to notify that, in consequence of their having only angement of Exhibitors twelve hours before going to ved, in many cases up to the present time, the full is for this work, particularly from foreign countries, r a limited edition of the introductory part, including strations accompanying them, which must be looked cimen of the plan of the work. A new and more and of the remaining portions of the Descriptive and ppear as soon as possible, and directions for placing the › work will be given with the last part.