PT - JOURNAL ARTICLE AU - F. J. Pictet TI - The Quaternian or Diluvian period, considered in its relation to the Present epoch AID - 10.2475/ajs.s2-31.93.345 DP - 1861 May 01 TA - American Journal of Science PG - 345--353 VI - s2-31 IP - 93 4099 - http://www.ajsonline.org/content/s2-31/93/345.short 4100 - http://www.ajsonline.org/content/s2-31/93/345.full SO - Am J Sci1861 May 01; s2-31