• publisher: Academy of NaturalSciences of Philadelphia
  • creator: Academy of Natural Sciences of Philadelphia
  • contributor: University of Michigan
  • mediatype: texts
  • years: 1857
  • pages: 423
  • language: English
  • lccn: 12030019
  • notes: Description based on: Vol. 151, no. 1 (Dec. 2001); title from journal holdings screen (viewed May 21, 2002).
  • download: pdf file