114 CABINAT^. 



The following specimens are somewhat larger than the preceding, hut 

 do not present any other luell-marhed differences ; they are 

 smaller than the corresponding bones o/T. casarca. 



A. 113. The distal portion of a left humerus ; from the Eeuch 

 Cavern, Brixliam. Purchased, 1885. 



48915 m. The proximal half of the right ulna. 



A. 115. The left femur; from the Bench Cavern. PurcJiased, 1885. 



Generically Undetermined Specimens. 

 The following bones indicate a bird intermediate in size between 

 Tadorna variegata and Fuligula novce-zealandice. 



All the specimois were obtained from superficial deposits at Wain- 

 gongoro. North Island, New Zealand, and were purchased from 

 Walter Mantell, Esq., about 1855. 



32245 m. The distal half of a right humerus. 



3224511. A similar specimen. 

 32241m. A left ulna. 



32241 n. A similar right ulna, with the proximal cstremitj' im- 

 perfect. 

 32245 0. A similar left ulna, wanting the proximal extremity. 



Genus ANAS, Brisson'. 



The type genus. A few of the leading features in the osteology 

 are noticed under the head of the subfamily. 



In the case of extinct forms this generic term must be employed 

 in a somewhat wider sens& than in recent ornithology, 



fliiaiS boiSfa^, Linn.- 

 The type species. 

 Hab. Europe. 



The following specimens from the caverns of the Lahn Valley, 

 Central Germany, probably belong to this species. 



30517 c. The distal portion of the right tibio-tarsus, the right 

 tarso-metatarsus, imperfect posteriorly, and two phalan- 

 geals of the pes. Hastings Collection. Purchased, 1855. 



3051 7 d. The distal extremity of a rather larger left tibio-tarsus, 

 which may be specifically distinct from the preceding. 



Hastings Collection. 



>■ Ornithologie, vol. vi. p. 307 (1760). 

 ^ Syst. Nat. ed. 12, vol. i. p. 205 (1766). 



