1914] Griuncll: Mammals and Birds of the Colorailo Valley 111 



16. Ardea herodias treganzai Court 



17. Herodias egretta (Gmelin) 



IS. Butorides vireseens authonyi (Mearns) 



19. Xycticorax nyeticorax naevius (Boddaert) 



2(1. Grus canadensis (Linnaeus) 



21. Eecurvirostra americana Gmeliu 



22. Fulica americana Gmelin 



23. Pisobia minutilla (Vieillot) 



24. Actitis macularius (Linnaeus) 



25. Oxyechus vociferus vociferus (Linnaeus) 



26. Lopiiortyx gambeli Gambel 



27. Zenaidura macroura marginella (Woodhouse) 



28. Melopelia asiatica trudeaui (Audubon) 



29. Cathartes aura septentrionalis Wied 



30. Circus hudsonius (Linnaeus) 



31. Accipiter velox (Wilson) 



32. Accipiter cooperi (Bonaparte) 



33. Buteo borealis calurus Cassin 



34. Falco mexicanus Schlegel 



3.5. Faleo columbarius richardsoni Eidgway 



36. Falco sparverius phalaena (Lesson) 



37. Pandion haliaetus carolinensis (Gmelin) 



38. Alueo pratincola (Bonaparte) 



39. Otus asio gilmani Swarth 



4(1. Bubo virginianus pallescens Stone 



41. Micropallas whitneyi (Cooper) 



42. Geococcj'x ealifornianus (Lesson) 



43. Cerj'Ie alcyon (Linnaeus) 



44. Dryobates scalaris cactopbilus Oberholser 

 4.5. Sphyrapicus varius nuchalis Baird 



46. Centurus uropygialis Baird 



47. Colaptes cafer collaris Vigors 



48. Colaptes chrysoides mearnsi Ridgway 



49. Phalaenoptilus nuttalli nuttalli (Audubon) 



50. Phalaenoptilus nuttalli nitidus Brewster 



51. Chordeiles aeutipennis te.xensis Lawrence 



52. Chaetura vauxi (Townsend) 



53. Aijronautes melanoleucus (Baird) 



54. Archiloehus alexandri (Bourcier & Mulsant) 



55. Calypte costae (Bourcier) 



56. Tyrannus verticalis Say 



57. Myiarchus cineraseens cinerascens (Lawrence) 



58. Sayornis sayus sayus (Bonaparte) 



59. Sayornis nigricans (Swainson) 



60. Nuttallornis borealis (Swainson) 



61. Myioehanes richardsoni richardsoni (Swainson) 



62. Empidonax difficilis difficilis Baird 



63. Empidonax trailli trailli (Audubon) 



64. Empidonax hammondi (Xantus) 



65. Empidonax wrighti Baird 



66. Empidonax griseus Brewster 



67. PjTocephalus rubinus mexicanus Sclater 



