VOLUME XI. 



smy.. woo. 



TOE 



NUMBER 91. 



^West*AmericaH*§ 



A popular monthly review and record for the Pacific Coast. 

 Official organ San Diego Society of Natural History. 



Established 1884. 



CONTENTS: 



Soa-archins of the Pacific coast. 



Keview of the Cactacea^ of the United States. — V. 



Queries and Answers. 



Author's Catalog. 



West American Mollnsca, — III. 



Editorial. 



Notes and \evvs. 



73 

 57 

 72 

 71 

 74 



San Diego, California: 



Number 365 Twenty-first street. 

 Charles Russell Orcutt Editor and Publisher. 



Price 10 cents; $1 a i ear; $10 for Life. 



I 



