ERRATA. 



Page 13. last line of Note*, for "pi. i. of the present volume," read "pi. iii. of ccciii." 

 Page 51. line 24. after Cirripedes a full-stop, and dele to "species at line 27." 



London : 



A. and O. A. Spottiswoode, 



New- street-Square. 



