CIIARACTErvS OF IIiI^:MATOTHERMA. 11 



larynx trimuscular ; intestinal caica usually absent, or laro-e ; 

 wings powerful, in some long and pointed ; legs small and weak, 

 with few exceptions not used in locomotion; with the back toe 

 i short, sometimes turned forward ( Cypselus), or wantino- 

 ( Ceijx) ; the outer toe iv is reversible in some ( Trogon), in 

 others united to the mid-toe in, as far as the penultimate joint, 

 fig. 7. Many nidificate in holes of trees, or in the earth ; the 

 eggs are white and subsphcrical. They are monogamous. The 



Syudactyluus foot of Kingflslier. 



Scansorial foot of Woodpecker. 



head is large, and in most the beak is remarkable for its length or 

 width, or both. The gape is A^dde ; the food taken on the wing. 



Fam. 1. CijiiselidcB. Ex. Swift. 



2.. Trochilidce. Ex, Humming-bird. 



3. Caprimulgid(B. Ex. Xightjar. 



4. Trogonidoi. Ex. Trogon. 

 Ex. Mot-mot. 



Ex. Bee-eater. 

 Ex. Jacamar. 

 Ex. Roller. 

 Ex. Puff-bird. 

 Ex. Kingfisher. 

 Ex. Hornbill. 



5. Prionitidce. 



6. Meropidce. 



7. Galhulidce. 



8. Coraciadce. 



9. Copitonidce. 



10. AlcedinidcB. 



11. BucerotidcB. 



Order. VI. SCAXSORES. 



Climbing Birds. Toes arranged in pairs, two before and two 

 behind, fig. 8. Most oviposit in holes of decayed trees. Larynx 



trimuscular. 



Monogamous. 



