A. 



SUPPLEMENTARY REPORT 



PRESENT STATE OF OUR KNOWLEDGE 



WITH REGARD TO 



THE MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 



BY 

 PHILIP P. CARPENTER, B.A., PH.D. 



From the Report of the British Association for the Advancement of Science, 

 for 1863, pp. 517686. Published in August, 1864. Extra copies, with 

 title-page, dated 1864. 



(i) 



