398 ERETHIZON, 
Fic. 76. ERETHIZON EPIXANTHUM. 
No. 4113 Am. Mus. Nat. Hist. Coll. 2 nat. size. 
one-third the skull’s length; nasals extending backward to the 
orbits, or two-fifths length of skull. 
Color. Similar to £. dorsatum, except tips of long hairs are green- 
ish yellow instead of yellowish white; central line of belly sooty 
brown; spines yellowish on the back, on the sides whitish, tipped 
with brown. 
