XXIV CONTENTS. 



Page. 



189. Melospiza cinerea morphna ( Oberholser) 372 



190. Molospiza cinerea rufina (Brandt) - ^'3 



191. Melospiza cinerea caurina Ridgway 375 



192. Melospiza cinerea kenaiensis Bidgway 375 



193. Melospiza cinerea insignia (Baird) - 376 



194. Melospiza cinerea cinerea (Gmelin) - 377 



195. Melospiza lincolnii (Audutfon) - 379 



196. Melospiza georgiana (Latham) 382 



Genus 32. Passerella Swainson 384 



Key to the Species and Subspecies of Passerella 885 



197. Passerella iliaca iliaca (Merrem) 386 



198. Passerella iliaca unalaschensis (Gmelin) 389 



199. Passerella iliaca insularis Eidgway 391 



200. Passerella iliaca annectens Ridgway 392 



201. Passerella iliaca townsendi (Audubon) 392 



202. Passerella iliaca fuliginosa Ridgway 394 



203. Passerella iliaca schistacea (Baird) 395 



204. Passerella iliaca megarhyncha (Baird) 397 



205. Passerella iliaca Stephens! Anthony 398 



Genus 33. Oreospiza Ridgway 399 



206. Oreospiza chlorura (Townsend) 400 



Genus 34. Pipilo Vieillot 402 



Key to the Species and Subspecies of Pipilo 403 



207. Pipilo torquatus torquatus Du Bus _ 406 



208. Pipilo torquatus alticola (Salvin and Godman) 408 



209. Pipilo nigrescens (Salvin and Godman) 408 



210. Pipilo macronyx macronyx Swainson 409 



211. Pipilo macronyx virescens (Hartlaub) 410 



212. Pipilo maculatus maculatus Swainson 410 



213. Pipilo maculatus arcticus (Swainson) 412 



214. Pipilo maculatus magnirostria Brewster 414 



215. Pipilo maculatus megalonyx (Baird) 415 



216. Pipilo maculatus clementae (Grinnell) 418 



217. Pipilo maculatus atratus Ridgway 419 



218. Pipilo maculatus oregonua (Bell ) 420 



219. Pipilo consobrinus Ridgway 422 



220. Pipilo carmani Baird 422 



221. Pipilo erythrophthalmus erythrophthalmus (Linnseus) 423 



222. Pipilo erythrophthalmus alleni Couea 426 



223. Pipilo aberti Baird : 427 



224. Pipilo rutilus (Lichtenstein) 428 



225. Pipilo fuscus fuscus Swainson 430 



226. Pipilo fuscus potosinus Ridgway 431 



227. Pipilo fuscus intermedins Nelson 432 



228. Pipilo fuscus mesoleucus (Baird) 432 



229. Pipilo albigula Baird 433 



230. Pipilo crisaalis crissalis (Vigors) 434 



231. Pipilo crissalis carolse (McGregor) _ _ 435 



232. Pipilo crissalis senicula (Anthony) _ _ 436 



Genus 35. Melozone Reichenbach 437 



Key to the Species and Subspecies of Melozone _ _ 438 



233. Melozone kieneri (Bonaparte) 439 



234. Melozone rubricatum rubricatum Cabani.s 440 



235. Melozone rubricatum xantusii (Lawrence) 44I 



