354 
G EOG R A PH IC A L ZOOLOG Y. 
[PART IV. 
Family 101. — CHTONIDIDdF. fl Genua, 2 Species.) 
General Distribution. 
Neotropical I 
Nt ARCTIC 
Palasargtic 
Ethiopian 
Oriental 
Australian 
Sub-reu:on.s. 
Sub-regions. 
Sub-regions, 
Sub-regions. 
Sub-regions. 
Sub-regions. 
The Sheath-bills, Chionis (2 sp.), are curious white birds, whose 
thick bill has a horny sheath at the base. Their nearest ally is 
Hcematopiis, a genus of Cliaradrikhe. These birds are confined 
to the Antarctic Islands, especially the Falkland Islands, the 
Crozets and Kerguelen’s Land. 
Family 1 02.— THING COBUXffi. (2 Genera, 6 Species.) 
General Distribution. 
N EOTROPICA L 
Sub-regions. 
NE ARCTIC 
Sub-regions. 
Palaiarctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
1 
i 
The Thinocoridse, 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 ; TMnocorus 
(2 sp.), La Plata, Chili, and Peru. (Plate XYI. Yol. II, p. 40.) 
Family 103. — PARRIDiE. (2 Genera, 11 Species.) 
General Distribution. 
Neotropical 
Sub-regions. 
I* EARCTIC 
Sub-regions. 
Pal.earctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub- regions. 
Australian 
SUB-REGIONS. 
-a , 3 - 
— 
i . a .3 .4 
1 .2.3.4 
1.2 
