452 TINAMID. 
a specimen from Mr. Underwood procured at Pozo Azul on the 22nd of February, 
1898. 
T. castaneiceps is scarcely separable from T. ruficeps, but is recognizable from 
1’. robustus by its darker coloration, and especially by the greater number and closer 
distribution of the black bars on the upper surface. The head is, moreover, of a 
deep vinous chestnut colour, while in TZ. rodustus it is slaty-black and the forehead 
is grey. The sides of the back of the crown and the sides of the neck are also of a 
deep sandy-buff colour, with numerous black bars, all of a darker shade than in the 
last-mentioned species. 
Lieut. Wood states that this bird was heard near the first range of the Cordilleras, on 
the Rio Truando1. It had a very loud continued note, not inappropriately compared 
by the members of the expedition to the whistle of a locomotive engine. 
The eggs of the closely allied species, 7. ruficeps, are blue. 
NOTHOCERCUS. 
Nothocercus, Bp. C. R. xlii. p. 957 (1856) ; Salvad. Cat. Birds Brit. Mus. xxvii. p. 509 (1895). 
Nothocercus resembles Tinamus in possessing ten tail-feathers, hidden by the upper 
tail-coverts, and also in having the hinder aspect of the tarsus rough ; but the scales on 
the hinder aspect of the tarsus are not prominent on the upper margin, and the toes, 
especially the middle one, are lengthened (cf. Salvadori, t. c. p. 496). 
Five species are known, four of which are South-American, while one, WV. frantzii, 
is the Central-American representative of the genus. 
1. Nothocercus frantzii. (Nothocercus bonapartii, Tab. LXXVIIL.) 
Tinamus franizii, Lawr. Ann. Lye. N. Y. ix. p. 140'; v. Frantzius, J. f. Orn. 1869, p. 374’; 
Salv. Ibis, 1874, p. 312°. 
Nothocercus franizii, Salvad. Cat. Birds Brit. Mus. xxvii. p. 512‘; Oates, Cat. Eggs Brit. Mus. i. 
p. 11’. 
Nothocercus bonapartit (nec Gray), Boucard, P. Z. 8. 1878, p. 41°; Zeledon, An. Mus. Nac. Costa 
Rica, p. 1287. 
Tinamus nigricapillus, pt. (nec Gray), Schl. Mus. Pays-Bas, Tinami, p. 17°. 
Supra obscure brunneus, vix olivascens, indistincte lineis transversis fuscis irroratus ; alis ochracescentioribns, 
tectricibus fusco irregulariter transfasciatis et maculis parvis ochraceis ornatis; remigibus intus fuscis, 
extus nigro et rufescenti-fulvo transfasciatis et nigro marmoratis; supracaudalibus plumosis, dorso 
concoloribus, et maculis minutis albidis ornatis; pileo saturate plumbescenti-cinereo, loris et facie 
laterali vix pallidioribus; collo postico et laterali sordide castaneo-rufis; genis et gula rufescenti-ochraceis; 
gutture imo et prepectore rufescentibus, fasciis paucis nigricantibus et fulvis variegatis ; pectore concolore 
rufescenti-ochraceo ; abdomine medio pallidiore ; corporis lateribus brunnescentioribus, olivaceo lavatis, 
fasciis ochraceis et nigris, maculis parvis ochraceis ornatis ; subcaudalibus hypochondriis concoloribus, sed 
latius ochraceo fasciatis ; subalaribus vix rufescentioribus et modo pectorali irroratis, majoribus tamen et 
remigibus intus cinerascentibus: maxilla nigra, mandibula fuscescenti-flava ; pedibus sordide carneo- 
brunneis. Long. tota circa 13-0, ale 8-2, caude 2:0, culm, 1-4, tarsi 2°35. (Descr. femine adulte ex 
Irazu. Mus, nostr.) ° 
