344 PEROGNATHUS. HETEROMYS. 



t8. Adult d^ Coll. Canon Diablo, Lower California, Mexico. 



E. Heller. 

 19-25. Adult d^ Coll, San Matias Spring, Lower California, 



Mexico. E. Heller. ♦ 

 26-27. Adult 9 Coll. San Matias Spring, Lower California, 



Mexico. E. Heller. 

 28-34. Adult d^ Coll. Mattomi, Lower California, Mexico. E. 



Heller. 

 35-37. Adult 9 Coll. Mattomi, Lower California, Mexico. E. 



Heller. 

 38-41. Adult d^ Coll. Parral, Lower California, Mexico. E. Heller. 

 42-44. Adult 9 Coll. Parral, Lower California, Mexico. E. Heller. 

 45. Adult d* Coll. Palomar, Lower California, Mexico. E. 



Heller. 



Genus 157. ' lloteroiiiys. Pouched Spiny Hats and Mice. 



Heteromys Desm., Nouv. Diet. Hist. Nat., Mamm., 1817, p. 313. 

 Type Mus anomalus Thompson. 

 Dasynotus Wagl., Nat. Syst. Amph., 1830, p. 21. 

 Saccomys F. Cuv., Mem. Mus. Hist. Nat. Paris, x, 1823, p. 419. 

 Xylomys Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 43. 

 Liomys Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 44. 



Subgenus A. Heteromys. 



581. Heteromys irroratus Gray. 



Heteromys irroratus Gray, Proc. Zool. Soc, 1868, p. 205. Elliot, 



Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, Pt. i, 



1904, p. 369. Zool. Ser. Id. Check-L. Mamm. N. Amer. 



Cont. & W. Indies, F. C. M. Pub., vi. 1905, p. 316. Zool. Ser. 



La Parada Spiny Rat. 



1. Adult d^ Coll. Reforma, State of Oaxaca, Mexico. Heller & 



Barber. 



2. Adult 9 Coll. Reforma, State of Oaxaca, Mexico. Heller & 



Barber. 



3. Juv. d* Coll. Lagunas, State of Oaxaca, Mexico. Heller & 



Barber. 



582. Heteromys gaumeri Allen & Chapman. 



Heteromys gaimieri Allen & Chapm., Bull. Am. Mus. Nat. Hist. 

 N. Y., 1897, p. 9. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 371, fig. 69. Zool. Ser. Id. 

 Check-L. Mamm. N. Amer. Cont. & W. Indies, F. C. M. Pub., 

 VI, 1905, p. 317. Zool. Ser. 



