. comptesrendusheb1461908acad. es naturelles. 31 Juillet 20 Août yvx\T^\'!'â ^,m\w.'N^ la tête (/?.;'. 2 et 3). La partie en éventail en contact avec le noyau se modifie entiè- rement. Les bords s'ouvrent de plus en plus et fînissentipar se recourber en arrière; Fis. S6Aout Fis. 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 nce Periodicals; dicals.

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Keywords: ., book, bookcentury1900, bookdecade1900, bookpublisher, bookyear1908