CHAP. XVIII.] BIRDS. . 261 



Australia and Africa. The Indo-Chinese sub-region is the head 

 quarters of the family, whence it diminishes rapidly in all 

 directions in variety of both generic and specific forms. Viscount 

 Walden has kindly assisted me in the determination of the 

 limits of this family, as to which there is still much difference 

 of opinion. The distribution of the genera here admitted is as 

 follows ; and as the genera are widely scattered in the Hand 

 List, reference numbers are prefixed in every case. 



^1023 — 1026 1008^ PomatorMnus (27sp.), the whole Oriental region 

 (excluding Philippines), Australia and New Guinea ; Q^'^'^) 

 Pterohinus (3 sp.), North China, East Thibet ; (1^29 io3o>, ^/^;^. 

 cocircus (9 sp.). Continental India and Ceylon, Arabia, Nubia; 

 ^1031^ Chatarrhcea (5 sp.), Abyssinia, Palestine, India, Nepal, 

 Burmah, and Philippines ; Q-^^-) Layardia (3 sp.), India and Cey- 

 lon ; (^^^^) Acanthoptila (1 sp.), Nepal ; (^*^^*) Cinclosoma (4 sp.), 

 Australia and Tasmania : (^"^^ ^°^^) Crateropus (18 sp.), all Africa, 

 Persia ; Q^^"^) Hypergerus (1 sp.). West Africa : (^^^) Cichladusa 

 (3 sp.). Tropical Africa ; (^^^^) Garrulax (23 sp.), the Oriental 

 region (excluding Philippines) ; (}^^'^) Janfhocinda (10 sp.), Nepal, 

 to East Thibet, Sumatra, Formosa ; (^^*^ ^*'*^) Gampsorhynchus (2 

 sp.), Himalayas ; Q'^^^) Grammatoptila (1 sp.) North India ; Q^^^ - 

 1045-) Trochalopteron (24 sp.), all India to China and Formosa ; (^^*^) 

 Adinodura (4 sp.), Nepal to Burmah, 3,000 - 10,000 feet ; Q'^*'^) 

 Pellorneum (4 sp.), Nepal to Ceylon, Tenasserim ; Q^^^ ^^^^) Timalia 

 (12 sp.), Malaya;^ (i^^") Dumetia (2 sp.). Central India and Cey- 

 lon ; Q^^'^) Stachyris (6 sp.), Nepal to Assam, Sumatra, Formosa ; 

 ^1164^ Pyctorliis (3 sp.), India to Ceylon and Burmah ; Q^^^) Mixornis 

 (8 sp.), Himaiayas and Malaya ; Q^^'') Malacopteron (3 sp.), Ma- 

 laya ; Q-'^^^ ^^^^) Alcippe (15 sp.), Ceylon and South India, Hima- 

 layas to Aracan, Malaya, Formosa, New Guinea ; {^^'^^) Macronus 

 (2 sp.), Malaya ; Q^'^'^) Cacopitta (5 sp.), Malaya ; Q^'''^) Trichastoma 

 (11 sp.), Nepal, Burmah, Malaya, Celebes; Q-^"^^) Napothera (6 sp.), 

 Malaya; Q-'^'^^) Drymocataphus (8 sp.), Burmah, Malaya, Ceylon, 



^ The term " Malaya " is used here to include the Malay Peninsula, 

 Sumatra, Borneo, and Java, a district to which many species and genera are 

 confined. " Malay Archipelago '' will be used to include both Indo-Malaya 

 and Austro-Malaya 



