ERRATUM. 
By an unfortunate oversight on my part, which 1 regret extremely, 
Baron Maltzan’s name has been mispelled in the earlier parts of this 
paper. Instead of “ Maltzam” read “ Maltzan,” and instead of “Hetero- 
crypta Malizamt” read “ Heterocrypta Maltzani.’”—E. J. M. 
