TY - JOUR T1 - On the Geometrical Forms of Turbinated and Discoid Shells JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 128 SP - 351 EP - 370 PY - 1838/01/01/ UR - http://dx.doi.org/10.1098/rstl.1838.0018 M3 - doi:10.1098/rstl.1838.0018 AU - Moseley, H. ER -