1917.] Chapman, Distribution of Bird-life in Colombia. 341 



the last-named locality have more white in the tail than those from Bar- 

 bacoas, the white at the tip of the outer feather reaching the outer web. 

 Barbacoas, 4; Nare, 1; Puerto Berrio, 1; Malena, 2. 



(1618) Argicus macrodactylus {Spix). 



Cyppos macrodactylus Spix, Av. Bras., I, 1824, p. 51, pi. xxxix, fig. 2 ("In sylvis 

 flum. Amazonum," Berl. & Hart, substitute Ponteboa). 



Inhabits the Tropical Zone at the base of the Eastern Andes. Speci- 

 mens from VUlavicencio and Buena Vista average paler below and have the 

 breast-band whiter and wider than those from La Morelia. I have no 

 topotypical examples. 



La Morelia, 3; Villavicencio, 4; Buena Vista, 2. 



(1619) Nystactes noanamse (Hellm.). 



Bucco noanamm Hellm., Bull. B. O. C, XXV, 1909, p. 20 (Noanamd, w. Col.); 

 P. Z. S. 1911, p. 1195 (Noanamii; Tad6). 



This well-marked species is known only from the headwaters of the San 

 Juan and Atrato rivers. Our four specimens were collected by Mrs. Kerr. 

 In the coloration of the upperparts this bird resembles N. tamatia with 

 which it appears to be congeneric. 



Iguamiando, 3; Quibdo, 1. 



(1620) Hypnelus ruficoUis ruficollis (Wagl.). 



C[apito] ruficollis Wagl., Isis, 1829, p. 658 ("Mexico"; I suggest Bonda, Santa 

 Marta, Colombia). 



Bucco ruficollis Cass., Proc. Acad. N. S. Phila., 1860, p. 134 (R. Truando); 

 Wtatt, Ibis, 1871, p. 374 (Santa Marta; Canuto); Robinson, Flying Trip, p. 157 

 (Barranquilla; R. Magdalena); Allen, Bull. A. M. N. H., XIII, 1900, p. 135 (Bonda; 

 VaUe Dupar; Santa Marta). 



Inhabits the more arid portions of the Tropical Zone of northern .Co- 

 lombia, advancing up the Magdalena Valley to at least Puerto Berrio. 



Turbaco, 4; La Playa, 3; Calamar, 4; Banco, 1; Varrud, 1; Puerto 

 Berrio, 1. 



(1629) Nystalus radiatus {Scl^. 



Bucco radiatus Scl., P. Z. S., 1853, p. 122, pi. 50 ("Colombia" = Magdalena 

 Valley); Scl. & Salv., P. Z. S., 1879, p. 536 (Remedios; Nech6). 



Inhabits the humid Tropical Zone of the Magdalena and lower Cauca 



