RMRGAJXT–. Bulletin Societe D'Histoire Naturelle de Toulouse (et de Midi Pyrenees).. . Fig. 3. — Défilé et lacs du port de Vénasque, versant Nord.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Société d'histoire naturelle de Toulouse.