FAMILY TROGLODYTIDAE 



81 



A bird banded by H. Loftin at Curundu, Canal Zone, on December 

 7, 1963, was recaptured there on March 5 and April 30, 1966, and on 

 September 20, 1967. 



THRYOTHORUS THORACICUS Salvin: Stripe-breasted Wren, 

 Cucarachero Pechirayado 



Thryothorus thoracicus Salvin, Proc. Zool. Soc. London, 1864, p. 580. (Tucurrique, 

 Costa Rica.) 



Rather small; dull brown above; foreneck and breast white, heavily 

 streaked with black. 



Description. — Length 106-122 mm. Adult (sexes alike), above 

 brown, varying from a dull grayish brown hue on forecrown to russet- 

 brown on rump and upper tail coverts; in some individuals, very faintly 

 and indistinctly barred narrowly with black; wings and tail somewhat 

 lighter brown, heavily barred with black; side of head and of upper 

 neck dull brownish black streaked with white; a white superciliary line; 

 foreneck and breast white, lined broadly with black, these markings re- 

 duced in extent on abdomen; sides grayish olive, changing to rusty 

 brown on flanks; undertail coverts brown, barred with black; under- 

 wing coverts white, barred and lined with grayish brown. 



Immature, undersurface lighter, somewhat duller brown with black 

 lines greatly reduced in extent, less definite. 



Measurements. — Males (10 from Veraguas and Costa Rica), wing 

 55.0-62.5 (59.0), tail 37.1-40.4 (38.1), culmen from base 18.1-20.0 

 (19.0, average of 9), tarsus 20.6-22.3 (21.6) mm. 



Females (10 from Veraguas, Bocas del Toro, Costa Rica, and Nica- 

 ragua), wing 55.8-62.1 (58.1), tail 34.4-39.8 (36.8), culmen from base 

 17.3-18.9 (18.2), tarsus 19.3-22.0 (20.7) mm. 



Resident. Rare; known on the basis of specimens on the Caribbean 

 slope of Panama, from western Bocas del Toro (recorded from Zegla, 

 Rio Changuena) , to the border with Veraguas (Rio Calovevora, Amer- 

 ican Museum of Natural History) and from Cascajal, northern Code. 

 There are sight records from the Canal Zone (Gatun Dam, Achiote 

 Road) (Ridgely, 1976, p. 267). 



The first authentic published record for the Republic is a male labeled 

 "Almirante," forwarded by Hasso von Wedel, dated May 16, 1927. 

 (Peters, Bull. Mus. Comp. Zool., vol. 71, 1931, p. 330) . It is of interest 

 to note that Austin Smith, in the final days of a trip to Panama in 1927, 

 worked briefly in Bocas del Toro. Among his specimens, preserved in 

 the Havemeyer Collection in the Peabody Museum in New Haven, are 



