EEEATA. 



The first 32 pages have been wrongly numbered. They should 

 read 151 to 182. 



Page 186, line 33, omit "and N." 



Plate facing page 186, /or type " O " wad " N." 



Page 204, line 29, for " labial margin " read "orbital margin." 



Page 209, line 20, for " 1.— Visible " read " 1.— Distinct." 



Page 209, line 21, for " 2.— Visible " read " 2.— Indistinct." 



Page 230, headline,/or "Vol. X." read " Vol. XI." 



In the alternate headlines of pages 263-277,/or "No. 39.— 1891" 

 read " No. 39.— 1889." 



