Sec. 154. Two views of ultra vires contracts.

Sec. 155. Difference in effect between two doctrines.

Sec. 156. The illegality of ultra vires contracts peculiar: Do general rules apply ? Sec. 157. The right to restitution:

(1) In England. Sec. 158. Same: The English doctrine as to money borrowed. Sec. 159. (2) In the United States Supreme Court. Sec. 160. (3) In the State courts. Sec. 161. Enforcement of restitution against policy : Ultra vires contracts of municipal corporations.