32 Mamm. 
II. MAMMALIA. 
SPALACIDiE and GEOMYIDiE. 
For habits, distribution, and injury to agriculture of the Geomyhlce, see 
Bailey (10) ; for a full monograph, Merriam (133). 
Qeorychus leach eri, n. sp., Thomas, Ann. Nat. Hist. (G) xvi, p. 241, 
Moubutta, E. 0. Africa. 
Ileterocephalus glaher , its distinctness from II. phillipsi , Thomas, Ann. 
Mus. Genova (2) xv, p. 3. 
Geomys tuza mobilensis , p. 119, S. Alabama, breviceps sayittalis , p. 134, 
Texas coast, breviceps attwateri , p. 135, parts of Texas, texensis , p. 137, 
Texas, arenarius , p. 139, Bio Grande, personatus fallax, Nueces Bay, 
Texas, n. spp. andsubspp., Merriam, op. cit. 
Puppngeomys , n. g., Merriam, t . c. p. 145, for Geomys bulleri, Thomas. 
P. albinasus , n. sp., Merriam, t. c. p. 149, Guadalajara. 
Cratogeomys , n. g , Merriam, t. c. p. 150, for Geomys merriami , Thomas. 
C. perotensis, p. 154, es£or, p. 155, Cofre de Perote, oreocetes , p. 15G, 
Mt. Popocatapetl, peregrinus , p. 158, Mt. Iztaccihuatl, Mexico, casta- 
nops goldmani , p. 160, Mexico, fulvescens, p. 161, Puebla, Mexico, 
n. spp. and subsp., Merriam, t. c. 
Platy geomys, n. g., Merriam, t. c. p. 162, for Geomys gymnurus, 
Merriam. P. tylorhinus , p. 167, Hidalgo, Mexico, planiceps ) p. 168, 
Volcano of Toluca, Mexico, fumosus, p. 170, Colima, Mexico, n. spp., 
Merriam, t. c. 
Orthogeomys , n. g., Merriam, t. c. p. 172, for Geomys scalops , Thomas. 
0. nelsoni , p. 176, Mt. Zempoaltepec, Mexico, latifrons > p. 178, 
Guatemala, n. spp., Merriam, t. c. 
Ileterogeomys , u. g., Merriam, t. c. p. 179, for Geomys hispidus , 
Le Oouto. II. torridas , n. sp., Merriam, t. c. p. 183, Vera Cruz. 
Macrogeomys } n. g., Merriam, t. c. p. 185, for Geomys heterodus , 
Peters. M. dolichocephalic , p. 189, costaricensisj p. 192, n. spp., 
Merriam, t. c. Costa Rica. 
Zygogeomys , n. g. for Z. trichopus , n. sp., Merriam, t. c. p. 195, Michoacan, 
Mexico. 
Thomomys altivallis , p. 34, bottce pallescens, p. 36, fulvus nigricans , p. 36, 
n. sp. and subspp., Raoads, P. Ac. Philad. 1895, S. California. T. 
cervinus , n. sp., J. A. Allen, Bull. Amer. Mus. vii, p. 203, Arizona. 
Dipodidjj, Hystricidj:, and Caviidjc. 
iProtopty chus, n. g. for P. hatcheri } n. sp., Scott, P. Ac. Philad. 1895, 
p. 269, Uinta Beds. This genus is regarded as the ancestral type of the 
I)ipodid(e, and indicates that the latter are true Myomorpha. The 
Geomyulie probably form a lateral offshoot from the same stock. 
Atherura centralis, n. sp., Thomas, Ann. Nat. Hist. (6) xv, p. 89, 
Monbutta, Cent. Africa. 
Dolichotis patugonica, its anatomy, St. Loup (198). 
