Methods

Description of the Study Area

Data From Analysis of Pellets

Field Observations and Correlations

Economic and Ecologic Significance

Conclusions

Summary

Table 2. Frequencies of Occurrence of Food Residues in Pellets Collected in the Eastern Part of Harvey County—1953.

Table 3. Average, Maximum, and Minimum Percentages of Food Residues in Pellets Collected at Wintering Crow Roosts in the Western Part of the Study Area—1952-53-54.

Table 4. Frequencies of Occurrence of Food Residues in Pellets Collected at Wintering Crow Roosts in the Western Part of the Study Area—1952-53-54.

Transmitted November 9, 1955.