Rabat, Institut Scientifique Chérifien, 1932. 8vo (25.2 x 16.3 cm). Half-title, title page, 122 pp.; two plates with explanatory text leaves, including one in full colour. Original printed wrappers.

Describing nearly 300 species of butterflies, including several new species from present-day Ethiopia. Perhaps the only part published, but in any event the only one dealing with diurnal lepidopterids. The colour plate is very nice. Uncut. Stamp on title and blank endpaper, circular label with handwritten number on front wrapper and spine foot otherwise clean. A very good copy. Very scarce. Not in Nissen ZBI.