558 INDEX GENERUM MAMMALIUM. 
Pontotherium Kavr, 1840. Sirenia, Halitheriidze. 
Neues Jahrb. Mineralogie, 1840, 676. 
Ponthotherium Picrer, Traité Paléont., 2* éd., I, 373, 1853. 
Type (species not mentioned), from Europe. ‘‘DasGeschlecht von Bruno, welches 
dieser junge Gelehrte [Christol?] mit dem schon vergebenen Namen Cheiro- 
therium belegt, ist verschieden von beiden; es unterscheidet sich durch Stoss- 
zihne am Oberkiefer und $ komplizirte Backenzühne mit geschlossenen 
Wurzeln. Ich erlaube mir es in Bruno's Namen in Pontotheriwm Bruno [??] 
umzutaufen’’ (Kaup). 
Extinct. 
Pontotherium: zóvros, sea; Gnpiov, wild beast. 
Porcula Hopason, 1847. Ungulata, Artiodactyla, Suidze. 
Journ, Asiatic Soc. Bengal, X VI, pt. 1, new ser., No. 5, pp. 423-428; No. 6, pp. 
593-594, pls. xm—-x1u, Jan.-June, 1847; ‘‘X VII, pt. 2, p. 480, pl. xxvu;”’ 
Proc. Zool. Soc. London, No. crxxvrir, Nov. 10, 1847, 115-116; Ann. & Mag. 
Nat. Hist., X X, 434, 1847. 
Porculia JERboN, Mamm. India, 245-245, 1874. 
Type: Porcula salvania Hodgson, from the Saul Forest, Nepal, India. 
Porcula: Dim. of Lat. porcus, pig—' pigmy hog.’ 
Porcus WacLER, 1830. Ungulata, Artiodactyla, Suidee. 
Nat. Syst. Amphibien, 17, 1830. 
Type: Sus babyrussa Linnzeus, from Celebes. 
Name preoccupied by Porcus Geoffroy, 1829, a genus of Pisces. Replaced by 
Elaphochoerus Gistel, 1848. (See Babirussa Frisch, 1775.) 
Porcus: Lat., pig. 
Porotemnus AMEGHINO, 1902. Ungulata, Ancylopoda, Isotemnide. 
Bol. Acad. Nac. Cien. Córdoba, XVII, p. 28, May, 1902 (sep. p. 26). 
Type: Porotemnus crassiramis Ameghino, from the Notostylops beds of Patagonia. 
Extinct. 
Porotemnus: m@pos, callus; réuvc, to cut. 
Portax (subgenus of Damalis) H. Smirn, 1827. Ungulata, Artiodactyla, Bovide. 
Griffith’s Cuvier, Anim. Kingdom, V, 366-367, 1827; Gray, List Spec. Mamm. 
Brit. Mus., pp. xxvi, 154, 1843 (raised to generic rank). 
Type: Damalis risia (= Antilope picta auct. = Antilope tragocamelus Pallas), from 
northern India. 
Portax: zópra& (— zoprts), calf. 
Portheodon (‘Corr’) Grin, 1872. Cete, Squalodontide. 
GiLL, Arrangement Fam. Mamm.,in Smith. Misc. Coll., No. 230, p. 93, Nov., 1872. 
Nomen nudum. No earlier reference found. 
Extinct. 
Portheodon: zopfiéc, to destroy, ravage; d65@v = ddo0vs, tooth. 
Posteutatus AMEGHINO, 1902. Edentata, Dasypodidee. 
Bol. Acad. Nac. Cien. Córdoba, XVII, 60-62, May, 1902 (sep. pp. 58-60). 
Species, 3: Posteutatus indentatus Ameghino, P. scabridus Ameghino, and P. indem- 
nis Ameghino, from the Notostylops beds of Patagonia. 
Extinct. 
Posteutatus: Lat. post, after; + Eutatus. 
Postpithecus AMEGHINO, 1901. Primates, Henricosbornid:e. 
Bol. Acad. Nac. Cien. Córdoba, XVI, 358-359, July, 1901 (sep. pp. 12-13). 
Species: Postpithecus curvicrista Ameghino, and P. reflerus Ameghino, from the 
‘Cretaceous’ of Patagonia, 
