bo 
zi 
DIACODON—DIAPHRAGMODON. 
ul 
Diacodon-— Continued. 
Diacodon: 8i-, two; d», point; d6d@v=ddovs, tooth—from the form of the 
lower molars, ‘‘which are composed of two portions, the anterior much ele- 
vated and supporting two opposite acute cusps; and a posterior, much depressed, 
bounded by some low tubercles posteriorly." (Copp. ) 
Diademia (subg. of Cercopithecus) REicHENBACH, 1862. Primates, Cercopithecid:e 
Vollstiind. Naturgesch. Affen, 107-109, pls. xvrr, x1x, figs. 262-270, 1862. 
Diadema 'TRovEssART, Revue et Mag. Zool., 3° sér., VI, 122, 1878. 
Species, 4: Cercopithecus roloway, C. diana, C. leucampyx, and C. pluto, from Africa. 
Name preoccupied by Diademca Schumacher, 1817, a genus of Crustacea. 
Diademia: d1adynua, diadem—in allusion to the white band or coronet across 
the forehead (see Diana). 
Diadiaphorus Amecuino, 1887. Ungulata, Litopterna, Proterotheriid:e. 
Enum. Sist. Especies Mamíf. Fós. Patagonia Austral, 20, Dec., 1887. 
Diadophorus LvpEKKER, Zool. Record, for 1887, XXIV, Mamm., 43, 1888. 
Species: Diadiaphorus velox Ameghino, and D. majusculus Ameghino, from the 
Lower Tertiary of southern Patagonia. 
Extinet. 
Diadiaphorus: 01-, two; dót&qopos, indifferent. 
Dialophus Amecuino, 1901. Ungulata, Ancylopoda, Isotemnide. 
Bol. Acad. Nac. Cien. Córdoba, XVI, 415, July, 1901 (sep. p. 69). 
Type: Dialophus simus Ameghino, from the ‘Cretaceous’ of Patagonia. 
extinct. 
Dialophus: 61d, across; Ad@os, crest. 
Diana (subgenus of Cercopithecus) (‘ Lesson’) Trourssart, 1878. 
Primates, Cercopithecide. 
TROUESSART, Revue et Mag. Zool., 3° sér., VI, 124, 1878; Cat. Mamm. Viv. et 
Foss., fasc. 1, Primates, 17, 1879. 
Type: Cercopithecus diana (Linneeus), from Guinea, West Africa. Name pre- 
occupied by Diana Risso, 1826, a genus of Pisces. 
Diana: Goddess of the moon, etc.—in allusion to the white coronet of the type 
species, which bears a fancied resemblance to the silver bow of Diana. 
Diaphorocetus AMEGHINO, 1894. Cete, Physeteridz. 
Énum. Syn. Mamm. Foss. Éocénes 'atagonie, 181, Feb., 1894. 
New name for Mesocetus Moreno, 1892, which is preoccupied by Mesocetus Van 
Beneden, 1880, a genus of Baleenidie. 
Zxtinct. 
Diaphorocetus: ó1&dopos, different; xrjros, whale—i. e., different from Mesocetus 
Van Beneden. 
Diaphorus (‘Gaupry’) Girr, 1872. Feree, Canidze. 
GiLL, Arrangement Fam. Mamm., 67, Nov., 1872. 
Gill refers this genus to Gaudry with the statement: **Simocyon Kaup- Diapho- 
rus Gaudry," but no other mention of Diaphorus as a generic name has been 
found. Gaudry used it specifically (Metarctos diaphorus) in Bull. Soe. Géol. 
France, XVIII, 529, 1860-61, and in Animaux Foss. et Géol. de l'Attique, 
pl. vi, figs. 1, 2 (fide LvpgkkEn, Cat. Foss. Mamm. Brit. Mus., I, 146, 1885), 
also in the form Simocyon diaphorus (Kaup), in Quart. Journ. Geol. Soe. 
London, X XIV, 1-7, 1868. 
Name preoceupied by Diaphorus Meigen, 1824, a genus of Diptera. 
Extinct. 
Diaphorus: Ó:&oopos, different—''qui signifie sans doute espéce de glouton 
s'éloignant du type ordinaire." (GaAupry, Anim. Foss. l'Attique, 37, 1862. ) 
Diaphragmodon Mercerat, 1891-93. Ungulata, Litopterna, Proterotheriid:ze. 
Mercerat, fide Trouessart, Cat. Mamm., new ed., fase. rv, 733, 1898. 
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