PETROBATES— —PHACO-CHOERUS. 59 
Petrobates—Continued. 
Type: Petrobates sp. ( — Pectinator spekei Blyth, 1855), from the ‘Adail’ country, 
Somaliland, northeast Africa. 
Petrobates: zérpa, rock; Patns, walker. 
Petrodromus PrrEns, 1846. Insectivora, Macroscelidid:e. 
Bericht und Verhandl. K. Preuss. Akad. Wiss., Berlin, Aug., 1846, 257—258. 
Naturwiss. Reise nach Mossambique, Sáugeth., 92-100, Taf. xx, xxiv, figs. 11- 
12, 1852. 
Type: Petrodromus tetradactylus Peters, from Tette, Mozambique, Africa (S. Lat. 
16°-17°. 
Petrodromus: wétpa, rock; 5p0s0s, a course, running—i. e., running over rocks; 
living in rocky places. 
Petrogale Gray, 1837. Marsupialia, Macropodid:e. 
Charlesworth's Mag. Nat. Hist., I, 585, Nov., 1837; THomas, Cat. Marsup. & 
Monotrem. Brit. Mus., 62-72, 1888. 
Type: Petrogale penicillatus (— Kangurus penicillatus Gray), from eastern Aus- 
tralia (locality fide Thomas). 
Petrogale: wétpa, rock; y aA), weasel 
districts. 

in allusion to its habitat in rugged, rocky 
Petromus A. Smirn, 1881. Glires, Octodontid:e. 
S. African Quart. Journ., I, No. 5, pp. 10-11 (misprint for p. 2), Oct., 1831. 
Petromys, A. Smrru, S. African Quart. Journ., II, No. 2, pp. 146-147, Jan.-Mar., 
1834; Ill.-Zool. S. Africa, Mamm., pt. 1x, tab. 20, 21 fig. 1, Jan., 1840; W. L. 
ScLATER, Mamm. S. Africa, II, 84-85, fig. 108, 1901. 
Type: Petromus typicus A. Smith, from Little Namaqualand, South Africa. 
Petromus: zérpa, rock; 0s, mouse—‘rock rat,’ from its habitat among the dry, 
rocky mountain ranges of Namaqualand. 
Petrorhynchus Gray, 1865. Cete, Physeterid:e. 
Proc. Zool. Soc. London, 1865, 524-528, 2 figs. in text; Cat. Seals & Whales Brit. 
Mus., 342-347, figs. 67-69, 1866; W. L. ScnATER, Mamm. &. Africa, IT, 191, 
1901 (in synonymy ). 
Type: Hyperoodon capensis Gray (=Ziphius cavirostris G. Cuvier), from the seas 
off the Cape of Good Hope. 
Petrorhynchus: wétpa, rock; pUvyyos, snout, beak—in allusion to the thick, hard, 
intermaxillary bones. 
Phacellochoerus Hempricu & EHRENBERG, 1832. Ungulata, Artiodactyla, Suide. 
Symbol Physicze, Mamm., II, sig. qq, Nov., 1832. 
Emendation suggested, but not adopted, for Phaco-choerus F. Cuvier.  ‘‘ Phaco- 
choeri nomen infeliciter fabricatum est, Phascochaeris vero intelicius. @®aKkos 
seu Pak? Greecis verruca non est, etsi Gallis forsan vox /entille in eum sensum 
abeat. Desmarest qui illius nominis loco Phascochaerus scripsit non suem 
verrucosum, sed animal dentinum fasciculis gaudens a6xo0s yaipwy in mente 
habuisse posset, nec male. . . .  Phacellochoerus, Phacellochaerus aut Buno- 
choerus illum sensum rectius dedissent."  (HreMwPRICH & EHRENBERG. ) 
Phacellochoerus: q«ticeAoc, bundle, fagot; yozpos, hog. 
Phaco-choerus F. Cuvier, 1817. Ungulata, Artiodactyla, Suid:e. 
[‘Phacochcere’ F. Cuvier, Nouv. Bull. Soc. Philomatique, Paris, II, 139, 1810. ] 
F. Cuvier, in G. Cuvier’s Régne Animal, 236-237, 1817; nouv. éd., 244—245, 1829; 
W. L. Sctater, Mamm. S. Africa, I, 276-281, figs. 70-71, 1900 (type fixed). 
Phócochórus Vorar, Uebers. Naturgesch., 422, 1819. 
Phacocherus FrigMING, Philos. Zool., II, 200, 1822; CuviEen, Dents Mamumiféres, 
251, 1825. 
Phascochaeres RéPrELL, Atlas Reise nórdlichen Afrika, T, 61, 1826, 
Phascocherus GrivrirH, Cuvier's Anim. Kingdom, V, 289, 1827, 
