One of the chapters of M. Maurice Souriau's Histoire du Parnasse is entitled “la Question Déroulède.” In this chapter, M. Souriau describes the popularity of Paul Déroulède's Chants du soldat (1872) and of its sequels, such as Nouveaux chants du soldat (1875), as well as the hostility of Flaubert, Leconte de Lisle, and most of the Parnassians to this type of poetry. Insinuating that this hostility was due, in part at least, to the huge sales of Déroulède's volumes, Souriau attacks this attitude bitterly, praises Déroulède's modesty, and allows his critical judgment to be so completely warped by his own chauvinism as to find in Déroulède both an important writer and a great thinker, even greater, perhaps, than Leconte de Lisle because his work “a communiqué à ses' auditeurs le plus vivifiant patriotisme” while that of Leconte de Lisle “a développé trop souvent, trop longtemps, devant ses lecteurs, le plus noir pessimisme.” He calls attention to Calmettes' criticism of Leconte de Lisle as “un adversaire déclaré des Muses patriotiques” and adds: “Il l'était pendant le siège.” He concludes his chapter with the words: “Il [Déroulède] a comblé la lacune du Parnasse.”