Section 180. Annuity created by Will is payable for life only, unless* a contrary intention appears by the Will. ,

180. Annuity created by Will is payable for life only, unless* a contrary intention appears by the Will. , - 6 , Period of vesting where Will directs that an an~uity be pmvicled out of the proceeds of property, or out of property generally, or where money is bequeathed to be invested in the purchase of an annuity. * `162,` Abatement of annuity.