PICID.E — PICIN.E: WOODPECKERS. 579 



Artificial Analysis of X. A. Getifra of Picklw. 



Toes 3 Picoides 



Toes 4. 



Tongue not decidedly extensible. 



Body entirely black ; head white Xenopicus 



Body variegated ; head not white Sp/iyropicus 



Tongue very extensible. 



Conspicuously crested ; much over a foot long. 



I'.ill white ; outer hind toe longer than outer front toe Campfphilus 



Bill dark ; outer hind toe not longer than outer front toe Ceophliius 



Not crested ; a foot long or less 



Sides of upper mandible distinctly ridged ; wings spotted Dryobales 



Sides of upper mandible indistinctly or not ridged. 



Back lustrous green ; belly carmine Asipidesmus 



Back blue-black ; belly wliite Melanerpe.s 



Back black-barred ; belly not spotted Centurus 



Back black-barred ; belly black-spotted Colaptes 



CAMPE'PHILIJS. (Gr. (ca^Trr;, liawpe, a caterpillar ; (^tXoj, j'hilos, loving.) Ivory-bills. 

 Of largest size, with very strict neck, conspicuously crested head, and white bill; color black, 



Via. 3'.M. — Ivoiwi.iiiia UiMjdpecker, I iiat. size. (From Brehm.) 



witii white on wini:s and neck, and .'^carlet crest. Hill longer than hea»l, perfectly straight, 

 witli trniicate tip, bevelled side.-, witii slnmi: ridges; broader than higli at base Goiiys very 



