BIRDS OF NORTH AND MIDDLE AMERICA. 



45 



Eastern Panama (Colon, Lion Hill, Bohio, and Tabernilla, Canal 

 Zone; Cana, Darien; Laguna del Pita). 



[Piaya] rutila (not Cumins rutilus Illiger) Lawrence, Ann. Lye. N. Y., vii, 1862, 

 300 (Lion Hill, Panama). 



Piaya gracilis (not Coccyzusa gracilis Heine) Sclateh and Salvin, Proc. Zool. Soc. 

 Lond., 1864, 366 (Lion Hill, Panama; crit.). 



[Piaya] minuta Sclatbe and Salvin, Norn. Av. Neotr, 1873, 108, part (Panama).- 

 Shaepe, Hand-list, ii, 1900, 170, part (Panama). 



Piayaminuia Shelley, Cat. Birds Brit. Mus., xix, 1891, 378, part (Panama) .-Sal- 

 vin and Godman, Biol. Centr.-Am., Aves, ii, 1896, 531, part (Lion Hill, 

 Panama).— Salvadori and Festa, Boll. Mus. Zool., etc., Torino, xiv, 1899, 

 no. 339, p. 8 (Laguna del Pita, Panama).— Bangs, Proc. New Engl. Zool. 

 Club, ii, 1900, 16 (Lion Hill, Panama). 



Piayarutila panamehsis Todd, Ann. Carnegie Mus., viii, no. 2, May 20, 1912, 212 

 (Loma del Leon=Lion Hill, Panama; coll. B. A. and O. Bangs). 



Genus PIAYA Lesson. 



Piaya Lesson, Traite" d'Om., 1831, 139. (Type, Cuculus cayanus Linnaeus.) 

 Pyrrkococcyx « Cabanis, in Schomburgk's Reis. Brit. Guiana, iii, 1848, 713. (New 

 name for Piaya Lesson, on grounds of purism.) 



Rather large, yery long-tailed arboreal Cuculinae (length about 

 380-600 mm.) with tarsus less than one and a half times as long as 

 middle toe without claw (not more than one-fourth as long as wing) ; 

 tail more than one and a half times (sometimes twice) as long as wing, 

 graduated for much more than one-third (sometimes for one-half) 

 its length; tenth (outermost) primary not less than half as long as 

 longest primary; bill shorter than head, strongly decurved, deeper, 

 than wide at nostrils, and coloration mostly bright cinnamon-rufous, 

 the rectrices broadly tipped with white. 



Footnote — Continued. 



locality. 



Wing. 



Tail. 



Ex- 



>osed 



curmen. 



Tarsus. 



Outer 



anterior 



toe. 



FEMALES. 



Fiveadult females from Panama 



Five adult females ( C. r. gracilis') from western Colombia 



Four adult females (C.r. minuta) from Venezuela 



One adultfemale(C.r.mtM4fa?)from Trinidad 



One adult female ( C. r. minuta) from lower Amazon Valley 



One adult female ( C. r. TO«muto?)from eastern Peru 



One adult female (C. r. gracilis?) from Ecuador (Bacay, 



Guayas) 



• One adult (sex unknown) ( C. r. gracilis) from western Ecuador 

 ( Guayaquil) 



102.7 



107 



103 



104 



105 



97 

 101 



153.1 



147.5 

 148.6 

 128 



155 

 147 



136 



148 



18.6 



18.7 



18.9 



19.5 



20 



21 



18.5 



18 



26.7 



25.7 



26.2 



26 



26 



27 



24.5 



18.1 



18.5 



17.7 



18 



19.5 



18 



16.5 



18 



In addition to the well-marked Pacific slope form, C. r. gracilis, one or more addi- 

 tional South American forms probably require separation. 

 « Ilofipds, rgthlich, rgthbraun; /t<5/a«y? Kukuk. (Cabanis and Heine.) 



