TY - JOUR T1 - Additional Observations on the Osteology of the Iguanodon and Hylaeosaurus JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 139 SP - 271 EP - 305 PY - 1849/01/01/ UR - http://dx.doi.org/10.1098/rstl.1849.0015 M3 - doi:10.1098/rstl.1849.0015 AU - Mantell, G. AU - Melville, A. ER -