The complaint charges an offence committed during a single period of time, from the day first named to the day of making the complaint. Commonwealth v. Sheehan, 143 Mass. 468. Commonwealth v. Dunn, 111 Mass. 426. Commonwealth v. Hoye, 9 Gray, 292. The negation of authority “ then *549and there ” applies to the whole period. Commonwealth v. McKenney, 14 Gray, 1. Commonwealth v. Boyle, 14 Gray, 3. Commonwealth v. Chisholm, 103 Mass. 213.

Exceptions overruled«,