DICHOBUNE— —DICOLPOMYS. 
bo 
bo 
-I 
Dichobune— Continued. 
Species, 3: Anoplotherium leporinum Cuvier (=A. minus Cuvier), A. murinum 
Cuvier (=A. minimum Cuvier), and A. obliquum Cuvier, from the Eocene 
gypsum beds of the Paris basin, France. 
Extinct. 
Dichobune: dixa, in two; Bovrds, hill, mound—in allusion to the arrangement 
of the tubercles or ridges in pairs on the posterior molars. 
Dichodon Owen, 1848. Ungulata, Artiodactyla, Anoplotheriid:e. 
Quart. Journ. Geol. Soc. London, IV, pt. 1, No. 13, pp. 36-42, pl. 1v, figs. 2-6, 
Feb. 1, 1848. 
Type: Dichodon cuspidatus Owen, from the Eocene sand of Hordwell, Hampshire, 
England. 
Extinct. Based on ‘‘a portion of the upper jaw, with the three true molars, the 
third and fourth premolars, the canine and three incisors, and a nearly entire 
under jaw." 
Dichodon: Sixa, in two; 66@v= óó60vs, tooth—in allusion to the molars. 
Dichotrichus Gray, 1869. Ungulata, Artiodactyla, i 
Cat. Carniv., Pachyderm., & Edentate Mamm. Brit. Mus., 262, 1869. 
Nomen nudum. ''Alarge number of fossil genera belong to this suborder [Nasuta], 
as Anoplotherium, Xiphodon, Dichotrichus, . . . ; but many of these are only 
known from a few bones or teeth." (GRay.) 
Extinct. 
Diclidurus MaxriwiL1AN, 1820. Chiroptera, Noctilionide. 
Oken's Isis, for 1819, 1629-1630, 1 fig.in text, 1820; Beitr. Naturgesch.  Bra- 
silien, II, 239-260, 1826; Donsow, Cat. Chiroptera Brit. Mus., 391—392, 1878. 
Type: Diclidurus albus Maximilian, from the mouth of the Rio Pardo, Brazil. - 
Diclidurus: ó1«A£c, double-folding; ovp«, tail—from the form of the tail. *'The 
greater part of the tail [is] inferior to the interfemoral membrane, and 
inclosed in a process derived from its inferior surface, its extremity contained 
in a pouch formed in the centre of the membrane which it perforates.’’ 
(DonBsoN. ) 
Dicodon (see Diconodon). Ungulata, Perissodactyla, Titanotheriide. 
Dicclophorus AmrGuHrINo, 1888. Glires, Octodontidee. 
** Lista de los Mamiferos Fósiles de Monte Hermoso, Junio de 1888, p. 6" (fide 
AMEGHINO, Act. Acad. Nac. Cien., Córdoba, VI, 156-160, pl. vr figs. 25-30, 
vit figs. 1—5, 1889). 
Species, 4: Dicwlophorus latidens Ameghino, D. simplex Ameghino, D. celsus Ame- 
ghino, and Ctenomys priscus Owen—all from Monte Hermoso, near Bahia 
Blanca, province of Buenos Aires, Argentina. 
Extinct. 
Dicelophorus: 61-, two; KoiAos, hollow; @opos, bearing—in allusion to the two 
antorbital foramina in contrast with the single foramen in Ctenomys. ‘‘ En 
Ctenomys existe en la base de la apófisis zigomático del maxilar una gran 
abertura circular tinica . . . peroen Dicelophorus . . . existe una perforacion 
independiente." (AMEGHINO. ) 
Dicolpomys Wixcz, 1887. Glires, Octodontidee. 
E Museo Lundii, I, pt. ur, Jordfunde nulevende Gnavere (Rodentia) fra Lagoa 
Santa, Brasilien, 99-101, pl. vin, fig. 10, Dec. 1, 1887. 
Type: Dicolpomys fossor Winge, from ‘Lapa da Escrivania Nr. 5,’ near Lagoa 
Santa, Minas Geraes, Brazil. 
Extinct. Based on the lower jaws of five individuals. 
Dicolpomys: 61-, two; x«óAzos, fold, hollow; “0s, mouse—in allusion to the 
arrangement of the enamel folds of the lower molars, 
