. Bulletin biologique de la France et de la Belgique. Biology; Natural history. Vïg. 28. â Dieyenid fi/pus, infusorigène, stades à quatre cellules avant l'écartemenL des deux premières oogonies. â G. : 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 Université de Paris. Laboratoire d'evolution des êtres organisés. Montreuil [etc. ] Gauther-Villars [etc. ]

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Keywords: ., bookcentury1900, bookdecade1910, books, booksubjectnaturalhistory