PART III; GLIRES, OCTODONTIDJE—PEDETIDJE. 863 

Name, authority, and date. Type or included species, and localities. 
Petrobates HEUGLIN, 1860 .......... Petrobates sp. (= Pectinator spekei), Somaliland, 
Africa. 
Petromus A. Smirn, 1831....-.---.-- Petromus typicus, Little Namaqualand, 8. Africa. 
Phtoramys AMEGHINO, 1887......... Phtoramys homogenidens, Monte Hermoso, Ar- 
gentina. 
Phyllomys uNpD, 1839------2----... Phyllomys brasiliensis (?), Bone caves, Brazil. 
Pithanotomys AMEGHINO, 1887 ...... Pithanotomys columnaris, Monte Hermoso, Ar- 
gentina. 
Plagiodontia F. CuvrER, 1836 ....... Plagiodontia xdiwm, Haiti, West Indies. 
** Plataeomis AMEGHINO, 1881" ..... Plataeomys scindens, Rio de La Plata, Argentina. 
Platythrix)PicrET 1842 2.222222... - ‘Voisin des Echimys, Brazil.’ 
Poecilomys PrcrET, 1842............ ‘Voisin des Dactylomys, Brazil.’ 
Pephagomys F. Cuvisr, 1834....... Pephagomys ater, Coquimbo, Chile. 
Potamys LARRANHAGA, 1823 ........ Myopotamus coypus, Argentina. 
Procapromys CHApMAN, 1901........ Capromys geayi, between Caracas and La Guaira, 
Venezuela. 
Proéchimys ALLEN, 1899 ........... Echimys trinitatis, Princestown, Trinidad. 
Prospaniomys AMEGHINO, 1902...... Prospaniomys priscus, Patagonia. 
Protadelphomys AMEGHINO, 1902 ..... Protadelphomys latus, Patagonia. 
T Psammomys P«arrro, 1835......... Psammomys sp. ( — Spalacopus poeppigii), north- 
ernChile. (SeeSpalacopusand Psammoryctes. ) 
Psammoryctes ParPrG, 1835 ........ Psammoryctes noctivagus (= Spalacopus | poep- 
Y pigii), northern Chile. 
Pseudoneoreomys AMEGHINO, 1891... Pseudoneoreomys pachyrhynchus, P. leptorhyn- 
; chus, P. mesorhynchus, southern Patagonia. 
Ruscinomys DEPERET, 1890 ......... Ruscinomys europeus, southern France. 
T Schizodon W ATERHOUSE, 1842...... Schizodon fuscus, volcano of Peteroa, Chile. (See 
Aconaemys. ) 
Scleromys AMEGHINO, 1887.......... Scleromys angustus, southern Patagonia. 
Spalacopus WAGLER, 1832 .......... Spalacopus poeppigii (= Psammomys noctivagus), 
foot of the Andes, Chile. 
Spaniomys AMEGHINO, 1887......... Spaniomys riparius, S. modestus, Patagonia. 
Stichomys AMEGHINO, 1887.......... Stichomys regularis, S. constans, southern Pata- 
gonia. 
Thrichomys TROUESSART, 1881....... Thrichomys antricola, T. inermis, T. brevicauda, 
South America. 
Thrinacodus GÜNTHER, 1879......... Thrinacodus albicauda, Medellin, Colombia. 
Thryonomys FrrZziNGER, 1867........ Aulacodus semipalmatus, Central Africa. 
Triaulacodus LypDEKKER, 1896....... New name for Aulacodus Temminck, 1827. (See 
Thryonomys. ) 
Tribodon AMEGHINO, 1887 .......... Tribodon clemens, Monte Hermoso, Argentina. 
PEDETIDZE. 
FAMILIES AND SUBFAMILIES. 
Halamyde Gray, 1821. Pedestina GraAy, 1825. 
Helamyina DEGLAND, 1854. Pedetide Owen, 1847. 
GENERA AND SUBGENERA. 
Name, authority, and. date. Tupe or included species, and localities. 
Gorbuasb G uvrERA 18252. 62-22-22. Gerbua capensis (= Mus cafer), Cape of Good 
Hope. (See Pedetes.) 
Helamys F. Cuvier, 1817........... Mus cafer, Cape of Good Hope. (See Pedetes.) 
Lagotis BLAINVILLE, 1817 .......... ‘La grande Gerboise du Cap’ ( Pedetes cafer), 
Cape of Good Hope. (See Pedetes.) 
Pedetes |5LbIGER, 1811-----------.--- Mus cafer, Cape of Good Hope. 
