BACHITHERIUM——BALZENODON. ome 
Bachitherium—Continued. 
Extinct. 
Bachitherium: Bach, the locality where the remains were found; 67pzov, wild 
beast. 
Badactherium Croizer, 1853. Ungulata, Perissodactyla, Rhinocerotid:e. 
CnorzET in Pictet’s Traité Paléont., 2° éd., I, 296, 1853 (nomen nudum?); Grr- 
vais, Zool. et Paléont. Frane., 2° éd., 98-101, 1859. 
Type: Badactherium borbonicum, from the Miocene of Auvergne, France. 
Extinct. 
Badactherium: Possibly from badak, the native name of the two-horned rhinoce- 
ros in Sumatra (Rarrues, Linn. Trans., XIII, p. 2); 67p£ov, wild beast. 
Baenodon AMEGHINO, 1892. . Ungulata, Ancylopoda, Homalodontotheriid:e. 
Bol. Acad. Nac. Cien. Córdoba, XII, entr. 4*, 461, Jan., 1892. 
Type: Baenodon chubutensis Ameghino, based on Colpodon propinquus Burmeister 
(Anal. Mus. Nac. Buenos Aires, III, entr. xvi, 389, pl. vri, figs. 4-10, 1891), 
from Puerto Madryn, near the mouth of the Rio Chubut, Patagonia. 
* La denture qu'il [Burmeister] représente maintenant sur la pl. vir, sous le 
méme nom de Colpodon propinquus n'est pas du méme animal que la dent 
précédemment figurée [pl. 1, fig. 16] . . . Cet animal résulte ainsi ne 
pas avoir de nom, et je propose de le désigner avec celui de Baenodon chubu- 
lensis." (AMEGHINO. ) 
Extinct. Based on teeth. 
Baenodon: 3&, intensive particle; vos, old; 08v —0600c, tooth. (AMEGHINO. ) 
Baginia (subgenus of Macrorus) Gray, 1867. Glires, Sciurid:e. 
Ann. & Mag. Nat. Hist., 3d ser., X X, 279, Oct., 1867; Tuomas, Proc. Zool. Soc. 
London, 1897, 933 (type mentioned). 
Type: Sciurus plantani Ljung, 1801 (—S. notatus Boddaert, 1785), from Java or 
Sumatra. 
DBagimia: Bajing, native name of the type species (Gray, List. Spec. Mamm. 
Brit. Mus., 141, 1843). 
Baiomys (subgenus of Sitomys) Trur, 1894. Glires, Murid:e, Cricetine. 
Proc. U. S. Nat. Mus., XVI, No. 972, p. 758, Feb. 7, 1894. A 
Type: Hesperomys ( Vesperimus) taylori 'Thomas, from San Diego, Duval County, 
Texas. 
Baiomys: Bards, little, insignificant; j/0s, mouse—from its diminutive size. 
Baiosciurus (subgenus of Sciurus), NELsoN, 1899. Glires, Sciuride. 
Proc. Wash. Acad. Sci., I, 31-32, 101, pl. 1, fig. 4, May 9, 1899. 
Type: Sciurus deppei Peters, from Papantla, Vera Cruz, Mexico. 
Baiosciurus: Pards, little; +Sciurus—trom its small size. 
Balena LiNxN ovs, 1758. Cete, Balseenid:e. 
Systema Nature, 10th ed., I, 75-76, 1758; 12th ed., I, 105-106, 1766; Brisson, 
Regn. Anim. in Classes IX distrib., 2d ed., 218-225, 1762; FrLowrn, Proc. Zool. 
Soc. London, 395, 1864 (type fixed). 
Balena Lesson, Nouv. Tableau Régne Anim., Mamm., 202, 1842. 
Species 4, from the Arctic and Atlantic oceans: Balena mysticetus Linnzeus (type), 
Db. physalus Linnzeus, B. boops Linnzeus, and B. musculus Linnzus. 
Balxna: Lat., whale, from Gr. @dAazva, whale. 
Baleenodon Owen, 1846. Cete, Physeteridze. 
Hist. Brit. Foss. Mamm. & Birds, 536-542, figs. 226-229, 1846. 
Type: Balxnodon physaloides Owen, from the Red Crag, Felixstowe, Suffolk, 
England. 
Extinct. Based on ‘portion of a fossil tooth.’ 
Balxnodon: Balxna; 0d@v=0d0vs, tooth. 
