TY - JOUR T1 - An Account of the Urinary Organs and Urine of Two Species of the Genus Rana JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 111 SP - 95 EP - 100 PY - 1821/01/01/ UR - http://dx.doi.org/10.1098/rstl.1821.0009 M3 - doi:10.1098/rstl.1821.0009 AU - Davy, J. ER -