104 



REVIEW OF JAPANESE BIRDS. 

 Measurements. 



Subfamily PIOIli^-3^}, Woodpeckers. 



SYNOPSIS OF THE GENEKA OCCURRING IN JAPAN. 



ft'. Gonys much shorter thau half the commissure; lateral ridge of bill very close ti^ 



culmeu, rather obsolete anteriorly; color, green, with or without red 



Picus, p. 104. 



«-. Gonys not shorter than half the commissure; lateral ridge of bill more distant 



from the culmen, anteriorly reaching nearly or quite to the toniium ; color. 



black, or black and white, with or without red. 



V. Gonys equals half the commissure ; outer hind toe shorter than outer fore toe ; 



neck slender, elongated ; lateral ridge of bill at base nearer the culmeu 



than the tominm Dryocopus, p. 123. 



b'. Gonys longer than half the commi.ssure ; outer hind toe longer than outer fore 

 toe ; neck not slender, and shorter ; lateral ridge of bill at base nearer the 

 tominm than the culmen. 



c'. Gonys distinctly angular and ridged Dryoiaies, p. 108. 



c'^ Gonys not angular nor ridged Yungipicus, p. 1'20. 



« 



PICUS LixXN. 



< V7:^Q.— Picus Linn., S. N., 10 ed., i, p. l\2.— Id., S. N., 12 ed., i, p. 173 (1766), (type P. 



viridis L., cf. Mus. Heiu., iv, p. 30, note). 

 = 1828. — Colaptcs Brehm, Isis, 1828, p. 1274 (same type), (nee. Sw. 1827). 



< 1831. — Gecinus BoiE, Isis, 1831, p. 542 (same type). 



< 1837.— Brachjiloph IIS Swainson, Classif. B., ii, p. 308. 



<^ 1849. — Chloropicos Malherbe, Mem. Acad. Metz, 1849-1850, p. 348 (same type). 

 <C_ 18.50. — Chloropicus Malherbe, Nouv. Chissif. Pic, 2 ed., Sept., 1850 (emend.). 

 = 1862. — Gecinetes Altum, Bericht siv Ornith. Vers.,p. 36 (emend.). 



SYNOPSI.S OF THE JAPANESE SPECIES OF THE GENUS PICUS. 



a'. Cervix and malar stripe red P. awolera. 



a-. No red on cervix nor on malar stripe . _ P. jessoensis. , 



The Japanese species may be distingaislied from allied species of tlie 

 adjacent regions as follows : 



