306 ELEMENTS OF OBITITHOLOGY. 



Family VII. Mbkgid^. 



Merganetta, 3. Mergus, 6. Mergellus, 1. 



Suloorder III. PALAMEBE^. 



Family 1. Palambdeidje. 



Palamedea, 1. Chauna, 2. 



Order XVI. IMPENNES. 



Family I. Aptenodytidje. 



Spheniseus, 1. Eudyptes, 16. Aptenodytes, 2. 



Order XVII. CEYPTUEI. 



Family I. Tinamid^. 



1. Subfamily Tinaminae. 



Tinamus, 7. Noihocercus, 3. Crypturus, 16. 

 Rhynchotus, 2. Nothoprocta, 4. Nothura, 4. Taonie- 

 cus, 1. 



2. Subfamily TLnamotmae. 



Calodromas, 1. Tinamotis, 1. 



Subclass II. RATIT^J. 



Order XVIII. STEIJTHIONES. 



Suborder I. APTERYGIFORMES. 

 Family I. Aptebygid*. 

 Apteryx, 4. 



Suborder II. DROMiEIFORMES. 



Family I. DuoMMiiDiB. 



Casuarius, 9. Dromceus, 2. 



Family II. STBUTHiONnjiB. 



Struthio, 1. Shea, 2. Pterocnemis, 1 



