Periodical Literature
PERIODICAL LITERATURE EDITED BY GLEN E. WOOLFENDEN ANATOMY AN•) E•BR¾OLOC¾ BVRTO•,P. J.K. 1969. An abnormality of the hyoid apparatusin a Lapwing (Vanel- lus vanellus). Bull. Brit. Ornithol. Club, 89: 134-137.--Left epibranchial horn of hyoid apparatus had been broken, doubled back, and then attached to remainder of horn through cartilaginousfusion and connective tissue binding. Cause of breakage unknown.--F.B.G. McKE•z•, J.L. 1969. The brush tongue of Artamidae. Bull. Brit. Ornithol. Club, 89: 129-130.--Artamus leucorhynchus, superciliosus, cinereus, and cyanopterus have brush-tipped tongues (illustrated) that superficially resemble tongues of the Zoster- opidae.--F.B.G. OLYr•^•T, JR., M. 1969. A most unusual and unique Sparrow Hawk. Loon, 41: 4-7. --A well-feathered immature female found in Minnesota in June 1968 had double flight elementson both wings, includingprimaries, secondaries, alulae, and underwing coverts.--R.W.N. BEHAVIOR BR^C•:m•L, H. 1969. A Carolina Wren shadow-boxing. Wilson Bull., 81: 470. CL^R•:, A. 1969. The behaviour of the White-backed Duck. Wildfowl, 20: 71-74.- Limited behavioral observations of the poorly known Thalassornis leuconotus, in- cluding resting, feeding, flight, voice, comfort movements, threat, and copulation.-- G.E.W. CURRY,J. R. 1969. Red-bellied Woodpecker feeds Tufted Titmouse. Wilson Bull., 81: 470. D^v•s, W.F. 1969. Robin kills snake. Wilson Bull., 81: 470-471. DROST,R. 1968. Dressur von SilbermSwen,Larus argentatus,auf akusticheSignale. Vogelwarte, 24: 185-187.--Free-living Herring Gulls were fed piecesof bread when a whistle was sounded. The birds learned to respond rapidly, coming to the whistle even when the experimenter was hidden, and respondedquickly even after several months interruption of testing.--H.C.M.
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