904 INDEX GENERUM MAMMALIUM. 
PROTODONTA." (Sce MARSUPIALIA, DROMATHERIIDZE. ) 
SIRENIA.^ 
DUGONGIDZE. 
FAMILIES AND SUBFAMILIES. 
Dugongide Gray, 1821. Halicoride Gray, 1825. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Amblychilus G. Fisuer, 1814 ....... New name for Platystomus Fischer, 1803. 
Dugong^ LAcÉPEDE, 1799. .......... Dugong indicus (= Trichecus dugon), Indian 
Ocean. 
Halicore IrpriGEEB, 18117 2. se Trichecus dugon, Indian Ocean. (See Dugong. ) 
T Odobenus RarINESQUE, 1815 ....... New name for Dugong Lacépéde, 1799. 
Platystomus G. FiscHer, 1803....... Trichecus dugon, Indian Ocean. (See Dugong.) 
Prohalcore Ero T; 1880-053 mt Prohalicore dubaleni, vicinity of Tartas, France. 
HALICORIDZE. (See DUGONGIDZE.) 
HALITHERIIDZE. 
FAMILIES AND SUBFAMILIES. 
Halitherida Carus, 1868. Pachyacanthinae BRANDT, 1872. 
Halitheriidae Grvr, 1872. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
t Cheirotherium Bruno, 1839 ........ Cheirotherium sp., Montiglio, Italy. 
?Crassitherium VAN BENEDEN, 1871 .. Crassitherium robustum, Antwerp, Belgium. 
**Cyotherium Kaup, 18—" .......... Synonym of Halitherium (fide Zittel). 
Desmostylus MAnsn, 1888 ........... Desmostylus hesperus, Alameda County, Cal. 
Dioplotherium Cork, 1883. .......... Dioplotherium manigaulti, Wando River, 8. C. 
Eosiren ANDREWS, 1902 ............ Kosiren libyca, Fayüm, Egypt. 
T-Eotherium Owzn, 1875 ............ Eotherium xgyptiacum, vicinity of Cairo, Egypt. 
(See Eotheroides. ) 
Eotheroides PALMER, 1899 .......... New name for Eotherium Owen, 1875. 
Felsinotherium CAPELLINI, 1865 ..... Felsinotherium forestii, Bologna, Italy. 
Fucotherium KAvP, 1840. ........... Halicore cuvieri, Europe. 
Hatonassa MEY eR: WlS382o- SE Manatus studeri, Flonheim, Germany. 
Halibutherium GroaER, 1841........ Halibutherium sp., France. 
Halitheriumd Kaup, 1838. .......... Halitherium dubium, Flonheim, Germany. 
Hemicaulodon Cork, 1869. .......... Hemicaulodon effodiens, Shark River, N. J. 
Metaxytherium Curistou, 1840 ...... Metaxytherium sp., France. 
Miostren: Doo; 1890 222. 799 21 € Miosiren kocki, Antwerp, Belgium. 
? Pachyacanthus BRANDpT, 1871 ...... Pachyacanthus — suessii, P.  trachyspondylus, 
vicinity of Vienna, Austria. 

* OsBORN, Journ. Acad. Nat. Sci. Phila., 2d ser., IX, p. 222, 1888; sometimes referred 
to Proc. Am. Philos. Soc., XXIV, p. 109, 1887, but the name does not occur in that 
article. 
^ IrurGgR, Prodromus Syst. Mamm. et Avium, p. 140, 1811. 
© Dugungus TrEDEMANN, 1808; Dugongidus Gray, 1821. 
“Originally spelled Halytherium (typographical error). 
