. Bulletin de la Société fribourgeoise des sciences naturelles : compte-rendu. Natural history; Science. BULLETIN SOCIÉTÉ FRIBOURGEOISE SCIENCES NATURELLES OOMPTE-RENDTJ 1903-1904 VOL. XII. AVEC DEUX PORTRAITS ET TROIS GRANDES PLANCHES HORS TEXTE F R 1 B 0 U R G IMPRIMERIE FRAaNIÈRE FRÈRES. 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