ERRATA IN VOL. XVIII. 
p. 1 8, 8th and ioth lines from top: For “ Goulding,” read 
“ Goulden.” 
pp 71 and 72: There are so many misprints in these two 
pages that a cancel leaf is supplied. The binder is 
desired to insert it in place of that formerly printed. 
Facing p. 285, Plate IX.. fig. 4. legend : For " Saxatilis, 
read “ saxatilis.” 
Facing p. 285. Plate IX.. fig. 5. le 8 end ; For " Sulca,a ' 
read “ sulcata. 1! 
