. Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu. Natural history; Science. COUPE EN LONG SUIVANT LAXE DU CANAL Coupe en travers ; /ir>w ,,,,/ i [^ PLAN DE L ECHELLE. £,„ { ' tak-tmnféCT i. 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 Société fribourgeoise des sciences naturelles. Fribourg : Imprimerie Ant. Henseler

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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience