482 CLASS xvi. 



Threnoedus GLOGER, CABAN., Querula VIEILL. Bill moderate, 

 or a little longer than head, strong, "broad, inflated at the sides, 

 narrowed at the tip, emarginate. Nostrils covered with recumbent 

 plumes and bristles. Tarsi not longer than middle toe, covered 

 anteriorly with scutes, reticulate posteriorly. Outer toes scarcely 

 conjoined. Wings long, with second and third or third and fourth 

 quills longest of all. Tail moderate, even, broad. 



Sp. Threnoedus militaris, Muscicapa militaris GM., a large bird, carmine-red, 

 with black wings and tail; Threnoedus rubricollis, Muscicapa rubricollis 

 GM., BUFF. PL eril. 381 ; both species from the tropical regions of the new 

 world. 



Chasmorhynchus TEMM. (Procnias of some writers). Head 

 flat above, broad. Bill moderate, broad at the base, narrowed 

 towards the tip, emarginate, with culmen distinct. Nostrils placed 

 in a large fossa towards the middle of bill. Gape of mouth 

 produced under the eyes. Tarsi covered anteriorly with scutes, 

 reticulate posteriorly. Outer toes conjoined at the base. Wings 

 long, mostly with third and fourth quills subequal, longest of all. 

 Tail moderate, subeven. 



Sp. Chasmorhynchus variegatus, Ampelis variegata GM., Cuv. Regne Ani. 1817, 

 PI. 4, fig. 4, TEMM. PI. col. 51, LESS. Ornith. PI. 52, fig. i ; the male has 

 the neck naked, with many pendant, vermiform lobes of skin ; the head is 

 light brown, the rest of the plumage white, with the exception of the 

 wings, which are black; Chasmorhynchus carunculatus, Ampelis caruncu- 

 lata GM., Procnias nivea GRAY, BUFF. PI. enl. 793, 794, Cuv. R. Ani., ed. 

 itt., Ois. PI. 20, fig. 2 ; both species from Brasil. 



Gymnoderus GEOFFR. Bill shorter than head, with culmen 

 convex, acuminate at the tip, emarginate. Plumes of forehead 

 short, silky, extending over the bill towards the nasal fossa. 

 Orbital region and sides of neck destitute of feathers. Wings with 

 third and fourth quills subequal, longest of all. Tail long, even, 

 broad. 



Sp. Gymnoderus fcetidus, Gracula fostida L., Corvus nudus GM., BUFF. PL 

 enl. 609, GUEBIN Icon., Ois. PL 8, fig. 4 ; in Surinam and Guyana. 



Coracina VIEILL. (except Gymnoderus}. Bill strong, moderate 

 or a little longer than head, somewhat depressed at the base, 

 curved at the tip, compressed, emarginate. Nostrils large, oval, 

 lateral, placed in a fossa. Rigid bristles at the base of bill. Gape 

 of mouth large. Tarsi strong, covered anteriorly with scutes, 



