Cresson, H. T., finds palæolithic implements, [341];

discoveries at Naaman’s Creek, Del., [363];

finds piles, [364], [395];

Aztec music, [420].

Crevaux, J. (with P. Sagot and L. Adam), Langues de la région des Guyanes, [425].

Croghan, Col. George, [318].

Croll, James, Climate and Cosmology, [383], [387];

his theory of climatic changes, [387];

Climate and Time, [387];

controversy with Newcomb, [387].