Adjacent cases, 159.

Agassiz, 50, 153.

Cases under Canon First, 94.
under Canon Second, 10I.

Cato, 141.

Causation, 55, 71.

Mill's doctrine of, 75.

Cause simultaneous with effect, 84.
the sum of conditions, 85.
Chemical nomenclature, 53.
Chinamen, 40.

Classes of inductions, 31.

Classification, 52.

Cliffs of England, 17.

Coexistence, facts of, 7, 47.

Color in animals, 39.

Comprehensive cause, 91.

Concomitant variations, 105, III.

Conditional cause, 61.

Copernicus, 37.

Correction of instances, 106.

Cretans, 17.

Crows, 17, 38, 115.

Crucial instances, 39.

Crusoe, Robinson, 133.
Crystallization, 108.

Dana on coral islands, 121.
Darwin quoted, 11, 69, 117.
on coral islands, 121.
on species, 51.

Davis quoted, 16, 73, 126.

on induction, 31.

Deductive logic, relation to in-

ductive, 2.

Dew, cause of, 110.