No CrossRef data available.
Published online by Cambridge University Press: 01 May 2009
1 Geol. Mag., April, May, June, 1876.
2 Geol. Mag., Dec. 1876.
3 For a previous review of M. Barrande's labours on Cephalopoda, see Geol. Mag. 1870, Vol. VII. p. 486.Google Scholar