XVI TABLE OF CONTENTS. 



Page. 



7tj. Troglodytes nmsicus ( Lawrence) 591 



77. Troglodytes grenadensis ( Lawrence ) 592 



78. Troglodytes martiniceiisis (Sclater) 593 



79. Tr( iglodytes rufescens (Lawrence) 594 



80. Troglodytes guadeloupensis (Cory) 595 



Genus 8. Olbiorchilns Oberholser 595 



Key to the Species and Subspecies of Olbiorchilns 596 



8L Olbiorchilns hiemalis hiemalis ( Vieillot) 597 



82. Olbiorchilns hiemalis paciticus ( Baird ) 600 



83. Olbiorchilns hiemalis helleri (Osgood) 602 



84. Olbiorchilns alascensis (Baird ) 602 



85. Olbiorchilns meligerus Oberholser 604 



Genus 9. Thryorchilns Oberholser 605 



86. Thryorchilns browni (Bangs) 606 



Genus 10. Henicorhina Sclater and Salvin 607 



Key to the Species and Subspecies of Henicorhina 608 



87. Henicorhina prostheleuca prosthelenca ( Sclater) 610 



88. Henicorhina ]>r()sthelenca i)ittieri (Cherrie) 612 



89. Henicorhina lencophrys collina (Bangs) 613 



90. Henicorhina lenc( )phrys castanea Ridgway 615 



91. Henicorhina lencophrys cai)italis Nelson 615 



92. Henicorhina leucophrj's mexicana Nelson 616 



93. Henicorhina lencophrys festiva Nelson 616 



Genus 11. Nannorchilus Ridgway 617 



Key to the Subspecies of Nannorchilus leucogaster 618 



94. Nannorchilus leucogaster leucogaster (Gould) 618 



95. Nannorchilus leucogaster pacificus ( Nelson) 619 



96. Nannorchilus leucogaster musicus ( Nelson ) 620 



97. Nannorchilus leucogaster brachyurus (Lawrence) 620 



Genus 12. Thryophilns Baird 620 



Key to the Species and Subspecies of Thryophilns 622 



98. Thryophilns castaneus castanens ( Lawrence ) 624 



99. Thryophilns castanens costaricensis (Sharpe ) 625 



100. Thryophilns nigricapillns schottii ( Baird) 626 



101. Thryophilns semibadius (Salvin) 627 



102. Thryophilns thoracicns (Salvin) 628 



103. Thryophilns plenrostictus plenrostictus ( Sclater) 629 



104. Thryophilns plenrostictus nisorius (Cabanis ) 631 



105. Thryophilns plenrostictus ravus Ridgway 631 



106. Thryophilns rnfalbns rnfalbus ( Lafresnaye) 632 



107. Thryophilns rnfalbus castanonotus Ridgway 633 



108. Thryophilns sinaloa sinaloa Baird 635 



109. Thryophilns sinaloa cinereus Brewster 636 



110. Thryophilus sinaloa russeus Nelson 637 



111. Thryophilus galbraithii galbraithii (Lawrence) 637 



112. Thryophilus galbraithii conditns Bangs 638 



113. Thryophilns modestus modestus ( Cabanis) 639 



114. Thryophilus modestus elutus Bangs 640 



115. Thryophilns modestus pnllus Ridgway 641 



116. Thryophilus zeledoni Ridgway 642 



Genus 13. Salpinctes Cabanis 643 



