117 



Anas atava, Fraas '. 

 Known by the femur, wliicli is larger than the corresponding bone of Anser 

 cinereiis. The generic reference of this and the fullowing species is doubtful. 

 Bab. Europe (Bavaria). 

 From the Middle Miocene of Steinheiui. 



Anas cygniformis, Fraas '^. 

 Founded upon the evidence of the coracoid, which is somewhat smaller than 

 that of a Swan. 



Hab. Europe (Bavaria). 



From the Middle Miocene of Steinheim. 



Anas, sp. 



The undermentioned specimens are slightly larger than the 

 corresponding bones of A. hlanchardi, and jirobably belong to the 

 species from Steinheim identified by Fraas with the latter. 



Hab. Europe (Bavaria). 



48165. The imperfect left coracoid ; from the Middle Miocene of 

 Lierheim, near Hahneuberg. Purchased, 1877. 



48165 a. The distal portion of the right coracoid ; fiom Lierheim. 



Purchased, 1877. 



Anas lignitifila, Portis ' (ex Salvador!, MS.). 



Founded upon part of a crushed skeleton, which, although undoubtedly 

 referable to the present family, does not afford specific characters. 

 Hab. Europe (Italy). 

 From the Middle Miocene of Monte Bamboli. 



Anas blanchardi, Milue-Edwards *. 



A small species of the size of ^.v sjionsa, but agreeing with Ajias 

 proper in the characters of the tarso-metatarsus. The humerus has 

 the large bicipital surface and well-developed internal proximal 

 crest characteristic of the genus. The length of the humerus 

 varies from 0,075 to 0,078 ; and that of the tibio-tarsus is 0,083. 

 Hab. Europe (France and Germany). 



1 Jahresh. Yer, Nat. Wiirt. vol. xxvi. p. 275 (1870). - Loc. cit. 



^ Mem. E. Ac. Torino, ser. 2, vol. xsxvi. p. 371 (1884). The specimen is 

 described, without name, in vol. xxiv. p. 225 (ISGS). 



* Oiseaus Fossiles de la Franco vol. i. p. 129 (18G7-6S). 



