MILLER AND REHN: NORTH AMERICAN MAMMALS. 139 



Nasua nelsoni, Procyon pygmaeus, Didelphis yucatanensis cozumelae, 

 Tayassu nanus, Peromyscus cozumelae, Oryzomys cozumelae. 

 Merriam, C. Hart. A new brocket from Yucatan. Proc. biol. soc. Washing- 

 ton, xiv, p. 105-106. July lit. 1901. 

 Mazama pandora. 

 Merriam. C. Hart. Descriptions of twenty-three new pocket gophers of the 

 genus Thomomys. Proc. biol. soc. Washington, xiv, p. 107-117. July 10 

 1001. 



Thomomys latirostris, T. sinaloae, '/'. ]><r<littt.-<, T. goldmani, '/'. baileyi, 

 T. nelsoni, T. cabezonae, T. aureus pervagus, T. a. perpes, T. angularis 

 pascalis, T. fuscus fisher i, T. myops, T.leucodon navus, T. uinta, T. brid- 

 geri, T. clusius ocius, T. idahoensis, T. desertorum, T. pygmaeus, T.douglasi 

 oregonus, T. limosus, T. hesperus, T. niger. 

 Merriam, C. Hart. Descriptions of four new peccaries from Mexico. Proc. 

 biol. soc. Washington, xiv, p. 110-124. July 10, 1001. 



Olidosus subgen. now. Tayassu (0.) albirostris ringens, T. (Tayassu) an- 

 gulatus humeralis, T. (T.) a. yucatanensis, T. ( T ) a. crassus. 

 Merriam, C. Hart. Two new rodents from northwestern California. Proc. 

 biol. soc. Washington, xiv, p. 125-126. July 10, 1001. 



Phenacomys albipes and Callospermophilus chrysodeirus trinitatis. 



Merriam. C. Hart. Descriptions of three new kangaroo mice of the genus 



Microdipodops. Proc. biol. soc. Washington, xiv, p. 127-128. July 10, 1001. 



Microdipodops megacephalus oregonus, M. pallidus, and M. californicus. 



Merriam, C. Hart. Synopsis of the rice rats (genus Oryzomys) of the 



United States and Mexico. Proc. Washington acad. sci., in. p. 273-205. 



July 26, 1001. 



A revision based on the examination of about 600 specimens. The 

 species are arranged in four groups, but no attempt is made to correlate 

 these with the subgenera named by Bangs (Proc. New England zool. club, 

 i, pp. 01, 06, February 23, 1000). For summary see p. 82-86. 

 Merriam, C. Hart. Descriptions of 23 new harvest mice (genus Reithrodon- 

 tornys). Proc. Washington acad. sci., in, p. 547—558. November 20. 1001. 

 Reithrodontomys tenuirostris, R. t. aureus, R. microdon, R. m. aVbilabris, 

 R. chrysopsis tolueae, R. perotensis, R. orizabae, R. colimae, 11. c. net-tern*, 

 R. c.jalapae, R. goldmani, R. hirsutus, It. griseoflavus, U. ;/. helvolus, 11. I> oi- 

 pes. R. I. otus, R. I. toltecus, R. saturatus cinereus, /.'. s. alticolus, li. difficilis, 

 R. dorsalis, 11. megalotis zacatecae, li. m. obscurus. 

 Merriam, C. Hart. Seven new mammals from Mexico, including a new 

 genus of rodents. Proc. Washington acad. sci., in, p. 559-563. November 

 29, 1001. 



Blarina mayensis, Odocoileus hemionus canus, Tylomys tumbalensis, 

 T. bullaris, Ototylomys gen. nov., 0. phyllotis, <>.]>. phaeus, Callospermo- 

 philus madrensis. 

 Merriam, C. Hart. Preliminary revision of the pumas (Felix concolor group). 

 Proc. Washington acad. sci., in, p. 577-600. December 11. 1901. 



Tic following forms are recognized: Felix couguar Kerr (type local- 

 ity, Pennsylvania), F. coryi Bangs (Florida). /•'. hippolestes Merriam 



