36 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I39 



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1914. The birds of North and Middle America. U.S. Nat. Mus. Bull. 50, 

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1946. Ave y reptil Oligocenos de Mendoza. Bol. Pal. Buenos Aires, No. 21, 

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1865. On the structure of Leptosoma discolor. Proc. Zool. Soc. London, 

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1923. Comparative osteology of the Australian mud-builders. Emu, vol. 23, 

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1940. A toothless bird from the Cretaceous of Alberta. Journ. Pal., vol. 14, 

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 1942. Anatomical notes on the New Zealand wattled crow (Callaeas), with 

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T 959- The arrangement of songbird families. Condor, vol. 61, No. 2, Mar. 

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1927-1934. Aves, in Kiikenthal und Krumbach, Handbuch der Zoologie, 

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1954a. A systematic study of the avian family Fringillidae based on the 

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1959. The birds of the Palearctic fauna, a systematic reference: Order 

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