354 



GEOGRAPHICAL ZOOLOGY. 



[part IV. 



Family 101.— CHIONIDID^. fl Genus, 2 Species.) 



General Distribution. 



Neotropical i Neakctic I PAL.«AkvjTic 1 Ethiopian 



SUB-KEOIONS. SOB-REOIONS. SUB-REGIONS. SUB-REGIONS. 



Obikntal I Australian 



SUB-BEGIONS. SUB-EEGIONS. 



The Sheath-bills, Chionis (2 sp.), are curious white birds, whose 

 thick bill has a horny sheath at the base. Their nearest ally is 

 Hcematopus, a genus of Charadriidte. These birds are confined 

 to the Antarctic Islands, especially the Falkland Islands, the 

 Crozets and Kerguelen's Land. 



Family 102.— THINOCOPJD^. (2 Genera, 6 Species.) 



General Distribution. 



The Thinocoridffi, or Quail-snipes, are small birds, confined to 

 Temperate South America. They have much the appearance of 

 Quails but are more nearly allied to Plovers. The two genera 



are :- 



Attagis (4 sp.), Falkland Islands, Straits of Magellan, Chili, 

 Bolivia, and the High Andes of Peru and Ecuador ; Thinocorus 

 (2 sp.). La Plata, Chili, and Peru. (Plate XVI. Vol. II. p. 40.) 



Family 103.— PAKEID^. (2 Genera, 11 Species.) 



General Distribution. 



