APPENDIX. 



Balanus concavus pacificus Pilsbiy (p. 104). Specimens from 

 between Venice and Rocky Point, California, collected by the Anton 

 Dofirn for the Venice Marine Biological Station, agree with those 

 from Newport, California (pi. 23, figs. 2-2(;), in the form of the 

 opercular valves. This particular race may be denoted as form 

 hrevicalcar. See page 107 for description. 



Balanus ehurneus Gould (p. 80). The following synonym should 

 be added : 



B.{alanus'\ democraticus DeKay, Zoology of New York, INIoIluscn, 1844, ji. 252. 



337 



