TYRANNID^E. 



137. PLATYRHYNCHUS MYSTACEUS (Vieill.). 



(BROAD-BILLED TYRANT.) 

 Platyrhynchus mystaceus, Scl. et Salv. Nomencl p. 44 j Wliite, P. Z. S. 1832, 



p. 605 (Misiones). 



Description. Above olive, darker on the head ; coronal patch bright yellow ; 

 lores, eye-region, and ear-coverts pale yellowish; mystacal stripe blackish; 

 wings and tail blackish edged with olive-brown ; below clear fulvous, much 

 whiter on the throat ; upper mandible blackish, lower whitish ; feet pale 

 yellowish : whole length 3-3 inches, wing 2-1, tail 1-1. Female similar, but no 

 coronal patch. 



Hab. Guiana, Brazil, Paraguay, and Northern La Plata. 

 A single example of this species was obtained by White in the forest 

 near San Javier, Misiones. 



138. EUSCAETHMUS MARGARITACEIVENTRIS 

 (d'Orb. et Lafr.). 



Todirostrum margaritaceiventer, d'Orb. Voy., Ois. p. 310 (Corrientes). 

 Euscarthmus margaritaceiventris, Scl. et Salv. Nomencl. p. 45 ; Salvin, 

 Ibis, 1880, p. 357 (Tucuman). Triccus margaritiventris, Burnn. La-Plata 

 Reise, ii. p. 456 (Parana). 



Description. AJbove olive-green, wings and tail blackish edged with olive- 

 green ; whole head above, including sides and back of neck, dark cinereous ; 

 beneath pearly white, passing into pale cinereous on the sides ; under wing- 

 coverts pale yellowish, flanks tinged with olivaceous; bill hazel; feet red: 

 whole length 4-5 inches, wing 2'1, tail 1*9. 



Hab. Paraguay, Northern La Plata, Bolivia, S. Peru, and S.E. 

 Brazil. 



This species, discovered by d^Orbigny in Corrientes, was also met 

 with near Parana by Prof. Burmeister, and by Durnford in Tucuman. 



139. EUSCARTHMUS GULARIS (Temm.). 

 (RED-THROATED TYRANT.) 



Euscarthmus gularis, Scl. et Salv. Nomencl. p. 45; White, P. Z. S. 1882, 

 p. 605 (Corrientes and Oran). 



Description. Olive-brown; wings blackish, wing-coverts tipped and outer 

 secondaries edged with yellowish white, forming two distinct bands ; remiges 

 and rectrices narrowly margined with olive ; head above dark cinereous ; lores 

 and sides of the head surrounding the dark ear-coverts rufous ; beneath white, 



