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 (Akodori), Bangs, Bull. Mus. Comp. Zool., xxxix, 1902. 



p. 40. 

 BOQUETE 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 vertebrae, 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, 

 12.8. (Bangs, 1. c.) 



273. irazu (Akodon), Allen, Bull. Am. Mus. Nat. Hist., 1904, p. 46. 

 VOLCANO OF IRAZU MOUSE. 



Type locality. Volcan de Irazu , Costa Rica. 



Genl. Char. Smaller than A. teguina, with smaller ears. 



