378 Annals of the Carnegie Museum. 



its young. The chicks hid immediately and after the parent bird was 

 secured not one could be found although diligent search was made. 

 Upon dissection the old bird proved to be a male. 



Ranges over the whole of the higher parts of the country, probably 

 being more abundant on the higher peaks, as Irazu, Poas, Barba, 

 Turrialba, etc. 



5. Crypturus soui modestus (Cabanis). 



Crypturus modestus Cabanis, Jour, fiir Orn., 1869, 21 2 (Costa Rica). — Frantzius 



(do.) p. 374 (C R.). 

 Crypturus pileatus NUTTING, Proc. U. S. Nat. Mus., V, 1882, 409 (La Palma de 



Nicoya). — Zeledon, An. Mus. Nac. de C. R., I, 1887, 128 (Las Trojas, 



Pozo Azul de Pirris, Naranjo de Cartago). — Cherrie, Expl. Zool. en C. R., 



1891-2, 1893, 54 (Lagarto, Buenos Aires). 

 Crypturus meserythrus Salvin and Godman, Biol. Centr.-Am., Aves, III, 453 



(Jimenez [Underwood]). 

 Crypturus soui modestus Bangs, Auk, XXIV, 1 907, 290 ( Boruca and El Pozo de 



Terraba [Underwood]). 



U. S. Nat. Museum : Pirris (Zeledon). 



Bangs Collection : Pozo Azul, El General de Terraba, Buenos Aires 



(Underwood). 

 Carnegie Museum : Guapiles, Tucurriqui, Cuabre, Buenos Aires (Car- 



riker). Five skins. 



While endeavoring to determine the status of the Costa Rican forms 



of Crypturus soui, Mr. Bangs and myself went carefully over his entire 



series of skins of C. soui, and came to the conclusion that there are 



three very distinct races of this bird ranging from Panama to Mexico, 



and two forms in the northern part of South America. These may 



be arranged and characterized as follows : 



a. Under parts uniform cinnamon-rufous, without any dusky band across upper chest. 

 b. Back rich sepia-brown (Venezuela and Guiana). C. soui soui (Hermann). 

 bb. Back decidedly chestnut-brown (Santa Marta). C soui mustelinus Bangs. 

 aa. Always with a dusky band across upper chest. 



b. Lower parts decidedly cinnamon- or chestnut-brown, especially on breast. 

 c. Pileum sooty-gray, lower parts quite uniform cinnamon-brown (Panama). 



C. soui panamensis n. subsp. 

 cc. Pileum slaty-black, breast bright chestnut (Honduras to Mexico). 



C. soui meserythrus (Sclater). 



bb. Lower parts grayish or sooty-fulvous, pileum slaty-black (Costa Rica, 



Chiriqui, and Nicaragua (?)). C. soui modestus (Cabanis). 



Crypturus soui soui (Hermann). 



Tinamus soui Hermann, Tab. Aff. Anim. (1783), p. 164 (ex Daubenton, PI. 

 Enl., 829), Cayenne. 



