ERRATA. 



Page 10, /or Triptodon, read Triplodon. 

 " 11, /or Diptodon fuscatum, read Diplodon furcatum. 

 " 14:, for fragrosus, read fragosus. 

 « 14, /or Merchisonianus, read Murchisonianus. 

 " 36, /or augustata, read angustata. 

 " 40, emarginatua should be in the hne of species not synonyms. 



Sectional Litrary- 



DeptofMoll. U.S.N,M. 



Lea Collection. 



