Rubuta ci gaba don wannan sakin layi - A cikin majalisar, Calès ya zauna tare da rukunin hagu na Dutsen (Faransanci: "La Montagne", waɗanda membobinsu suka zauna a kan mafi girman benen Majalisar), kamar kawunsa Jean-Marie Calès rabin karni kafin (a 1792) a Babban Taron Kasa. Wannan rukunin, a cikin 1848, Alexandre Ledru-Rollin ne ya jagoranta kuma ya tsara shi kuma ya ƙunshi wakilai sittin da shida kamar Pierre-Joseph Proudhon, Pierre Leroux, Victor Schœlcher ko Félicité Robert de Lamennais, wasu daga cikin masu ba da gudummawar zamantakewa a cikin tarihi. Calès yayi ƙoƙari ya kare nasarorin siyasa da mahimman fa'idodin zamantakewar da aka samu bayan Juyin Juya Halin Fabrairu na 1848
a kan hare-haren 'yan Jamhuriyar Republican da kuma jam'iyyar Order (ƙungiyar siyasa da aka kafa ta masu mulkin mallaka da masu ra'ayin mazan jiya, wanda manyan mambobi suka haɗa da Adolphe Thiers, Francois Guizot, Odilon Barrot, da Alexis de Tocqueville), waɗanda suka kasance mafi rinjaye a cikin majalisar. Don haka, Calès ya yi adawa da mummunan manufofin juyin juya hali na Majalisar kuma ya ci gaba da jefa ƙuri'a tare da hagu na "montagnarde" kuma sau da yawa tare da haɗin hagu na hagu (musamman tare da wakilai kamar Étienne Arago, Victor Considerant da Edgar Quinet).