TABLE OF CONTENTS. IX 



Page. 



Genus 12. Phloeotomus Cabanis 153 



Key to the Subspecies of Phloeotomus pileatus 155 



74. Phloeotomus pileatus pileatus (Linnajus) 155 



75. Phloeotomus pileatus floridanus Ridgway 159 



76. Phloeotomus pileatus abieticola (Bangs) 160 



77. Phloeotomus pileatus picinus Bangs 162 



Genus 13. Campephilus Gray 164 



Key to the Species of Campepliilus 165 



78. Campephilus impeiialis Gould 166 



79. Campephilus principalis (Linnaeus) 167 



80. Campephilus bairdii Cassin 169 



Genus 14. Scapaneus Cabanis and Heine 170 



Key to the Species and Subspecies of Scapaneus 172 



81. Scapaneus malherbii (Gray) 172 



82. Scapaneus guatemalensis guatemalensis (Hartlaub) 174 



83. Scapaneus guatemalensis nelsoni Ridgway 178 



84. Scapaneus guatemalensis regius (Reichenbach) 178 



Genus 15. Cniparchus Cabanis and Heine 180 



85. Cniparchus htematogaster splendens (Hargitt) 181 



Genus 16. Xiphidiopicus Bonaparte 182 



Key to the Subspecies of Xipliidiopicus percussus 183 



86. Xiphidiopicus percussus percussus (Temminck) 183 



87. Xipliidiopicus percussus insulse-pinorum Bangs 185 



Genus 17. Veniliornis Bonaparte 185 



Key to the Species and Subspecies of Veniliornis 187 



88. Veniliornis oleaginus oleaginus (Lichtenstein) 188 



89. Veniliornis oleaginus sanguinolentus (Sclater) 190 



90. Veniliornis kirkii darienensis Ridgway 192 



91. Veniliornis kirkii neglectus (Bangs) 193 



Genus 18. Dryobates Boie 194 



Key to the Species and Subspecies of Dryobates 196 



92. Dryobates villosus villosus (Linnaeus) 201 



93. Dryobates villosus audubonii (Swainson) 206 



94. Dryobates villosus maynardi Ridgway 208 



95. Dryobates villosus piger G. M. Allen 209 



96. Dryobates villosus septentrionalis (Nuttall) 210 



97. Dryobates villosus terraenovae Batchelder 211 



98. Dryobates villosus monticola Anthony 212 



99. Dryobates villosus leucothorectis Oberholser 214 



100. Dryobates villosus orius Oberholser 215 



101 . Dryobates villosus hyloscopus (Cabanis) 217 



102. Dryobates villosus harrisii (Audubon) 218 



103. Dryobates villosus sitkensis Swarth 220 



104. Dryobates villosus picoideus (Osgood) 220 



105. Dryobates villosus icastus Oberholser 221 



106. Dryobates villosus intermedins Nelson 222 



107 . Dryobates villosus jardinii (Malherbe) 223 



108. Dryobates villosus sanctorum (Nelson) 225 



109. Dryobates villosus fumeus Oberholser 226 



110. Dryobates villosus extimus Bangs 226 



111. Dryobates pubescens pubescens (Linnaeus) 228 



112. Dryobates pubescens medianus (Swainson) 233 



113. Dryobates pubescens nelsoni Oberholser 235 



