MILLER AND REHN: NORTE AMERICAN MAMMALS. 79 



Genus TYLOMYS Peters. 



55. Tylomys bullaris Merriara. 



1901. Tylomys bullaris Merriam, Proc. Washington acad. 



sci., in, p. 561. November "29, 1901. 

 Type locality. — Tuxtla, State of Chiapas, Mexico. 



50. Tylomys tumbalensis Merriam. 



1901. Tylomys tumbalensis Merriam, Proc. Washington 

 acad. sci., in, p. 500. November '29, 1901. 



Type locality. — Tumbala, State of Chiapas, Mexico. 



Genus Holochilus Brandt, p. 89. The West Indian species are 

 now placed in : 



Genus MEGALOMYS Trouessart. 



1881. Megalomys Trouessart, Le Naturaliste, i, p. o57. 

 February 1, 188 1 . 



1902. Megalomys Allen, Bull. Amer. mus. nat. hist., xvi, p. 

 21. February 1, 1902. 



Type. — Mus pilorides Pali, as. 

 According to Major, (Ann. and mag. nat. hist., 7th ser., vn, p. 

 205, February, 1901) this genus is not distinguishable from 

 Oryzomys. 



Holochilus pilorides ( Pallas). p. 89. Tins now stands as: 

 Megalomys desmarestii (Fischer). 

 1829. M [ws] desmarestii Fischer, Synopsis mammalium, 



p. 816. 

 1902. Megalomys desmaresti Allen, Hull. Amer. mus. nat. 



hist,, xyi, ]>. 21. February 1, 1902. 

 Type locality. — Island of Martinique, West Indies. 

 According to Major (Ann. and mag. nat. hist., 7th ser., vn, p. 

 205, February, 1901) the proper name for this species is Oryzomys 

 piloris (Zimmermann ). 



57. Megalomys luciae (Major). 



1901. Oryzomys I urine Major, Ann. and mag. nat. hist,, 7th 



ser., vn, p. 200. February, 1901. 

 Type locality. — Island of Santa Lucia, West, Indies. 



