I need to go back and finish reading this article, but the first page skimmed seems to indicate that there was more to Lamarck's theory than we have given him credit for.1 Ars also has an article on Lamarckian inheritence in mice.2
Ms. Emily Singer. "A Comeback for Lamarckian Evolution? Two new studies show that the effects of a mother's early environment can be passed on to the next generation." Technology Review. Massachusetts Institute of Technology. Viewed 2009-02-16. \
Mr. John Timmer. "In mice, fear learned by parents is transferred to their offspring" Ars Technica http://arstechnica.com/science/2013/12/in-mice-fear-learned-by-parents-is-transferred-to-their-offspring/ Last viewed 2013-12-09. ↩