Errata

XXI. On the Double Metamorphosis in the Decapodous Crustacea, exemplified in Cancer Mænas, Linn. By J. V. Thompson, F.L.S. Deputy Inspector-General of Hospitals. Communicated by Sir James Macgrigor, Bart. M.D. F.R.S. 359 Index .................................................................................................................. 365 APPENDIX. Meteorological Journal kept at the Apartments of the Royal Society, by order of the President and Council. ERRATA. Page 37, line 12. For allied to N. clausa, read allied to N. clausa, Zool. Journal. Page 37, line 19. For Murex Rumphius, Mont., read Murex Bamfius, Donov. Page 37, line 21. For Fusus corneus read Fusus antiquus, Linn.