306 
ELEMENTS OF ORNITHOLOGY. 
Family VII. Mera”. 
Merganetta, 3. 
Mergus, 6. Mergellus, 1. 
Suborder III. PALAMEDE/K. 
Family 1. PALAMEDEID&. 
Palamedea, 1. 
Chauna, 2. 
Order XVI. IMPENNES. 
Family I. ApTENODYTIDA. 
Spheniscus, 1. 
Eudyptes, 16. Aptenodytes, 2. 
Order XVII. CRYPTURI. 
Family I. Trnamip™. 
1. Subfamily Tinamine. 
Rhynchotus, 2. 
Tinamus, 7. 
cus, 1. 
2. Subfamily Tinamotine. . 
Subclass II. 
Calodromas, 1. 
RATITS. 
Nothocercus, 3. Crypturus, 16. 
Nothoprocta, 4. Nothura, 4.  Taonis- 
Tinamotis, 1. 
Order XVIII. STRUTHIONES. 
Suborder I. APTERYGIFORMES. 
Family I, APTERYGID®. 
Apteryx, 4. 
Suborder IT. DROMAZIFORMES. 
Family I. Dromaip». 
Casuarius, 9. Dromeus, 2. 
Family II. SrrurHion 2. 
Struthio, 1. Rhea,2. Pterocnemis, 1 
