398 



ERETHIZON. 



FIG. 76. ERETHIZON EPIXANTHUM. 

 No. 4113 Am. Mus. Nat. Hist. Coll. I nat. size. 



one-third the skull's length; nasals extending backward to the 

 orbits, or two-fifths length of skull. 



Color. Similar to E. 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. 



