ILLUSTRATIONS 



FACING 

 PAGE 



XV. COVE ON THE SHORE OF PEDRO 



GONZALES, PEARL ISLANDS . 236 



Photograph by Dr. W. G. Van Name. 



XVI. FEMALE SPOTTED-CROWNED ANT- 

 VIREO ON HER NEST CONTAIN- 

 ING Two EGGS. BARRO COLO- 

 RADO ISLAND . . . 246 



Photograph by Dr. Alfred O. Gross. 



XVII. ABOVE GOULD'S MANAKIN. 

 MALE (Left), FEMALE (Right). 

 Manacus v. vitellinus . . 334 



BELOW RED-HEADED MANAKIN. 

 MALE (Right), FEMALE (Left). 

 Pipra mentalis ignifera . 334 



XVIII. SUBMERGED FOREST IN GATUN 



LAKE ..... 346 



Photograph by Mr. F. L. Jaques. 



XIX. A POINT ALONG THE SHORE OF 



BARRO COLORADO ISLAND .- 380 



Photograph by Mr. F. L. Jaques. 



XX. CRIMSON - BACKED TANAGER. 

 Ramphocelus dimidiatus isth- 

 mians . . . .418 



XXI. DEEP FOREST ON BARRO COLO- 

 RADO ISLAND . . . 422 



Photograph by Dr. Alfred O. Gross, 

 xxxi 



