Language: Bilingual in English and French
All the taxa known at the time of the publication are fully cited and studied. Twenty-three large distributions maps in colours help to understand the subspecies. Many specimens are represented, this part shows 394 specimens. Diagrams and synoptic tables are useful for understanding of all the taxa. This part contains the study of Parnassius apollo (Parnassius mnemosyne was studied in the volume 3).