34 



Genus GYPAGUS, Vieilloti. 

 Syu. Gyparchus, Gloger '•'. 



The skeleton of this genus can be readily distinguished from that 

 of Sarcorliamphus by the characters of the femur, its trochanter 

 being less developed, and the pneumatic foramen placed higher up 

 than in the latter. 



(SppaguiS papa (Linn. =*). 



Syn. VulUir pttpa,'LmTi.^ 



Sareorhamphus impa, Gyparchus papa, and Cathartes impa, 

 Auct. 



With the exception of the closely allied and imperfectly known 

 G. sacer, the only representative of the genus. The occurrence 

 of remains of this species in the Brazilian cave-deposits is first 

 mentioned by Winge in the ' E. Mus. Lund.' vol. i. art. 2, p. 25 

 (1888). 



Hob. South America. 



18887. The proximal portion of the left ulna ; from the cavern- 

 deposits of Lagoa Santa, Minas Gcraes, Brazil. This 

 specimen cannot be distinguished from the corresponding 

 bone of existing skeletons. It shows very clearly the long 

 fossa and the sharp external crest of the surface for the 

 insertion of the brachialis anticus characteristic of the 

 Aceipitres. Claussen Collection. Purchased, 1848. 



Family Uncertain. 



Genus LITHORNIS, Owen\ 



The characters of the sternum and coracoids upon which this genus 

 was foimded appear to affiliate it to the Accijntres. The shaft of the 

 coracoid is, however, relatively much narrower, and the femur pro- 



1 Analyse, p. 21 (1816). 



- Haudbiich d. Natiirgeschichte, p. 235 (18-12). 



3 Syst. Nat. ed. 12, vol. i. p. 122 {nm).~rultur. 



* Loc. cit. 



^ Trans. Geol. See. ser. 2, vol. vi. p. 206 (1841). 



