GEOGKAPHICAL DISTEIBUTION. xxvii 



/3. Alaskan Arctic Province. 

 Peculiar Genera : — 0. 



Peculiar Species : — 0. 



Species known to breed within its limits : — 1. Tachycineta bicolor. 2. Hirundo erytltroyastra. 



3. Petrochtlidon pyrrhonota. 



E-. Cold Temperate Sub-Region. 



a. Hnclsonian Province. 

 Peculiar Genera : — 0. 



Peculiar Species : — 0. 



Species known to breed within its limits : — 1. Cotile riparia. 2. Tachycineta bicolor. 3. Hirnndo 

 erythrogastra. 4. Progne purpurea. 5. Petrochelidon pyrrhonota. 



(3. Canadian Province. 

 Peculiar Genera : — 0. 



Peculiar Species : — 0. 



Species known to breed within its limits : — -1. Cotile riparia. 2. Tachycineta Incolor. 3. Hirundo 

 erythrogastra. 4'. Progne purpurea. 5. Petrochelidon pyrrhonota. 



y. Sitkan Province. 

 Peculiar Genera : — 0. 



Pecviliar Species : — 0. 



Species known to breed within its limits: — 1. Tachycineta bicolor. 2. Hiriindo erythrogastra. 



I. Aleutian Province. 

 Peculiar Genera : — 0. 

 Peculiar Species : — 0. 

 Species known to breed within its limits : — 1. Hirundo erythrogastra. 



W. Warm Temperate Sub-Region. 



a. Sumld Province. 



a}. Appalachian Sub-Pi'ovince. ' 



Peculiar Genera : — 0. 



Peculiar Species : — 0. 



Species known to breed witliin its limits : — 1. Tachycineta bicolor. 2. Hirundo erythrogastra. 

 3. Progne -purpurea. 4. Petrochelidon pyrrhonota. 5. Stelgidopderyx serripennis. 



thom by Dr. Allen. When our knowleda;e of (ho zoo-geographical divi.'^ions of the Old World cinials that of our 

 American brc'tbrcn as regards those of tlicir own country, it will probably be found tba( Ibe position of " Suli-liegions," 

 wbich wc have ui)hcld, will be found not U) be justified l)y exact statistics, and therefore many of these •' Sub-lteginns ' 

 will have to be degraded to tlie rank of " I'rovinces " and " Sub-1'roviuees." In the Tables of (iengmphical 

 iJistribution we have followed Dr. Allen's sub-divisions of the Nearelic Avifauna more closely than in our essay on 

 the " Zoo-Geographical .Ireas '" of tho World. 



d 2 



