CORRIGENDA TO PART I. 



Page 153, note 4, for p. 400 read p. 440. 



„ 155, line 22 from top, after opisthocoelous add or auiphicoelous. 



„ 158, line 7 from bottom, for p. 27 read p. 222, and in lines 10 and 12 

 from bottom, for p. 27 read p. 227. 



