plies coracoid-sternal articulation.
9. Pectoral artery.
10. Axillary artery.
12. (Unnamed.) Supplies _M. supracoracoideus_.
14. Carotid artery.
15. (Unnamed.) Supplies _M. supracoracoideus_.]

LITERATURE CITED

AMERICAN ORNITHOLOGISTS' UNION

1957. Check-List of North American birds. Baltimore, Maryland, Amer.
Ornith. Union, xiv + 691 pp.

ASHLEY, J. F.

1941. A study of the structure of the humerus in the Corvidae. Condor,
43:184-195.

BEDDARD, F. E.

1898. The structure and classification of birds. London, Longmans,
Green, & Co., xx + 548 pp.

BERGER, A. J.

1956. Anatomical variation and avian anatomy. Condor, 58:433-441.

BHADURI, J. L., and BISWAS, B.

1954. The main cervical and thoracic arteries of birds. Series 2.
Columbiformes, Columbidae, part 1. Anat. Anz., 100:337-350.

BHADURI, J. L., BISWAS, B., and DAS, S. K.

1957. The arterial system of the domestic pigeon (_Columba livia_
Gmelin). Anat. Anz., 104:1-14.

COUES, E.

1903. Key to North American birds. Vol. I, Fifth edit. Boston, The Page
Company, xlii + 535 + [55] pp.

FISHER, H. I.

1955. Major arteries near the heart in the Whooping Crane. Condor,
57:286-289.

GLENNY, F. H.

1940. The main arteries in the region of the heart of three species of
doves. Bull. Fan Mem. Inst. Biol., Zool. ser., vol. 10, pt. 4, 271-278.
(Not seen.)

1955. Modifications of pattern in the aortic arch system of birds and
their phylogenetic significance. Proc. U. S. Nat. Mus., 104:525-621.

HOWARD, H.

1929. The avifauna of Emeryville Shellmound. Univ. Calif. Publs. Zool.,
32:301-394.

HOWELL, A. B.

1937. Morphogenesis of the shoulder architecture: Aves. Auk, 54:364-375.

HUDSON, G. E., and LANZILLOTTI, P. J.

1955. Gross anatomy of the wing muscles in the family Corvidae. Amer.
Midl. Nat., 53:1-44.

MAYR, E.

1955. Comments on some recent studies of song bird phylogeny. Wilson
Bull., 67:33-44.

MAYR, E., LINSLEY, E. G., and USINGER, R. L.

1953. Methods and principles of systematic zoology. New York,
McGraw-Hill Book Co., x + 336 pp.

SIMPSON, G. G.

1961. Principles of animal taxonomy. New York, Columbia Univ. Press, xiv
+ 247 pp.

_Transmitted June 24, 1963._

End of the Project Gutenberg EBook of Thoracic and Coracoid Arteries In Two
Families of Birds, Columbidae and Hirundinidae, by Marion Anne Jenkinson

*** END OF THIS PROJECT GUTENBERG EBOOK THORACIC