TY - JOUR T1 - Observations on the Post-Embryonic Development of Ciona intestinalis and Clavelina lepadiformis JF - Proceedings of the Royal Society of London (1854-1905) VL - 51 SP - 513 EP - 520 PY - 1892/01/01/ UR - http://dx.doi.org/10.1098/rspl.1892.0040 M3 - doi:10.1098/rspl.1892.0040 AU - Willey, A. ER -