FAMILY FURNARIIDAE IO5 



of two eggs each of the race Xenops rutilans heteriirus collected at 

 Mount Hope, Trinidad, May 4, 1923, and May 8, 1924. The first "was 

 in a natural cavity of a tree at about 10 feet and was composed of a few 

 leaf-stems and root-fibres." The second was from a nest of "a few 

 root-fibres placed in a hole in a dead stump at 8 feet. . . . The eggs 

 are white and smooth-shelled, one set regular ovals and the second 

 rather rounder. They measure 20.6x15.3, and 20.6x15.2; 21.2 X 

 17.5 and 21 X 17 mm." 



XENOPS RUTILANS SEPTENTRIONALIS Zimmer 



Xenops rutilus septentrionalis Zimmer, Proc. Biol. Soc. Washington, vol. 42, 

 March 25, 1929, p. 82. (Guayabo. Costa Rica.) 



Characters. — Slightly smaller ; faintly darker brown on back ; 

 rump and upper tail coverts darker rufous-brown ; black markings 

 on rectrices slightly less in amount; white of throat less extensive; 

 white streaks on lower surface averaging narrower, with total amount 

 of white reduced. 



A female taken on the lower slopes of Cerro Pando, beyond El 

 Volcan, Chiriqui, February 26, 1965, had the iris mouse brown; 

 maxilla, tip, and cutting edge of mandible blackish neutral gray ; rest 

 of mandible dull brownish white ; tarsus and toes dark neutral gray ; 

 claws blackish neutral gray. 



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

 65.0-68.0 (66.6), tail 44.0-50.3 (47.5), culmen from base 12.3-14.0 

 (13.2), tarsus 13.7-14.8 (14.2) mm. 



Females (5 from Chiriqui and Costa Rica), wing 61.5-64.7 (63.2), 

 tail 45.1-49.4 (47.1), culmen from base 12.9-13.9 (13.4), tarsus 

 14.0-14.7 (14.3) mm. 



Resident. Rare. Recorded from Subtropical Zone of the moun- 

 tains of western Chiriqui. 



This is a little-known bird in Panama, recorded first by one speci- 

 men collected by Arce, and sent to Salvin (Proc. Zool. Soc. London, 

 1870, p. 192). W. W. Brown, Jr., collected two males, now in the 

 Museum of Comparative Zoology, near Boquete, Chiriqui, in March 

 and April 1901. Mrs. M. E. M. Davidson secured a female at Barriles 

 near the Rio Chiriqui Viejo, January 12, 1931. Blake (Fieldiana: 

 Zool., vol. 36, 1958, p. 531) recorded male and female in the 

 Monniche collection taken on Horqueta, above Boquete, in 1933. In 

 recent work Dr. Frank A. Hartman secured a male on Cerro Pando, 

 west of El Volcan, February 22, 1958. In this latter area I have taken 



