With a grizi^led'gray and a dark phase; tail dark about halfway from 

 base; southern Texas 



Didelphis mesamericana texensis (Allen) Texas Opossum 



33. With four toes on hind foot Cats and Wolves 34. 

 With five toes on hind foot 51. 



34. Cat'like; claws much curved, can be drawn back into sheaths; with thirty 



or less teeth; Family Felidae Cats 35. 



Dog'like; claws only slightly curved and not fully retractile; with forty- 

 two teeth; Family Canidae Wolves, Coyotes, Foxes 44. 



35. Tail short, one-fifth to one-ninth of total length; w'ith three teeth behind 



the canines on each side of upper jaw 36. 



Tail long, one-third to one-fourth of total length; with four teeth behind 



the canines on each side of upper jaw 40. 



36. Ear tips with prominent tufts of hair; tail black all around at tip; northern 



states 



Lynx canadensis Kerr Canada Lynx 

 Ear tips wathout prominent tufts; tip of tail black only on the upper side; 

 generally distributed (Four common subspecies given here.) 37. 



37. Last third of tail black; Pacific coastal regions 



Lynx rufus fasciatus Raf . Pacific Bobcat 

 Less than last third of tail black 38. 



38. With several dark bands on the tail, hut not definitely one or two black 



ones before the black tip; generally distributed 



Lynx rufus rufus (Schreber) Common Bobcat 

 With one or two black bands on the tail (in addition to any reddish 

 bands) before the black tip; western states 39. 



39. With two black bars before the black tip of the tail; eastward to Colorado 



and Wyoming 



Lynx rufus pallescens Merriam Mountain Bobcat 

 (Lynx Uinta Merriam) 

 With one black bar and one or more reddish ones before the black tip; 

 southwestern states 



Lynx rufus haileyi Merriam Plateau Bobcat 



40. Very large, reaching eight feet in total length; color rather uniformly dull 



yellowish-brown; formerly generally distributed, but now mostly rc' 

 stricted to mountains of the western states 



Fehs concolor Linn. Cougar, Panther, Puma, Mountain Lion 

 (Includes F. oregonensis Raf., the western form, and F. couguar 

 Kerr., the almost extinct eastern form.) 

 Smaller; if over four feet, then with a spotted or mottled pattern 4L 



41. Generally distributed, usually domesticated but sometimes running wild 



and attaining greater size and longer fur than under domestication 

 Fehs domestica Linn. House Cat 

 Found wild only in southwestern U. S. along the Mexican border 42. 



42. One color, grizzled-gray to rusty-red 



Felis cacomitli Berlandier Jaguarundi, Eyra Cat 

 Yellowish to grayish, with prominent dark markings 43. 



495 



