CONTENTS. XXI 



Page. 



60. Passerina nivalis townsendi Eidgway 152 



61. Passerina hyperborea Ridgway 153 



Genus 14. Oalarius Bechstein 154 



Key to the Species and Subspecies of Oalcarius 155 



62. Oalcarius lapponicus lapponicus (Linnieus) 165 



63. Oalcarius lapponicus alascensis Ridgway 158 



64. Oalcarius pictus (Swainson) 160 



65. Oalcarius ornatus (Townsend) 162 



Genus 15. Rhynchophanes Baird 164 



66. Rhynchophanes mccownii (Lawrence) 165 



Genus 16. Calamospiza Bonaparte 167 



67. Oalamospiza melanocorys Stejneger 168 



Genus 17. Spiza Bonaparte 170 



Key to the Species of Spiza 171 



68. Spiza americana (Gmelin) 171 



69. Spiza townsendii (Audubon) 174 



Genus 18. Ohondestes Swainson 175 



Key to the Species and Subspecies of Ohondestes 176 



70. Ohondestes grammacus grammacus (Say) 176 



71. Ohondestes grammacus strigatus (Swainson) 178 



Genus 19. Pooecetes Baird 181 



Key to the Species and Subspecies of Pooecetes 181 



72. Pooecetes gramineus gramineus (Gmelin ) 182 



73. Pooecetes gramineus confinis (Baird) 184 



74. Pooecetes gramineus affinis Miller 186 



Genus 20. Passerculus Bonaparte 187 



Key to the Species and Subspecies of Passerculus 188 



75. Passerculus princeps Maynard 189 



76. Passerculus sandwichensis sandwichensis (Gmelin) 190 



77. Passerculus sandwichensis savanna (Wilson) 192 



78. Passerculus sandwichensis alaudinus (Bonaparte) 194 



79. Passerculus sandwichensis bryanti Ridgway 197 



80. Passerculus beldingi Ridgway 198 



81. Passerculus rostratus rostratus (Cassin) 199 



82. Passerculus rostratus sanctorum ( Ooues ) 200 



83. Passerculus rostratus guttatus (Lawrence) 201 



84. Passerculus rostratus halophilus (McGregor) 202 



Genus 21. Oentronyx Baird 202 



85. Oentronyx bairdii (Audubon) 203 



Genus 22. Ooturniculus Bonaparte 205 



Key to the Species and Subspecies of Ooturniculus 205 



86. Ooturniculus savannarum savannaruni (Gmelin) 206 



87. Ooturniculus savannarum passerinus (Wilson) 207 



88. Ooturniculus savannarum obacurus (Nelson) 209 



89. Ooturniculus savannarum bimaculatus (Swainson) 209 



Genus 23. Ammodramus Swainson 211 



Key to the Species and Subspecies of Ammodramus 212 



90. Ammodramus maritimus maritimus (Wilson) 214 



91. , Ammodramus maritimus mcgillivraii (Audubon) 216 



92. Ammodramus maritimus peninsulse Allen 216 



93. Ammodramus maritimus fisheri Ohapman 217 



94. Ammodramus maritimus sennetti Allen 218 



95. Ammodramus nigrescehs Ridgway 219 



