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Bulletin - United States National Museum - si-pddr - Smithsonian ...

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324 BULLETIN 133, UNITED STATES NATIONAL MUSEUM<br />

and a male killed March 24 on an arid brush-grown flat 15 miles west<br />

of Timuyan in the same Province. An adult male shot December<br />

24, 1920, near Victorica, Pampa, in an open forest of calden and<br />

algarroba, is distinctly intermediate between curatu^ and pata-<br />

gonicus, and marks a point near the dividing line between the two.<br />

The abdomen in this intermediate skin is very faintly yellowish,<br />

and the back only faintly darker than in patagonicus. It might, with<br />

equal propriety be identified with either of the forms concerned.<br />

The geographic races at present known for the species panilus<br />

are indicated below<br />

SPIZITORNIS PARULUS PARULUS (Kittlitz).<br />

Muscicapa Paridus Kittlitz, Mem. Acad. Imp. Sci. St.-Petersbourg, vol. 1,<br />

1831, p. 190. (Concepcion and Valparaiso, Chile.)<br />

Above dark, wing bars absent or faint, auricular dark patch<br />

sharply defined.<br />

Central Chile. Skins from Bariloche, Rio Negro, while not typi-<br />

cal, have been as<strong>si</strong>gned to this race.^^<br />

SPIZITORNIS PARULUS AEQUATORIALIS (Berlepsch and Taczanowski)<br />

Anaeretes parulus aequatorkilis Beklepsch and Taczanowski, Proc. Zool.<br />

Soc. London, 1884, p. 296. (Cechce, western Ecuador.)<br />

Similar to pamlus, but breast more heavilj^ streaked, darker above,<br />

crown with white markings restricted.<br />

Ecuador and Peru.<br />

SPIZITORNIS PARULUS CURATUS Wetmore and Peters.<br />

Spizitornis parulus curatus Wetmore and Petees, Auk, 1924, p. 145. (Rio<br />

Colorado, Gobernacion de Rio Negro, Argentina.)<br />

Similar to parulus, but paler above, with two distinct wing bars,<br />

dark auricular patch less sharply defined and upper breast whiter,<br />

less yellowish.<br />

Eastern Rio Negro through Pampa to Cordoba and the foothills<br />

of the Andes in Mendoza. Eastern Chubut?<br />

SPIZITORNIS PARULUS PATAGONICUS Hellmayr.<br />

Spl<strong>si</strong>tornis parulus patagonicus Hellmayr, Arch. f. Naturg., vol. 85, November,<br />

1920, p. 51. (Neuquen, Gobernacion de Neuquen, Argentina.)<br />

Similar to curatus but paler above with abdomen white.<br />

Eastern Neuquen and northwestern Rio Negro, intergrading with<br />

curatus in central Pampa.<br />

" See Wetmore and Peters, Auk, 1924, p. 145.<br />

.

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