VIII TABLE OF CONTENTS. 



Key to the Species and Subspecies of Centurus — Continued. Page. 



33. Centurus hoffmanni Cabanis 76 



34. Centurus polygrammus polygrammus Cabanis 78 



35. Centurus polygrammus frontalis (Nelson) 80 



36. Centurus aurifrons (Wagler) 81 



37. Centurus santacruzi santacruzi Bonaparte 84 



38. Centurus santacruzi grateloupensis (Lesson) 87 



39. Centurus santacruzi pauper Ridgway 88 



40. Centiu-us chrysogenys chrysogenys (Vigors) 89 



41. Centurus chrysogenys flavinuchus Ridgway 91 



42. Centm-us hypopolius (Wagler) 92 



43. Centurus vu-opygialia uropygialis Baird 93 



44. Centurus uropygialis brewsteri Ridgway 96 



45. Centurus radiolatus (Wagler) 97 



46. Centurus striat us (Miiller) 98 



Genus 5. Balanosphyra Ridgway 100 



Key to the Species and Subspecies of BalanosphjTa 101 



47. BalanosphjTa formicivora formic ivora (Swainson) 102 



48. Balanosphyra formicivora aculeata (Mearns) 105 



49. BalanosphjTa formicivora bairdi (Ridgway) 107 



50. Balanosphyra formicivoi-a angustifi-ons (Baird) 108 



51. Balanosphyra formicivora albeola (Todd) 109 



5^. Balanosphyra formicivora striatipectus (Ridgway) 110 



53. Balanosphyra xantholarynx (Reichenbach) Ill 



Genus 6. Linneopicus Malherbe 112 



54. Linneopicus herminieri (Lesson). . : 113 



Genus 7. Asyndesmus Coues 113 



55. Asyndesmus lewisi Riley • 114 



Genus 8. Tripsurus Swainson 117 



Key to the Species and Subspecies of Tripsurus 119 



5G. Tripsurus pucherani pucherani (Malherbe) 119 



57. Tripsurus pucherani perileucus (Todd) 122 



58. Tripsurus chrysauchen (Salvin) 123 



Genus 9. Chloronerpes Swainson 124 



Key to the Species and Subspecies of Chloronerpes 125 



59. Chloronerpes auricularis Salvin and Godman 128 



60. Chloronerpes eeruginosus (Malherbe) 129 



61. Chloronerpes rubiginosus yucatanensis (Cabot) 131 



62. Chloronerpes rubiginosus uropygialis (Cabanis) 133 



63. Chloronerpes chrysochlorus aurosus Nelson 134 



64. Chloronerpes callopterus Lawi'ence 135 



65. Chloronerpes simplex simplex Salvin 136 



66. Chloronerpes simplex allophyeus Bangs 138 



Genus 10. Celeus Boie 138 



Key to the Species and Subspecies of Celeus 140 



67. Celeus immaculatus Berlepsch 141 



68. Celeus castaneus (Wagler) 141 



69. Celeus loricatus loricatus (Reichenbach) 143 



70. Celeus loricatus diversus Ridgway 145 



Genus 11. Ceophloeus Cabanis 146 



Key to the Subspecies of Ceophloeus lineatus 147 



71. Ceophloeus lineatus mesorhynchus (Cabanis and Heine) 148 



72. Ceophloeus lineatus similis (Lesson) 150 



73. Ceophloeus lineatus scapularis (Vigors) 152 



