All the provisions of law relating to attachments of real estate and leasehold estates on mesne process apply to registered land, except that the duties required to be performed by the registrar of conveyances shall be performed as the assistant registrar, who shall register the facts required to be recorded, and for that purpose shall keep books similar to those required to be kept for attachments as the registrar of conveyances, if any, and the fees for registering attachments shall be the same as are provided for recording.