Civil Code (Cap. 16), article 738

738. (1) An institution or a legacy is deemed to be made conjointly, if it depends upon on e and the same disposition, an d the testator shall not have specifie d the share of each co-heir or co- legatee in the inheritance or in the thing bequeathed. (2) The shares are deemed to have been specified, only if the testator has expressly fixed the share of each. The words "in e qual parts" or "in equal portions" alone shall not operate so as to bar the right of accretion. Legacy is also deemed to be made conjointly if thing bequeathed is not divisible.