EREATA. 



Page 123, 8th line from top, for "also" read "alone." 

 „ 251, 2nd line from top, for " from a Specimen " read " from Specimens. 

 ,, 266, 14tli line from bottom, and page 267, 18tli Hne from bottom, for 

 " E. E. Cotes " read " E. C. Cotes." 



