. Bulletin biologique de la France et de la Belgique. Biology; Natural history. 352 LOUIS SEMICHON. Il on ost (le mémo dos saillios abdominales dorsales qui sont lormées par la partie post(^rieiiro des lorgiles, mais un peu en avant. 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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