See Canis, in index to MAMMALIA.

Dog-Days, that period of the year when Sirius (the Dog-star) rises and sets with the sun. The dog-days commence in the latter part of July, and terminate the beginning of September. See CANICULA.

Dog-Fish. See index to ICHTHYTOLOGY.

Dog-Star, Sirius, a star of the first magnitude, whose rising and setting with the sun gives name to the Dog-days.

Dog-Watches, among seamen, half-watches of two hours each, from 4 to 6 and from 6 to 8 p.m.