¹ * * * Any share or shares of the said Capital Stock may be transferred by indorsement made on the certificate for such share or shares by the proprietor of such share or shares, or by the Attorney of such proprietor duly authorized thereunto; provided always, that such indorsement shall specify the name of the party to whom the transfer is made; and provided also that no such indorsement shall be effectual to transfer any such share or shares until such indorsement shall have been registered in a Register to be kept for that purpose at the office of the said Association, and until a note of such registration, and of the date thereof, shall have been made on the back of the indorsed certificate under the hand of an officer appointed for that purpose by the Directors of the said Association.