550 INDEX GENERUM MAMMALIUM. 
Pletheelurus—Continued. 
Type: Felis planiceps Vigors & Horsfield, from Sumatra. 
Name antedated by Ailurin Gervais, 1855; by Ictailurus Severtzow, 1858; and 
by Ailurogale Fitzinger, 1869, all based on Felis planiceps. 
Plethzlurus: 7A/j$@, to be full, to complete; azAovpos, cat—probably in allusion 
to the orbit, which is complete, or closed behind. 
Pleuraspidotherium LEworNE, 1878. ; Ungulata, Pleuraspidotheriide. 
[Ann. Sci. Nat., Paris, 6° sér., VIII, Zool. et Paléont., art. No. 1,'p. 2, July, 
1878, nomen nudum]; ‘‘ Bull. Soc. Hist. Nat. Reims, 1878, 104; Ibid., 1881, 12”’ 
(fide Trouessart); Ass. Francaise Avancement Sci., Compte Rendu, 8°, sess., 
Montpellier, for 1879, 590, 1880; Bull. Soc. Géol. de France, 3* sér., VII for 
1879, No. 8, p. 559, Nov., 1880; XI, 349-350, 1883; Comptes Rendus, Paris, 
XCIX, No. 24, pp. 1090-1092, July-Dec., 1884; TRovzssanr, Cat. Mamm., new 
ed., fasc. IV, 727, 1898. 
Species: Pleuraspidotherium aumonieri Lemoine, and P. delessei Lemoine, from the 
lower Eocene near Reims, France. 
Extinct. ‘‘Nous avons pu, en effet, recueillir plusieurs cranes relativement 
intacts.”’ 
Pleuraspidotherium: wAevpa, side; dózís, a6nidos, shield; 4ypiov, wild beast. 
Pleuroceros RocEn, 1898. Ungulata, Perissodactyla, Rhinocerotid:e. 
Bericht Naturwiss. Ver. Schwaben und Neuburg (a. V.), XXXIII, 25, 26, 1898. 
Type: Pleuroceros duvernoyi Roger ( — Rhinoceros pleuroceros Duvernoy), from the 
Miocene of France. 
Name preoccupied by Plewroceras Hyatt, 1868, a genus of Mollusca. 
Extinct. 
Pleuroceros: mAevpa, side; «épac, horn—in allusion to the presence of a conical 
horn tubercle, directed outward, on each nasal bone. 
Pleurocoelodon Awramniwo, 1895. Ungulata, Ancylopoda, Isotemnide. 
Bol. Inst. Geog. Argentino, XV, cuad. 11-12, p. 645, 1895 (sep., p. 45). 
Species: Plewrocoelodon wingei Ameghino, and P. cingulatus Ameghino, from the 
Pyrotherium beds in the interior of Patagonia. 
Extinct. 
Pleurocoelodon: aA evpor, side; KotAos, hollow; 66@v=66ovs, tooth. 
Pleurodon Haran, 1830. Edentata, Megalonychide. 
Journ. Acad. Nat. Sci. Phila., VI, 284, 1830; Medical & Phys. Researches, 319- 
330, pls. xir-xv, 1835. 
Type: Megalonyx laqueatus Harlan, from ‘White Cave’ on Green River, Edmond- 
son County, 120 miles southwest of Lexington, Kentucky. Name provi- 
sionally proposed. ‘‘If the whole frame [of M. /aqueatus] should hereafter be 
discovered, it may even claim a generie distinction; in which case, either 
Aulaxodon or Pleurodon, would not be an inappropriate name" (p. 330). 
Extinct. Based on the following portions of the skeleton .of a young animal: 
Two claws of the fore feet; a radius, humerus, scapula, one rib, and several 
remnants; an os calcis, a tibia, a portion of the femur; four dorsal and one 
lumbar vertebre; a portion of a molar tooth, together with several epiphyses. 
(Med. & Phys. Researches, 321, 1835.) 
Pleurodon: zÀsvpdá, side; d6@v=6dovs, tooth. 
Pleurolicus Corr, 1878. Glires, Heteromyide. 
Paleont. Bull., No. 30, pp. 4-5, Dec. 3, 1878; Proc. Am. Philos. Soc., XVIII, 
66-67, Dec. 30, 1878. 
Type: Pleurolicus sulcifrons Cope, from the John Day Miocene of Oregon. 
Extinct. 
