EREATA. 



Page 24, line 3 from the bottom, for fig. 1 read fig. 2. 



Page 24, line 17 from the bottom, for fig. 2 rcac? fig. 1. 



Page 260, line 12 from top, and page 287, line 10 from the bottom, for 



Druitt read Drewitt. 

 Page 422, last line, for forty-eight read eighty-four. 

 Page 434, line 7 from top, for Opornis read Oporornis, 



