PART III: GLIRES, CASTORIDJE—CAVIIDA. 848 
Name, authority, and date. Type or included species, and localities. 
I«Bineastor Weis 1858-5 ces Castor tortus, Niobrara River, Nebraska. 
Mameastorus Herrera, 1899........ Modification of Castor Linnzeus, 1758. 
Mesogaulus Riaes, 1899............ Mesogaulus ballensis, White Sulphur Springs, 
Montana 
Mylagaulodon Stxcuatr, 1903-. ~~ - - - Mylagaulodon angulatus, Johnson Creek, Oregon. 
Mylagaulus Corr, 1878 ............. Mylagaulus sesquipedalis, Kansas or Nebraska. 
Palzocastor Lemmy, 1869............ Steneofiber nebrascensis, White River, S. Dak. 
alacomys KAUR y N8322— Seem ere Palaeomys castoroides, Eppelsheim, Germany. 
Sigmogomphius J.C. MERRIAM, 1896. Sigmogomphius lecontei, Berkeley, California. 
Steneofiber GEOFFROY, 1833. ........ Steneofiber sp., Auvergne, France. 
Steneotherium GxorrROov, 1833 ...... Steneotherium sp., Auvergne, France. 
Trogontherium G. Fiscugn, 1809..... Trogontherium cuweri, T. werneri, Russia. 
CASTOROIDIDZE. 
Castoroidid: ALLEN, 1877. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Amblyrhiza Corn, 1868............. Amblyrhiza inundata, Anguilia, West Indies. 
Castoroides FosrER, 1838........... Castoroides ohioensis, Nashport, Ohio. 
+ Leptomylus Corr, 1869 ............ Misprint for Loxomylus Cope, 1869. 
Loxomylus Corn, 18692 55-..-5--- << = Loxomylus longidens, Anguilla, West Indies. 
CAVIIDZE. 
FAMILIES AND SUBFAMILIES. 
Caviade Gray, 1821. Hydrocharina Gray, 1825. 
Caviide Bonaparte, 1850. Hydrochoeridae GILL, 1872. 
Kerodontina GERvAi1s, 1849. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Anchimys AMEGHINO, 1886.......... Cardiodon leidyi, Paraná, Argentina. 
Anoéma E. CuyrEgR, 1800777777772 7 Cavia cobaya, Brazil. (See Cavia.) 
? Callodontomys AMEGHINO, 1889..... Callodontomys vastatus, Rio Santa Cruz, Pata- 
gonia. 
Dapiguara WrAIsy [8/2*52-- e New name for Hydrocherus Brisson, 1762. 
(Considered preferable by Liais because 
derived from the Indian name. ) 
Cardiatherium AMEGHINO, 1883 ..... Cardiatherium doeringi, Paraná, Argentina. 
T Cardiodon AMEGHINO, 1885 ....... Cardiodon marshii, C. leidyi, Paraná, Argentina. 
(See Eucardiodon. ) 
*Cardiodus BRAVARD, 1857" ........ Cardiodus waterhousii, C. medius, C. minus, C. 
dubius, La Plata basin, Argentina. 
Cardiomys AMEGHINO, 1885......... Cardiomys cavinus, Paraná, Argentina. 
Caviar PATILASS liGG:s.s2-.2-s225--0 Cavia cobaya, Brazil. 
Caviodon AMEGHINO, 1885 .......... Caviodon multiplicatus, Paraná, Argentina. 
T Ceratodon W AGLER, 1830.......... Emendation of Kerodon Cuvier, 1823. 
Cerodon WAGLER, 1830............- Emendation of Kerodon Cuvier, 1823. 
Cobaya GER AIShzi---- oo Cavia cobaya, Brazil. (See Cavia.) 
ColzaSBIDLBERG, 1828--------------- New name for Caria Pallas, 1766. 
Contracavia BURMEISTER, 1885 ...... Contracavia matercula, Paraná, Argentina. 
Diocartherium AMEGHINO, 1888 ..... Diocartherium australe, Mt. Hermoso, Argentina. 
Dolichotis DEswAnEST, 1819......... Cavia patachonica, Patagonia. 
Eucardiodon AMEGHINO, 1891....... New name for Cardiodon Ameghino, 1885. 
