i^l8j Packard: Quantitative Analysis of Molluscan Fauna 323 



^ f r F f ? y p F F i^ ^ i^ f r ^ F ri i^ fi 



Corquinez STroit 



Oolden Go\e 



■ III I I I I I I — I — J — 1 — I I , I — L 



Fig. B — Mean annual salinity at each of the hydrographie stations of the 

 regular series. (After Sumner et al.) 



