ERRATA EOR VOLUME VI 
INTRODUCTION. 
Page 13, line 26—for “ Helen’s ” read “ Helens.” 
PART I. 
Page 29, line 7—for “ 46° ” read “ 45°. ” 
117, lines 13 and 14—for “ there by the Medical Department of the Army ” read “ at the Presidio, near San Francisco 
by the United States Coast Survey.” 
i 
