XVI 



LIST OF WOODCUTS. 



Fig. Page 



50. Head of Ibis sethiopica 410 



51. Head of Ibis bernieri . 410 



52. Male and female Ma- 



gellanic Geese, bred 

 between Bernicla 

 dispar tf and Ber- 

 nicla magellanica $ 421 



53. Numida vulturina. . . . 497 



54. Megacephalon maleo . . 506 



55. Tribonyx mortieri. ... 514 



Fig. Page 



56. Head of Himantopus 



nigricollis 529 



57. Head of Himantopus 



brasiliensis 529 



58. Spheniscus humboldti . 544 



59. Head of Ehea ameri- 



cana 552 



60. Head of Rhea macro- 



rhjncha 553 



61. Head of Ehea darwinii 554 



