4 68 



BIRDS OF THE REPUBLIC OF PANAMA — PART 4 



1964, pp. 361-362) found that in Costa Rica it occurs singly, in two's, 

 or three's and takes fruit as well as insects. He describes a wide variety 

 of call notes and a full-bodied song of several rich chee notes. 



LANIO LEUCOTHRORAX ICTUS Kennard and Peters 



Lanio leucothorax ictus Kennard and Peters, 1927, Proc. New England Zool. 

 Club, 10, p. 1. (Boquete Trail, 2300 feet altitude, northwestern Panama.) 



Characters. — In male, feathers of rump are broadly tipped with 

 yellow. 



Measurements. — Male (1 from Bocas del Toro, the type), wing 103, 

 tail 95, culmen from base 25, tarsus 18.5 mm. 



Female ( 1 from Bocas del Toro) , wing 97, tail 96, culmen from base 

 23.5, tarsus 19.5 mm. 



Resident. Known only from the Boquete Trail in western Bocas 

 del Toro, where Kennard collected 2 at 690 m in March, 1926, and H. 

 von Wedel collected 3 others between 450 and 600 m in March 1928. I 

 am not aware of any more recent sightings. In their original descrip- 

 tion, Kennard and Peters found this population intermediate in every 

 respect between nominate leucothrorax and L. I. melanopygius of the 

 Pacific slope of Panama and Costa Rica. 



LANIO LEUCOTHORAX MELANOPYGIUS Salvin and Godman 



Lanio melanopygius Salvin and Godman (ex Ridgway MS), 1883, Biol. Centr.- 

 Amer., Aves, 1, p. 305. (Bugaba, Chiriqui, Panama.) 



Characters. — Rump of male is entirely black. 



A male taken at Puerto Armuelles, Chiriqui, on March 13, 1966, had 

 the iris dark brown; bill black; tarsus dark dull brown, changing at 

 lower end to black with this color continuing over toes and claws. A 

 female collected the same day was similar. 



Measurements. — Males (9 from Panama and Costa Rica), wing 

 95.0-109.4 (101.9), tail 86.4-95.0 (91.4), culmen from base 19.8-22.0 

 (20.9), tarsus 17.0-19.4 (18.3) mm. 



Females (10 from Panama), wing 89.5-100.0 (95.6), tail 80.3-86.0 

 (83.3), culmen from base 19.5-20.7 (20.1), tarsus 16.2-19.5 (18.1) 

 mm. 



Resident. Rare and local in the lowlands and foothills of Chiriqui 

 and Veraguas. Arce collected it during the 1860's in Veraguas at 

 Santa Fe, Santiago de Veragua, Chitra, and Calovevora, which is on 

 the Caribbean slope. Benson and GafTney collected another at Calove- 



