change in the Grande Soufrière 53 fumaroles since my first visit in April (?) ,1903. The noticeably lessened activity of the Fumaroles Colardeau, Cratère du Sud and Cratère La croix is counter- balanced by the increased activ- ity area occupied by the vents on the slope of L' Echelle. The slight diminution in the discharge at Lac de Soufre and Cratère du Nord may be more apparent than real, while the Cratère Napoléon is certainly as strong now as it was then, if not stronger. Returning with difficulty through the upper reaches of the gorge of the Mahylis, [illegible] we reached the pools of sulphur-