| 23 | 38 | 10 | | 5 | 2 |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
beetle | 1 | 4 | 38 | 48 | 15 | 3 | 6 | 4 |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
ant | | | 7 | 6 | | | | |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
crayfish | | | 3 | 1 | | | 1 | |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
snail | 1 | | | | 1 | | 1 | |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
fish | | | 1 | | | | 1 | |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
snake | | | 2 | | | 1 | | |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
eggshell | | | | | 2 | 1 | 9 | 3 |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+
mammal | 2 | 3 | 5 | 7 | 10 | 2 | 5 | 1 |
-------------------+-----+-----+-----+-----+-----+-----+-----+-----+

Literature Cited

ALDOUS, S. E.

1944. Winter habits of crows in Oklahoma. Jour. Wildlife Management,
8:290-295, 1 fig.

ALEXANDER, F. M.

1930. Notes on the birds of south-central Kansas. Wilson Bull.,
42:241-244.

BARROWS, W. B., and SCHWARZ, E. A.

1895. The common crow of the United States. U. S. Dept. of Agric. Div.
Ornith. and Mammal., 6:1-98, 2 figs.

BLACK, C. T.

1941. Ecological and economic relations of the crow with special
reference to Illinois. Unpublished thesis, Univ. of Illinois, Urbana,
Illinois.

HAYES, W. P.

1918. Studies on the life history of two Kansas Scarabaeidae. Jour.
Econ. Entom., 11:136-144.

1920. The life histories of some Kansas Lachnosterna. Jour. Econ.
Entom., 12:109-117.

HERING, P. E.

1934. The food of the American crow in central New York State. Auk,
51:470-476.

IMLER, R. H.

1939. Comparison of the food of the white-necked ravens and crows in
Oklahoma. Wilson Bull., 51:121-122.

KALMBACH, E. R.

1918. The crow and its relation to man. U. S. Dept. of Agric. Farm.
Bull., 621:1-92, 3 figs., 2 plates, 4 tables.

1920. The crow in its relation to agriculture. U. S. Dept. of Agric.
Farm. Bull., 1102:1-20, 3 figs.

1939. The crow in its relation