TY - JOUR T1 - On the Anatomy and Physiology of Protopterus annectens. JF - Proceedings of the Royal Society of London (1854-1905) VL - 49 SP - 549 EP - 554 PY - 1890/01/01/ UR - http://dx.doi.org/10.1098/rspl.1890.0127 M3 - doi:10.1098/rspl.1890.0127 AU - Parker, W. ER -