XXX. SYNOPSIS. 



lateral, medial, longitudinally cleft, half covered by a mem- 

 brane: tarsi long and slender; tibia naked for a short space 

 above the heel ; anterior toes very long, united at the base, 

 and bordered by a scalloped membrane : wings moderate : 

 second and third quills longest. 



F. atra, Linn. - v. 2, p. 152 



Gen. 76. PHALAROPUS. Bill as long as the head, 

 straight, slender, depressed at the base ; both mandibles 

 grooved throughout their whole length ; upper mandible 

 slightly curved at the point : nostrils basal, lateral, oval, pro- 

 minent, surrounded by a membrane : tarsi moderate, slender, 

 compressed ; three toes before, one behind ; anterior toes 

 united as far as the first joint, and bordered by a scalloped 

 membrane serrated at the edges ; hind toe without a mem- 

 brane, and articulated on the inner side of the tarsus : wings 

 moderate; first and second quills longest. 



* Bill slender, depressed only at the base, and sharp at the 

 point. 



P. hyperboreus, Lath. - v. 2, p. 137 



* * Bill depressed throughout its whole length. 



P. platyrhinchus, Temm. v. 2, p. 159-160 



Gen. 77. PODICEPS Bill moderate, straight, hard, 

 forming a lengthened cone, sharp-pointed; upper mandible 

 slightly turned down at the tip: nostrils lateral, linear, closed 

 behind by a membrane : lore naked : tarsi rather short, much 

 compressed ; three toes before, one behind ; anterior toes 

 much depressed, united at the base, and furnished with 

 a wide scalloped membrane ; hind toe compressed and 

 lobated ; claws large, much depressed : wings short ; the 

 three first quills nearly equal in length, and longest; no tail. 



P. cristatus, Lath v. 2, p. 164-166 



P. rubricollis, Lath. - v. 2, p. 167 



P. cornutus, Lath. v. 2, p. 169-171 

 P. auritus, Lath. 



P. minor, Lath. - - - . v. 2, p. 173 



