APPENDIX. 



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

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

 Dohrn for the Venice Marine Biological Station, agree with those 

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

 opercular valves. This particular race may be denoted as form 

 brevicalcar. See page 107 for description. 



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

 be added : 



B.[alanus] democraticus DEKAY, Zoology of New York, Mollusca, 1844, p. '2~>'2. 



337 



