LIST OF ILLUSTRATIONS 



PLATES 



I. [Map of Guatemala.] 68 



II. Breast and Trachea of Male Ortalis vetula plumbeiceps 78 



III. [Map showing] Distribution of Races of Calocitta formosa no 



IV. [Map showing] Distribution of Planesticus tristis subspecies, tristis as- 



similis, rubicundus, leucauchen and cenephosa 137 



V. [Map of part of British East Africa.] 140 



VI. [Map of the Leeward Islands, Caribbean Sea.] 192 



vu 



