TY - JOUR T1 - Remarks upon a Petrified Echinus of a Singular Kind, Shewn to the Royal Society, April 24, 1755, by the Reverend Richard Pococke, LL. D. Archdeacon of Dublin, and F. R. S. Found on Bunnan's-Land in the Parish of Bovingdon in Hertfordshire, Which is a Clay, and Supposed to Have Been Brought with the Chalk, Dug out of a Pit in the Field. By James Parsons, M. D. and F. R. S. JF - Philosophical Transactions (1683-1775) VL - 49 SP - 155 EP - 156 PY - 1755/01/01/ UR - http://dx.doi.org/10.1098/rstl.1755.0027 M3 - doi:10.1098/rstl.1755.0027 AU - Parsons, J. ER -