fol. XT 



>§93 J 



Allen, Origin and Distribution of N. A. Birds 



I2 5 



with the American Arctic, and on the other with the Warm 

 Temperate Subregion. Not all of them, however, are strictly 

 limited to the Cold Temperate, a few ranging into the southern 

 border of the Arctic, and a few others extending southward into 

 the northern edge of the Warm Temperate ; but their ranges, 

 generally speaking, may be regarded as limited to the Cold Tem- 

 perate. In scanning the list it should be borne in mind that this 

 subregion extends very far southward along the principal moun- 

 tain ranges of the continent. 



Distinctively Cold Temperate. 



Colymbus auritus 



Colymbus holboelli 



Urinator imber 



Urinator lumme 



Fratercula arctica 



Cyclorrhynchus psittaculus 



Simorhynchus cristatellus 



Simorhynchus pygmaeus 



Simorhynchus pusillus 



Synthliborhamphus antiquus 



Cepphus grylle 



Alca torda 



Plautus impennis 



Larus argentatus smithsonianus 



Larus delawarensis 



Larus vegae 



Larus brachyrhynchus 



Larus franklini 



Larus Philadelphia 



Sterna paradisaea 



Puffinus tenuirostris 



Oceanodroma furcata 



Oceanodroma leucorrhoa 



Sula bassana 



Phalacrocorax carbo 



Phalacrocorax dilophus 



Phalacrocorax d. cincinnatus 



Phalacrocorax pelagicus robustus 



Merganser americanus 



Merganser serrator 



Anas carolinensis 



Anas discors 



Dafila acuta 



Aythya americana 



Aj'thya vallisneria 



Aythya marila nearctica 



Aythya affinis 



Aythya collaris 



Glaucionetta clangula americana 



Glaucionetta islandica 



Charitonetta albeola 



Histrionicus histrionicus 



Camptolaimus labradorius 



Oidemia deglandi 



Oidemia perspicillata 



Branta canadensis 



Branta c. occidentalis 



Branta bernicla 



Olor buccinator 



Porzana Carolina 



Porzana noveboracensis 



Gallinago delicata 



Macrorhamphus griseus 



Macrorhamphus scolopaceus 



Micropalama himantopus 



Tringa minutilla 



Limosa fedoa 



Totanus melanoleucus 



Totanus flavipes 



Totanus solitarius 



Totanus s. cinnamomeus 



Tryngites subruficollis 



Dendragapus obscurus 



Dendragapus obscurus fuliginosus 



Dendragapus obscurus richardsoni 



Dendragapus canadensis 



