274 ACODON. 
Genl. Char. Tail about as long as body without head, hairy; ears 
moderate, rounded, sparsely covered with hair. 
Color. Above reddish brown, lined with black; chin, throat, and 
breast grayish reddish brown; belly deep fawn; tail, feet, and ears 
dusky. 
Fig. XLII]. ACODON TEGUINA. ALSTON’S MOUSE. 
Measurements. Total length, 134; tail, 52; hind foot, 42; ear, 10. 
Skull: occipito-nasal length, 20.5; Hensel, 16; zygomatic width, 11.5; 
interorbital constriction, 4; length of nasals, 6; palatal length, 8.5; 
length of upper tooth row, 3.5. 
a —apricus (Akodon), Bangs, Bull. Mus. Comp. Zool., XXxIx, 1902, 
p- 40. 
BoguETEe Mouse. 
Type locality. Boquete, Chiriqui, Panama. Altitude, 4,000—5,000 
feet. 
Genl. Char. Similar to A. teguina, but paler. 
Color. Above Vandyke brown; dorsal region and top of head 
dusky; beneath dull cinnamon rufous; tail, hands, feet, and ears 
blackish. 
Measurements. Total length, 125-142; tail vertebre, 50-58; hind 
foot, 18; ear, 13. Skull: basal length, 20.2; occipito-nasal length, 23; 
zygomatic width, 12; mastoid width, 10.8; interorbital width, 4.6; 
length of nasals, 9; width of nasals, 2.8; length of palate, to palatal 
notch, 9.6; upper molar series, 4; length of single half of mandible, 
1225: (anes, 157es) 
273. irazu (Akodon), Allen, Bull. Am. Mus. Nat. Hist., 1904, p. 46. 
VoLcaANo OF [RAzU MOUSE. 
Type locality. Volcan de Irazu, Costa Rica. 
Genl. Char. Smaller than A. teguina, with smaller ears. 
