LIST OF ILLUSTRATIONS IN THE TEXT. 



Fig. Page 



1. Head of Tinamus septentrional is — to show the character of the 



bill, which is peculiar to the family 1 



2. Tarsus of Tinamus septentrionalis — to illustrate the transverse 



scutellations on the front part and the hexagonal scales on 

 the hinder portion, which are peculiar to the genus 2 



3. Tarsi of Tinamus and Cri/pfuriis — to show the generic dif- 



ferences 8 



4. Head of Crax nigra — to show the character of the bill and the 



curled crest IS 



5. Head of Penelope granti — to show the bare space round the 



eye and the wattle on the throat 24 



6. Wing of Cumana cumanensis — to show the incised primarv- 



quills '.. 30 



7. Head oi £i/psgchortgx sonnini — to illustrate the crest 32 



8. Head of OJonfopJiorus guianensis — to show the form of the bill. 34 



9. Head of a Pigeon — to illustrate the f orjn of the bill 37 



10. Wing of Leptopiila — to show the incised first primary 47 



11. Head of the Hoatzin — to show the ornamental plumes 52 



1 2. Wing of young Hoatzin — to show the claw 52 



13. Head and foot of Ballus longirostris — to illustrate the shape 



of the bill and the form of the foot (>o 



14. Head of lonornis martinica — to show the frontal shield 78 



15. Head and foot of Ilcliornis — to show the shape of the bill and 



form of the foot 81 



10. Foot of a Grebe — to illustrate the details 83 



17. Head of Podilymhits — to show the peculiar shape and colour 



of the 1)111 85 



18. Head of Cymnchorca Icticorhoa — to illustrate the peculiar bill. 86 



19. Head of a Tern— to ilbistrate the pointed liill ami tin' long 



gon3's 89 



20. Tail of a Tern - to .show the form 90 



21. Head of Rhgnchops — to show the peculiar formation of the bill. 93 



22. Hetul of Liinis ofricithi~-to illustrate the bill with its short 



gonys ^5 



23. Tall i)i Larus u(rici//a — ttj shuw the square tip 95 



24. Head oX the Puma luihiue Skua — to »huw the Looked, bill \i7 



