Octavo, vi, 374, 4 pages. In Good plus condition. Bound in full green cloth, with gilt lettering to spine. Boards show mild shelf wear, and light rubbing along spine edges and corners. Front board is separating from spine (but remains attached), and rear board has some cracking along rear joint. Text block has mild age toning to edges, and to pages interiorly throughout. Features seven heliotype plates, three of which fold out. Second issue, with "that" misspelled as "htat" on page 208. Shelved in Case 13.