CONTENTS IX 



Order Galliformes : Fowllike birds — Continued. 



Superfamily Phasianoidea : Grouse, pheasants, turkeys— Continued. 



Family Tetronidae: Grouse, ptarmigan, etc. — Continued. Pa^^ 



Bonasa iimbcUus pliaia Aldrich and Friedmann 178 



Bonasa umbelhts incaiia Aldrich and Friedmann 179 



Bonasa umbellns yiikonensis Grinnell 182 



Bonasa umbellus umbelloides (Douglas) 184 



Genus Pedioecetes Baird 187 



Key to the forms of Pedioecetes phasianellus (Linnaeus) . . 189 



Pedioecetes phasianellus caurus Friedmann 190 



Pedioecetes phasianellus kemiicottii Suckley 193 



Pedioecetes phasianellus phasianellus (Linnaeus) 194 



Pedioecetes phasianellus jamesi Lincoln 196 



Pedioecetes phasianellus columbianns (Ord) 200 



Pedioecetes phasianellus campesiris Ridgway 203 



Genus Tympanuchus Gloger 206 



Key to the forms (adults) of the genus Tympanuchtis 207 



Tympanuchus cupido cupido (Linnaeus) 208 



Tympanuchus cupido pinnatus (Brewster) 212 



Tympanuchus cupido attivatcri Bendire 217 



Tympanuchus pallidicinctus (Ridgway) 219 



Genus Centrocercus Swainson 223 



Centrocercus urophasianus (Bonaparte) 224 



Family Phasianidae : American quails, partridges, and pheasants .... 230 



Key to the North and Middle American genera of Phasianidae 235 



Genus Dendrortyx Gould 239 



Key to the adults of the forms of Dendrortyx 240 



Dendrortyx barbatus Gould 241' 



Dendrortyx macroura macroura (Jardine and Selby) 243 



Dendrortyx macroura griseipectus Nelson 245 



Dendrortyx macroura diversus Friedmann 246 



Dendrortyx macroura striatus Nelson 247 



Dendrortyx macroura oaxacae Nelson 248 



Dendrortyx leucophrys leucophrys (Gould) 249 



Dendrortyx leucophrys nicaraguae Miller and Griscom 250 



Dendrortyx leucophrys hypospodius Salvin 252 



Genus Oreortyx Baird 253 



Key to the forms (adults in fresh plumage) of Oreortyx 



picta (Douglas) 255 



Oreortyx picta palmeri Oberholser 255 



Oreortyx picta picta (Douglas) 258 



Oreortyx picta confinis Anthony 261 



Oreortyx picta eremophUa van Rossem 262 



Genus Callipepla Wagler 264 



Key to the forms of Callipepla squamata (Vigors) 265 



Callipepla squamata pallida Brewster 265 



Callipepla squamata castanogastris Brewster 269 



Callipepla squamata squamata (Vigors) 270 



Genus Philortyx Gould 272 



Philortyx fasciatus (Gould) 273 



Genus Lophortyx Bonaparte 275 



Key to the forms (adults) of the genus Lophortyx 277 



Lophortyx calif ornica calif ornica (Shaw) 279 



Lophortyx calif ornica brunnescens Ridgpway 284 



