. Bulletin biologique de la France et de la Belgique. Biology; Natural history. . 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 work.. Université de Paris. Laboratoire d'evolution des êtres organisés. Montreuil [etc. ] Gauther-Villars [etc. ]
![. Bulletin biologique de la France et de la Belgique. Biology; Natural history. 6.. 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 work.. Université de Paris. Laboratoire d'evolution des êtres organisés. Montreuil [etc. ] Gauther-Villars [etc. ] - Stock Photo](https://l450v.alamy.com/450v/rgtprd/bulletin-biologique-de-la-france-et-de-la-belgique-biology-natural-history-6-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-work-universit-de-paris-laboratoire-devolution-des-tres-organiss-montreuil-etc-gauther-villars-etc-rgtprd.jpg)
![. Bulletin biologique de la France et de la Belgique. Biology; Natural history. . 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 work.. Université de Paris. Laboratoire d'evolution des êtres organisés. Montreuil [etc. ] Gauther-Villars [etc. ] - Stock Photo](https://l450v.alamy.com/450v/rgtr78/bulletin-biologique-de-la-france-et-de-la-belgique-biology-natural-history-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-work-universit-de-paris-laboratoire-devolution-des-tres-organiss-montreuil-etc-gauther-villars-etc-rgtr78.jpg)
![. Bulletin biologique de la France et de la Belgique. Biology; Natural history. . 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 work.. Université de Paris. Laboratoire d'evolution des êtres organisés. Montreuil [etc. ] Gauther-Villars [etc. ] - Stock Photo](https://l450v.alamy.com/450v/rgt7gt/bulletin-biologique-de-la-france-et-de-la-belgique-biology-natural-history-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-work-universit-de-paris-laboratoire-devolution-des-tres-organiss-montreuil-etc-gauther-villars-etc-rgt7gt.jpg)
![. Bulletin biologique de la France et de la Belgique. Biology; Natural history. . 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 work.. Université de Paris. Laboratoire d'evolution des êtres organisés. Montreuil [etc. ] Gauther-Villars [etc. ] - Stock Photo](https://l450v.alamy.com/450v/rgt5mx/bulletin-biologique-de-la-france-et-de-la-belgique-biology-natural-history-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-work-universit-de-paris-laboratoire-devolution-des-tres-organiss-montreuil-etc-gauther-villars-etc-rgt5mx.jpg)