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TIONS ON THE WESTERN BANDED GECKO, COLEONYX VARIEGA TUS.-Field studies by Klauber (1945) and Parker (1972) have amplified the knowledge of the ecology of the eublepharine gekkonid Coleonyx variegatus. The food habits and thermal relations of the species, however, remain little known. Knowlton (1938) and Hardy (1944) examined some stomachs, but their analyses were relatively qualitative. Cowles and Bogert (1944), Brattstrom (1952a, 1965), and Mayhew (1968), reported body temperatures of active Coleonyx, but sample means are widely divergent. Vance (1973) recently reported on body temperatures in a thermal gradient.