174 TYLOMYS. OTOTYLOMYS. SIGMODON. 



WATSON'S RAT. 



Type locality. Bogava, Chiriqui, Panama. Altitude, 8,000 feet. 

 Geogr. Distr. Panama, Central America. 



387. Tylomys panamensis ((iray). 



Xconiys panamensis (iray, Ann. Mag. Nat. Hist., 4th Ser., xn, 



1873, p. 417. 

 Tyhnnys paininicusis Elliot, Mamm. Middle Amer. & W. Indies, 



F. ('. M. Pub., iv, Pt. i, igo4, p. 219. Zool. Ser. 

 PANAMA RAT. 



Tvpc /<>M////_V. Panama. 



Geogr. Distr. Panama, Central America. 



Genus 64. (Hot yloinys. 



Ototylomys Merr., Proc. Wash. Acad. Scien., m, 1901, p. 561. 

 Type Ototylomys phylh'tis Merriam. 



388. Ototylomys phyllotis Merriam. 



Ototylomys phyllotis Merr., Proc. Wash. Acad. Scien., in, 1901, 

 p. 562. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., iv, Pt. i, 1904, p. 221, fig. 37. Zool. Ser. 

 TrxKAS RAT. 



Type locality. Tunkas, Yucatan, Mexico. 

 Geogr. Distr. Yucatan. 



a. Uttitiflnni i/x /i/ti/f/olix i>lnrii8 Merriam. 



Ototylomys phyllotis phccns Merr., Proc. Wash. Acad. Scien., m, 

 1901, p. 563. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., iv, Pt. i, 1904, p. 221. Zool. Ser. 

 APAZOTE RAT. 



Type locality. Apazote, near Yohaltun, State of Campeche, 



Mexico. 

 Geogr. Distr. State of Campeche, Mexico. 



Genus 65. Si^modon . Cotton Kats. 



Sigmodan Say and Onl, Journ. Acad. Xat. Scien. Phil., iv, 1825, 

 p. 352. jil. xxn, figs. 5-8. Type >/<:;;/<></<>;/ liispitlns Say and 

 Onl. 



389. Sigmodon hispidus Say and Onl. 



it '</<>;/ hispiilits Say and ()rd, Jmirn. Acad. Xat. vScii-n. Phil., 

 5, p. 354. Klliot, Syn. X. Am. Mamm.. F. C. M. Pub., n, 

 i <;o i , ] >. i 44. tig. 31. Z< M !. SIT. 



