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 19, 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 19 
1901. 
Thomomys latirostris, T. sinaloac, T. perditus, T. goldmani, T. baileyi, 
T. nelsoni, T. cabezonae, T. aureus pervagus, T. a. perpes, T. angularis 
pascalis, T. fuscus jislieri, T. ynyops, 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. 119-124. July 19, 1901. 
Olidosus subgen. nov., Tayassu (O.) 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 19, 1901. 
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 19, 1901. 
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. 273-295. 
July 26, 1901. 
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 Pangs (Proc. New England zool. club, 
i, pp. 94, 96, February 23, 1900). For summary see p. 82-86. 
Merriam, C. Hart. Descriptions of 23 new harvest mice (genus Reithrodon- 
tomys). Proc. Washington acad. sci., iii, p. 547-558. November 29, 1901. 
Reithrodontomys tenuirostris, R. t. aureus, R. microdon, R. m. albilabris, 
R. chrysopsis tolucae, R. perotensis, R. orizcibae, R. colimae, R. c. nerterus, 
R. c. jalapae, R. goldmani, R. hirsutus, R. griSeofiavus, R. g. helvolus, R. levi- 
pes, R. 1. otus, R. 1. toitecus, R. saturatus cinereus, R. s. alticolus, R. difiicilis, 
R. dorsalis, R. megalotis zacatecae, R. m. obscurus. 
Merriam, C. Hart. Seven new mammals from Mexico, including a new 
genus of rodents. Proc. Washington acad. sci., iii, p. 559-563. November 
29, 1901. 
Blarina mayensis, Odocoileus hemionus canus, Tylomys tumbalensis, 
T. bullaris, Ototylomys gen. nov., O. phyllotis, O. p. phaeus, Callospermo¬ 
philus madrensis. 
Merriam, C. Hart. Preliminary revision of the pumas (Felis concolor group). 
Proc. Washington acad. sci., in, p. 577-600. December 11, 1901. 
The following forms are recognized: Felis couguar Kerr (type local¬ 
ity, Pennsylvania), F. coryi Bangs (Florida), F. hippolestes Merriam 
