240 ELEMENTS OF OBIflTHOLOGT. 



IV. The East-African or Mozamhique subregion, including 

 East Africa between Abyssinia and the watershed of the Zam- 

 besi, and extending for an uncertain distance westwards. 



V. The Madagascar subregion, or Madagascar and the more 

 adjacent islands. 



The INDIAN region comprises all India south of the Hima- 

 laya and the rest of Asia south of the Tang-tze-kiang, with 

 the southern part of Japan and the Indian Archipelago down 

 to and including the islands of Bali, Borneo, and the Philip- 

 pines. 



This vast region seems to consist of two subregions : — 



I. The Indo-Chinese subregion, being the Indian Peninsula 

 or the Indian region north of the Malay Peninsula. 



II. The Malayan subregion, or the Indian region south of 

 Tenasserim, with the Philippine and Sunda Islands, but exclud- 

 ing Celebes and islands east of the line drawn by "Wallace *. 



The NEAEOTIO region consists of North America down to 

 about the Tropic of Cancer in the lowlands, but much further 

 south along the mountains of Central America. It also includes 

 the Bermudas and the Aleutian Isles. The latter, however, 

 like Alaska, show a Palsearctic element. 



This region cannot be satisfactorily divided into Ornitholo- 

 gical subregions ; but certain districts, or provinces, may, for 

 our present purpose, be distinguished as follows : — 



(1) A Galifornian province, including California, Oregon, and 

 the narrow tract between the Sierra Nevada and the Pacific. 



(2) An Alleghanian province, including the United States 

 east of TexaSj and thence northwards more or less near the line 

 of 100° West longitude and the south-western part of Canada. 



(3) An Alaskan province, or what was Eussian America. 



(4) A Canadian province, or Canada, except part on the 

 south-west. 



(5) A Texan province, or Texas with the adjacent farts of 

 the Nearctic region between the Californian and the Allegha- 

 nian provinces. 



(6) A Greenland province. 



(7) A Bermuda province. 



The NEOTEOPICAL region includes the whole of South 

 America, Central America, South Mexico excepting the central 

 plateau, the Antilles, Galapagos, and Falkland Islands. 



* This line passes between the islands of Bali and Lombock. 



