DIPOIDES—DIPROTROGLODYTES. 239 
Dipoides JXcrn, 1835. Glires, Theridomyide. 
Die Fossilen Sáugethiere in Würtemberg, Iste Abtheil., 17-18, tab. 1, figs. 
41-51, 1835; 2te Abtheil., 200, 204, 1839 (provisional name). 
Type (species not mentioned), from Melchingen and Salmendingen, Hohen- 
zollern, Germany. 
Zxtinct. Based on several molar teeth. 
Dipoides: Dipus (from Sizovs, two-footed); &780c, form. 
Diposorex BraiNviLLE, 1838. Insectivora, Macroscelidide. 
Ann. Franc. et Étrang. Anat. et Physiol, Paris, II, 217, 1838; Ostéog. Descr. 
Icon. Mamm. Récents et Foss., I, Insectivores, 109, 1840. 
Name provisionally proposed for ‘‘les musaraignes gerboises (Macroscelides)’’ 
of Africa. 
Diposorex: Dipus + Sorex. 
Dipriodon Marsu, 1889. Allotheria, Plagiaulacide. 
Am. Journ. Sci. & Arts, 3d ser., X XXVIII, 85, pl. 11, figs. 13-15, July, 1889. 
Type: Dipriodon robustus Marsh, from the Cretaceous (Laramie) of Wyoming. 
Extinct. Based on ‘the last upper molar of the left side.’ 
Dipriodon: 61-,two; mpi@v, saw; 65@v=66do0vs, tooth—in allusion to the crown 
of the last upper molar, which *' consists of two rows of cones separated by a 
deep longitudinal groove." 
Diproctodon (see Diprotodon Duvernoy). Ungulata, Hippopotamide. 
Diprothomo AmEGHINO, 1884. Primates, ? 
Filogenia, 380, 1884; Cont. Conocimiento Mamíf. Fósil. Repüb. Argentina, in 
Act. Acad. Nac. Cien., Córdoba, VI, 97, 1889. 
Hypothetical genus defined to show the probable evolution of man. ‘‘Segundo 
antecesor del hombre." 
Diprothomo: 61-, two; zpGros, first; + Homo. 
Diprotodon Owen, 1838. Marsupialia, Diprotodontid:e. 
OwEN, in Mitchell’s Three Expds. Eastern Australia, I, p. xix, 1838; II, 362-363, 
plitxacxa, tig: 1918385 ed3 27912308» 1839) 
Type: Diprotodon optatum Owen, from the Wellington Valley, New South Wales. 
Extinct. ''Represented by the anterior extremity of the right ramus, lower 
jaw, with a single large procumbent incisor.’’ 
Diprotodon: 91-, two; mp@ros, first; d6@v=ddo0vs, tooth—from the two large 
upper incisors. 
Diprotodon (subg. of Hippopotamus) DuverNoy,1849. Ungulata, Hippopotamid:e. 
Comptes Rendus, Paris, XXIX, No. 11, pp. 277-278, July-Dec., 1849. 
Diproctodon Gray, Cat. Carn., Pachyderm., & Edentate Mamm. Brit. Mus. 
1869 (misprint, in synonymy). 
Type: Hippopotamus liberiensis Morton, from St. Paul River, Liberia, West Africa. 
Name preoccupied by Diprotodon Owen, 1838, a genus of Marsupialia. (See 
Cheropsis Leidy, 1853. ) 
Diprotodon: 61-, two; pros, first; dd@v=6do0vs, tooth—in allusion to the sin- 
Or" 
, 994, 
gle pair of lower incisors. 
Diprotosimia AMEGHINO, 1884. Primates, ? 
, 
Filogenía, 382-383, 1884; Cont. Conocimiento Mamíf. Fósil. Repüb. Argentina 
t ? , , 5 , 
in Act. Acad. Nac. Cien., Córdoba, VI, 98, 1889. 
Hypothetical genus, ‘‘segundo antecesor del orangutan.”’ 
Diprotosimia: 61-, two; mp@ros, first; +Simia. 
Diprotroglodytes AmEcuino, 1884. Primates, is 
Filogenía, 384, 1884; Cont. Conocimiento Mamíf. Fósil. Repüb. Argentina, in 
Act. Acad. Nac. Cien., Córdoba, VI, 99, 1889, 
