RACCOONS OF NORTH AND MIDDLE AMERICA 29 



Remarks. — The subgenus Procynn overlaps the range of the sub- 

 genus Euprocyon in Panama, but the characters pointed out are quite 

 distinctive. 



Key to Species and Subspecies of the Subgenus PKOCYON 



iTypical adults] 

 o'. Geographic range continental. 

 b^. Geographic range eastern United States and southern Canada, west to near 

 longitude 90°. 

 c^ Size smaller; hind foot usually less than 120 mm. ; geographic range excluding 

 greater part of Florida. 

 d^. Color darker; geographic range southeastern Canada and the North- 

 eastern States, mainly north of latitude .35° P. 1. lotor (p. 33). 



d~. Color paler; geographic range Southeastern States, mainly south of 



latitude 35° P. I. varius (p. 38). 



c^. Size larger; hind foot usually more than 120 nun.; geographic range greater 



part of Florida P. I. eluciis (p. 42). 



b~. Geographic range not including eastern United States far beyond longitude 



90°. 



ci. Geographic range mainly east of longitude 105°, and north of latitude 22°. 



d^. Color darker, more suffused with buff'; pelage longer; geographic range 



mainly upper Mississippi and Mi.ssouri River drainage__F. /. hirtus (p. 37). 



f/2. Color paler, more suffused with gray; pelage shorter; geographic range 



mainh' Texas and northeastern Mexico P. I. fuscipes (p. 49). 



C-. Geographic range not mainly east of longitude 105° and north of latitude 22°. 

 rfi. Geographic range mainly west of the Sierra Nevada and Cascade Range, 

 e'. Color darker; geographic range mainly southwestern British Columbia, 



western Washington, and western Oregon P. I. pacificus (p. 58). 



e^. Color paler; geographic range mainly California P. I. psora (p. 56). 



rf2. Geographic range not mainly west of the Sierra Nevada and Cascade 

 Range, 

 gi. Size larger; geographic range mainly Snake and Humboldt River drainage 



in Idaho, Oregon, and Nevada P. I. exrelsits (p. 60). 



e^. Size smaller; geographic range not including Snake and Humboldt River 



drainage in Idaho, Oregon, and Nevada. 

 p. Color paler; geographic range Colorado River drainage 



P. I. pallidus (p. 54). 

 p. Color darker; geographic range not including Colorado River drainage. 



(/'. Geographic range southern Baja California P. 1. grinnelli (p. 62). 



g-. Geographic range not including southern Baja California. 

 h^. Geographic range mainly north or west of Isthmus of Tehuantepec. 

 i^. Color paler; geographic range northwestern Mexico south to about 



latitude 22° P. I. mexicanus (p 52). 



i^. Color darker; geographic range high tableland and coastal regions of 

 Mexico from about latitude 22° to Isthmus of Tehuantepec 



P. I. hernandezu (p. 64). 

 h^. Geographic range mainly south or east of Isthmus of Tehuantepec. 

 i^. Color paler; geographic range mainly north of latitude 14°, including 



Yucatan Peninsula P. I. shufeldti (p. 65). 



i^. Color darker; geographic range mainly south of latitude 14°. 

 j^. Skull less massive; known geographic range southwestern coast of 

 Salvador P. I. dickeyi (p. 67). 



