SYNOPSIS. xxix. 



articulated on the tarsus: wings short, rounded; third and 

 fourth quills longest. 



R. aquaticus, Linn. - v. 2, p. 137 



Gen. 7^. GALLINULA. Bill shorter than the head, 

 compressed, conic, culmen advancing on the forehead, and 

 occasionally forming a naked disk ; mandibles of equal 

 length, upper one slightly curved : nostrils lateral, linear, 

 placed in the middle of the bill, half concealed by the mem- 

 brane which covers the nasal cavity: tarsi long; tibia naked 

 for a short space above the heel ; three toes before, one be- 

 hind; anterior toes very long, entirely divided, bordered by a 

 narrow membrane: wings moderate; second and third quill 

 longest. 



* Ridge of the upper mandible advancing between the feathers 

 of the forehead, but not forming a naked disk. 



G. Crex, Lath. - v. 2, p. 141 



G. Porzana, Laf/i. v. 2, p. 143 



G. pusilla, Bechst. v. 2, p. 145 

 G. Baillonii, Vieill. 



* * Ridge of the upper mandible expanding at the base on the 

 forehead, forming a naked disk. 



G. chloropus, Lath. - - - N v. 2, p. 148 



ORDER XIV. PINNATIPEDES. 



BILL moderate, straight ; upper mandible a little 

 bent at the point : tarsi slender or compressed ; 

 three toes before and one behind, furnished with 

 a broad scalloped membrane ; hind toe articulated 

 on the inner surface of the tarsus. 



Gen. 75. FULICA. Bill shorter than the head, strong, 

 conic, straight, compressed, higher than broad, thick at the 

 base, ridge advancing on the forehead, and spreading into a 

 naked disk; tips of the mandibles of equal length: nostrils 



