CONTENTS 



Geographical and Biological Associations .... 49 



The Voyages of the Velero HI 50 



An Account of the Collecting Stations 55 



California South of San Francisco 55 



Northern Channel Islands 56 



Southern Channel Islands 58 



Lower California — West Coast 62 



Islands Off the Coast of Lower California ... 65 



The Revilla Gigedo Islands 69 



Clippfrton Island 70 



Gulf of California — West Coast 96 



Gulf of California — East Coast 135 



Mexico from Cape Corrientes to Guatemalan 



Boundary 151 



Central American Coast 155 



Guatemala 155 



El Salvador 155 



Nicaragua 156 



Costa Rica — Cocos Island 156 



Panama and Canal Zone 162 



Balboa, Canal Zone 164 



Colombia 165 



Ecuador 167 



Peru 199 



The Galapagos Islands 217 



Explanations of Illustrations or Plates 



Plates 17-21 72 



Plates 22-27 93 



Plates 28-33 94 



Plates 34-36 95 



Plates 37-42 107 



Plates 43-48 108 



Plates 49-53 133 



Plates 54-60 134 



Plates 61-65 149 



Plates 66-68 150 



Plates 69-75 171 



Plates 76-81 172 



Plates 82-86 197 



Plates 87-92 198 



Plates 93-98 203 



Plates 99-104 204 



Plates 105-110 230 



Plates 111-115 231 



Plates 116-121 232 



Plates 122-127 257 



Plates 127-128 258 



