1 leaf of plates, [2], 3-80, [4] pages in French and Latin. Frontispiece and four steel engraved full-page illustrations. Printed in Henri Didot's celebrated 2.5-point "Microscopique" type. Text leaves slightly aged. Plates a little brighter. All edges gilt. No inscriptions. 21 x 29 mm. Original green morocco; spine with scrolling gilt five-pointed stars; covers with gilt Cross topped reliquary holder within mitred scrolling gilt borders. Front leather hinge split, but binding still firmly attached. Overall, mild handling wear. Bondy, 77-8. Not in Grand-Carteret, nor Gumuchian, nor Spielmann. Welsh, 5597.