ILLUSTRATIONS 



40. Scapaneus malherbi (Malherbe's 



Woodpecker), head of male and 

 female 233 



41. Thamnophilus doliatus nigricristatus 



(Black-crested Antshrike), head . 244 



42. Myrmofherula fulviventris (Lawrence's 



Antwren), head .... 249 



43. Myrmeciza longipes panamensis 



(White-bellied Antbird), head . 253 



44. Formicarius analis panamensis (Pan- 



ama Antthrush), head . . 255 



45- Synallaxis brachyura nigrifumosa 



(Sooty Synallaxis), head . . 261 



46. Automolus p. pallidigularis (Pale- 



throated Automolus), head . ..262 



47. Xenops genibarbis ridgwayi (Mexican 



Xenops), head .... 263 



48. Sclerurus mexicanus anomalus (Mexi- 



can Sclerurus), head . . .264 



49. Glyphorhynchus cuneatus pectoralis 



(Northern Wedgebill), head . .267 



50. Dendrocincla lafresnayi ridgwayi 



(Brown Dendrocincla), head . 269 



51. Xiphorhynchus n. nanus (Lawrence's 



Woodhewer), head . . .270 



52. Lepidocolaptes a. albolineatus 



(Streaked-headed Woodhewer), 

 head ...... 273 



XXXV 



