TABLE OF CONTENTS. XIX 
Page 
Genus 2. Panyptila Cabanis...............0.. 0.220 e ee eee eee eee eee eens 690 
Key to the Species of Panyptila...................2.2.0 222-2 e cece eee eee eee 691 
2. Panyptila cayanensis (Gmelin)... .......2.2..2200-22-0- 22222222000 691 
3. Panyptila sancti-hieronymi Salvin...................-.2222.22e-2 eee 692 
Gents 3, Tachornis Gosse.. 6.000.006 dan eeecene ood cceemeeaeae bers alee 693 
Key to the Subspecies of Tachornis pheenicobia............-.--22.2222-222-- 693 
4. Tachornis phcenicobia phcenicobia Gosse................22-2202- 22 eee 694 
5. Tachornis pheenicobia yradii (Lembeye)..........-..-.-.-2---2.2+---- 695 
Genus 4. Streptoprocne Oberholser..........-.----------+----- 2-0-2 eee 696 
Key to the Species and Subspecies of Streptoprocne..............---..2..22. 697 
6. Streptoprocne zonaris albicincta (Cabanis)..............-.2.2-2-2-22-- 697 
7. Streptoprocne zonaris mexicana Ridgway.............---.2----2-2+--- 700 
8. Streptoprocne zonaris pallidifrons (Hartert) ..................-.2.2+-. 701 
9. Streptoprocne semicollaris (Saussure)....---.--.---------------2---2-- 702 
Genus 5. Nephoecetes Baird.......2... 20-02-20 cee eee eee eee eee eee eee eee 703 
Key to the Subspecies of Nephoecetes niger..........--.----------2----2-22. 704 
10. Nephcecetes niger niger (Gmelin). .....-....-.-.-2-.2-2--2-220202-- 704 
11. Nephcecetes niger jamaicensis Ridgway...........-..---2------2----- 705 
12. Nephcecetes niger borealis (Kennerly) .............--.--2-2---2-2---+ 707 
13. Nepheecetes niger costaricensis Ridgway .......-...-.-- pede decane 710 
Genus 6. Cypseloides Streubel............2..2.. 2002022 2c eee eee eee ee eee 710 
Key to the Species and Subspecies of Cypseloides...........-.-.-.--2.-.22-- 711 
14. Cypseloides brunneitorques brunneitorques (Lafresnaye)........-..-. 712 
15. Cypseloides brunneitorques griseifrons Nelson..........-....-.-.-..-- 714 
16. Cypseloides cherriei Ridgway.........-.-.2.2..- 2202s eee ee eee eee 714 
Genus 7. Cheetura Stephens. ...........0..0 22220 714 
Key to the Species and Subspecies of Cheetura..........--.2.2..2-22-2-22+- 715 
17. Cheetura pelagica (Linneeus)......-...-.2-2-2- 22-202 eee eee eee eee eee 717 
18. Cheetura richmondi Ridgway..........-.2-2. 2-2-2202 ee eee eee eee eee 719 
19. Cheetura gaumeri Lawrence. ..........-.22--2202220 ee eee eee eee eee “ 721 
20. Cheetura vauxii (Townsend).............2. 0202020222 e eee eee eee eee 722 
21, Cheetura acuta (Gmelin). ........2.2..2 2.2222 2ee eee eee eee eee 724 
22. Cheetura cinereiventris fumosa (Salvin). ..........2..--2.-2--22------ 725 
23. Cheetura cinereiventris lawrencei Ridgway....-...-..--------.-.+-.- 727 
24. Cheetura cinereiventris pheeopygos Hellmayr.........-.......-..-.-. 727 
25. Cheetura brachyura (Jardine)...........22--20--202 02-22 e eee eee eee 728 
SuBORDER HETERODACTYLS........2.-.22202 00220 cece eee eee eee eee eee 729 
PAMILY “‘TROGONIDA 3.0). mus ss ene ew eee a cesta seeeamemeace Sees seieaes 731 
Key to the Genera of Trogonidee...............02 22.0022 eee eee eee eee eee 732 
Genus 1. Pharomachrus De la Llave........-....2.-0. 2222022202022 2 eee eee 733 
Key to the Species and Subspecies of Pharomachrus...............-.-.-.-.-- 734 
1. Pharomachrus mocinno mocinno De la Llave........-.-.---.2-0.-0--+ 736 
2. Pharomachrus mocinno costaricensis (Cabanis).................-..--- 739 
Genus 2. Leptuas Cabanis and Heine..................2.22-2-22-2222-02200-- 740 
8. Leptuas neoxenus (Gould)..............2..2.22-00 2022-222 c eee eee eee 741 
Genus 3. Curucujus Bonaparte.............-2- 22.22 e eee eee eee eee eee 742 
Key to the Species and Subspecies of Curucujus...........-..-.-----+--+--- 743 
4, Curucujus massena (Gould). .........2.. 2-22-02 cence eee cee eee eee 744 
5. Curucujus melanurus macrourus (Gould)............2..2.22-22-222+--- 747 
6. Curucujus clathratus (Salvin)...............2.. 202-22 e eee ee eee ee eee 749 
Genus 4, ‘Trogon: Brissovini:s.cceiesios soinck siete ss oid osiecineeddeieins ee ise dansieenes 750 
Key to the Species and Subspecies of Trogon..........2.-2000+2eeeeeeeeeeeeee 751 
{. Trogon bairdii Lawrence: ....cesceseee sees ss en wkeeieuta ses saceeias 752 
8. Trogon strigilatus chionurus (Sclater and Salvin)................--2--- 754 
