Paramys, Tillomys. 
451 
Familia VI. f Ischyromydae. 
512. tParamys, Leidy, 1871. 
Plesiarctoinys, p., Leidy (antea); Fseudotomus, Cope, 1872; 
Sciiiravus, Marsh, 1871. 
2528. t delicatus, Leidy, Proc. Acad. Philad., 
1871. p. 231; Ext. Vei-t.Fauu., 1873, p. 110, 
pl. VI, tig. 23—25. 
2529. t delicatior, Leidy, 1. c., 1871, p. 231; Ext. 
Faun., 1873, p. 110, 337, pl. VI et XXVII; 
Cope, TeitVert., 1884, p. 172, p].24a. 
2630.f delicatissimus, Leidy, 1. c., 1871, p. 231; 
1873, p. 112, 33.5, pl. VI; Cope, I.c., 1884, 
p. 179, pl. 24 a. 
2531. fbuccatus, Cope, Keport Geol. Surv. West 
100 Merid., 1877, IV, p. 171, pl. 44; 
Tert.Vert., 1884, p. 179, pl. 24a. 
2532. f hians, Cope, Tert.Vert., 1884, p. 183, 
pl. 24 (Pseudotomus). 
2533. f leptodus. Cope, Tert. Vert., 1884, p. 183, 
pl. 24. 
2534. tsciuroYdes, Scott et Osb., Proc. Am. PMl. 
Soc., XXIV, 1887, p. 256; Scott, Mamm. 
Linta-Form., 1889, p. 474, pl. XI, fig. 1, 2. 
2535. t uintensis, Osb., Bull. Am. Mus. Nat. Hist., 
VII, 1895, p.81, fig. 5. 
2536. t robustus, Marsh, Amer. Joimi. Sc., IV, 
1872, p. 218; Allen, Rod., p. 934. 
2537. fundans, Marsh, 1. c., II, 1871, p. 122 
(Sciuravus). 
2538. f nitidus, Marsh, 1. c., II, 1871, p. 122; 
Allen, Rod., p. 935. 
2539. fparvidens, Marsh, 1. c., IV, 1872, p. 220. 
2540. fsp., Leidy, Ext. Vert. Faun., 1873, p. 113, 
pl. VI, fig. 30. 
fEocaen. America 
sopt., Utah, Wyoming. 
fEocaen. Utah, 
Wyoming, 
Novo-Mexico. 
fEocaen. Utah, 
Wyoming, 
Novo-Mexico. 
fEocaen. Wyoming, 
Novo-Mexico. 
fEocaen. Wyoming. 
fEocaen. \\''yomiug. 
fEocaen. (Uinta), 
Utah. 
fEocaen. Utah. 
fEocaen. Wyoming. 
fEocaen. Wyoming. 
fEocaen. Wyoming. 
fEocaen. Wyoming. 
fEocaen. Wyoming. 
513. f Tillomys, Marsh, 1872. 
2541. f senex, Marsh, Amer. ,Iourn. Sc., IV, 1872, fEocaen. IVyoming. 
p. 219. 
2542. f parvus, Marsh, I.C., 1872, p. 219. fEocaen. Wyoming. 
