. comptesrendusheb1341902acad. es naturelles. ^1\ ACADÉMIE DES SCIENCES. lion du chlorure de sodium dont l'image, 1res compliriuée {Jig. 2), représente une croix formée par les diagonales du cube; sur Jes branches de celle croi\ se trouvent des branches p-rpandiculnires pirlanl elles même; d'autre* branches perpendiculaires. l'ia "îS^W,. 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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