172 MEGADONTOMYS. NYCTOMYS. 



378. Megadontomys nelsoni (Merriam). 



Peromyscus nelsoni Merr., Proc. Biol. Soc. Wash., xii, 1898, p. 



116. 

 Megadontomys nelsoni Elliot, Mamm. Middle Amer. & W. Indies 

 F. C. M. Pub., IV, Pt. I, 1904, p. 214. Zool. Ser. 

 Nelson's Field Mouse. 



Type locality. Jico, State of Vera Cruz, Mexico. Altitude, 6,000 

 feet. 



Geogr. Distr. State of Vera Cruz, Mexico. Range unknown. 



379. Megadontomys flavidus Bangs. 



Megadontomys flavidus Bangs, Bull. Mus. Comp. Zool., xxxix, 

 1902, p. 27. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 214. Zool. Ser. 

 BoQUETE Field Mouse. 



Type locality. Boquete, Chiriqui, Panama. Altitude, 4,000 feet. 



Geogr. Distr. Panama, Central America. 



Genus 62. Nyctomys. 



Nyctomys Sauss., Rev. Mag. Zool., 2me Ser., xii, i860, p. 106. Type 

 Hesperomys sumichrasti Saussure. 

 Myoxomys Tomes, Proc. Zool. Soc, 1861, p. 284, pi. xxxi. 



380. Nyctomys sumichrasti (Saussure). 



Hesperomys sumichrasti Sauss., Rev. Mag. Zool., 2me Ser., i860, 



p. 107, pi. 9, fig. 2. 

 Nyctomys sumichrasti Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 216, fig. 35. Zool. Ser. 

 Sumichrast's Vesper Rat. 



Type locality. "Habite le versant oriental de la Cordiliere," State 

 of Vera Cruz? Mexico. 



Geogr. Distr. Eastern Mexico, State of Vera Cruz to Isthmus of 

 Tehuantepec, Mexico. 



381. Nyctomys decolorus (True). 



Sitomys (Rhipidomys) decolorus True, Proc. U. S. Nat. Mus., 



XVI, 1894, p. 689. 

 Nyctomys decolorus Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 216. Zool. Ser. 

 Faded Vesper Rat. 



Type locality. Rio de las Piedras, Honduras. 

 Geogr. Distr. Tehuantepec, Mexico, into Honduras, Central 

 America. 



