send in your renewal promptly. Remember... Dues are 1?.oo per year which includes Condor subscription. Subscriptions are l?x.5o per year in United States, Mexico, and U.S. Colonies. ?I.75 per year in Canada and all other countries in the International Postal Union. Sample Copies are 3 cents. Make all remittances to J. EUGENE LAW, BuSINeSS First l?lational Bank Hollywood Station, Los Angeles, Cal. When replying to advertisements please mention THE CONDOR