URSUS. 481 
of upper tooth row, 74; length of molar, 34; length of lower jaw, 229; 
of lower tooth row, 79. 
B. Euarctus. 
“Fur uniform throughout, either black, brownish, or cinnamon; 
hair darkest towards tips; nose brown; feet moderate; fore claws not 
twice as long as the hinder.”’ 
478. machetes (Ursus), Elliot, Pub. Field Columb. Mus., 111, 1903, 
p. 235. Zodlogy. 
FIGHTING BEArR. 
Type locality. Casas Grandes, Sierra Madre, State of Chihuahua, 
Mexico. 
Geogr. Distr. Northern Mexico. 
Genl. Char. Color, cinnamon or black. Skull long, frontals 
broad, raised above level of face; nasals very broad, posterior ends 
on a line with ends of maxille; superior outline convex, highest just 
behind postorbital processes, and declining gradually anteriorly, 
sharply posteriorly; occipital crest prominent, extending forward to 
coronal suture; zygomatic arches very wide; basioccipital and basi- 
sphenoid wide; pterygoid fossa equal in width throughout its length, 
broad and rounded anteriorly; mandible heavy, deep beneath last 
molar; coronoid process very broad, and rounded on top without 
hook over posterior margin; upper and lower molars much worn, the 
larger one quite smooth, so that their characteristics are absent. 
Color. Black with tan nose, or all cinnamon. 
Measurements. Skull: total length, 315; occipito-nasal length, 
282; Hensel, 267; zygomatic width, 196; interorbital width, 75; 
across postorbital processes, 103; mastoid width, 132; posterior width 
of basioccipital, 39; length of pterygoid fossa, 49; palatal length, 145; 
length of nasals, 75; anterior width of nasals, 30; width at mid-length 
of nasals, 26; anterior edge of canine to posterior edge of last molar, 
alveolar border, 99; length of last molar, crown, 24; width, 19; width 
of palate at anterior edge of last molar, 53; between canines at pos- 
terior edge, 46; breadth of muzzle at outer side of canines, 66; length 
of mandible, angle to symphysis on top, 212; height at condyle, 36; 
at coronoid process from angle, 89; breadth of coronoid process above 
condyle, 62; length of condyle, 65; length of lower molar series, 
alveolar border, 58. 
The Raccoon family includes the various forms of ‘‘Coons’’ (the 
animals so familiar to all the inhabitants of North America), such as 
the well-known Coati-mondis of South America (one species ranging 
