668 
Hemiganus, Psittacotlierium, Calamodon, Ectoganus. 
Familia II. f Styiinodontidae. 
771. t Hemiganus, Cope (1882) 1885. 
4106. f otariidens, Cope, Amer. Natur., 1885, fEocaen. Nov.- 
p. 492; Proc.Amer.Pliil.Soc., 1888, p. 311, Mexico. Puerco. 
316, pl. 4 et 5; Wortman, Bull. Am.MuSc, 
1897, p. 67, fig. 2, 3. 
772. t Psittacotherium, Cope, 1882. 
Hemiganus, p.. Cope, 1882. 
4107. fmultifragum, Cope, Amer. Natur., 1882, fEocaen. Nov.- 
p. 157; 1887, p. 469 ; Tert. Vert., 1884, Mexico, Puerco. 
p. 196, pl. 24’’; Osb. et Barle, Bull. Am. 
Mus., 1895, p. 42; Wortmaim, Bull. x4m. 
Mus., 1897, p. 71, fig. 4, 6, 7, 8, 9, 11, 12. 
vultuosus (Hemiganus), Cope, 1. c., 1882, » 
1884, pl.23«. 
Aspasiae, Cope, 1. c., 1884, pl. 24’’ » 
(juv.)- 
megalodus. Cope, Am.Nat., 1887, p.469. » 
773. f Calamodon, Cope, 1874. 
4108. f simplex, Cope, Kep. Ext. Vert., 1874, 
p. 5; Ann. Kep. U. S. Geol. Surv., 1874, 
p. 118; [Fiiial] Eep.AVest lOOMerkl., 1877, 
p. 166, pl.43, 44; Tert. Vert., 1884, p. 189, 
pl. 24’’, 24'’; Wortman, Bull. Am. Mus., 
1897, p. 88, fig. 22—24. 
4109. f arcamoenus, Cope, Rcp. Ext. Vert., 1874, 
p. .5, 6; Ann. Kep., 1874, p. 117; [Final] 
Report, 1877, p. 163, pl. 41, 42, 44. 
4110. f europaeus. Riitimeyer, Verh. Ges. Basel, 
IX, 1890, p. 18; Abh. Schwoiz. Pal. Ges., 
1891, p. 126, pl. 8, fig. 25—27. 
fEocaen. Nov.- 
Mexico, Wasatch. 
fEocaen. Nov.- 
Mexico, Wasatch. 
fEocaen. Helvetia, 
Jura. 
774. f Ectoganus, Cope, 1874. 
Calamodon, p.. Cope. 
4111.f gliriformis, Cope, Rep. Vert. Foss. N.- 
Mexico, 1874, p. 4, 5; Ann. Rep. Geol. 
Surv., 1874. p. 116; [Finali Report West 
100 Mericl.,' 1877, p. 160, pl. 41; Am. 
Nat., 1882, p. 72.- 
fEocaen. Nov.- 
Mexico, Wasatch. 
