' Conveyance upon tlie sale of property, except transfers, where the purchase or consideration money shall not exceed LSO, ss; exceeding LSO and not exceeding LIOO, 10s!; : exceeding LIOO, for every LSO or fractional part:of LSO, ss. The ixirchase money or consideration shall be expressed in words at length upon such deed or instrument of con vince, and /where the consideration con sists, either wholly or in part, of stock or security, the value shall be expressed upon the deed, and shall be deemed to be the pur chase or consideration money, in respect of which the ad valorem duty shall be charged. Where the consideration shall bs stock, in the public funds or Government Debentures, payable only at the will of the debtor, the duty shall be calculated, according to the average selling price, on th.B day or on One of the ten days preceding the day of the date of the deed, or if no sale shall have taken place within ten days, according to: the. average selling price thereof on the day of the last preceding sale ■; and if such consideration be a mortgage, judgment, or bond or debenture, recoverable by the holder,.the calculation shall be made accord ing to the sum due for principal and interest: AVhere any lands or other property .of .dif-i ferent tenures or holdings, or held under, different' titles, contracted to be sold at one' entire price for the whole, shall be .conveyed: to the purchaser in separate parts or parcels, by different deeds, the purchase or considera tion money for which shall be divided, so that a distinct price for each separate part be set forth upon the deed of conveyance, the. ad valorem duty in respect of the price: or consideration money shall be charged.: Where any - property contracted to be purchased by two or more persons jointly: or by auy person for himself and others, "or wholly for others, at one entire price for the whole, shall be conveyed in parts or -parcels by separate deeds or instruments only the ad valorem duty shall be charged. 