AULACODON—AULOCETUS. 129 
Aulacodon Kavr, 1832. Glires, Castoridze. 
‘‘Kaup in H. von Meyer’s Palzeologica zur Geschichte der Erde und ihrer Ge- 
schópfe, 1832," p. — (fide Oken’s Isis, Jena, 1833, 267, and AcGassrz, Nomen- 
2. ? ? > , ? E] 
clator Zool., Mamm., 4, 1842). 
Type: Aulacodon typus Kaup, from Europe. 
Name preoccupied by Aulacodus Eschscholtz, 1822, a genus of Coleoptera; and 
. by Aulacodus Temminck, 1827, a genus of Octodontid:e. 
Extinct. 
Aulacodon: aviaé, aviakos, furrow; 00cv-—0807vz, tooth. 
Aulacodon (see Aulaxodon). Edentata, Megalonychid:e. 
Aulacodus Temminck, 1827. Glires, Octodontide. 
[Mon. Mamm. Tab. Méth., p. xxvi, 1824, nomen nudum. ] 
QO0'7 
Mon. Mamm., vu, 245-248, pl. xxv, 1827. 
Aulacodes Wallace, Geog. Dist. Animals, II, 239, 1876 ( misprint). 
Type: Awlacodus swinderianus Temminck, from Africa; exact locality unknown. 
Name preoccupied by Aulacodus Eschscholtz, 1822, a genus of Coleoptera. 
Replaced by Triaulacodus Lydekker, 1896; the latter, however, is antedated 
by Thryonomys Fitzinger, 1867, based on Aulacodus semipalmatus Heuglin. 
Aulacodus: wvleé, aviakos, furrow; 6d0vs, tooth—in allusion to the upper 
incisors, which have three longitudinal grooves. 
Aulacomys Ruoaps, 1894. Glires, Muridee, Microtine. 
Am. Naturalist, X XVIII, 182-185, figs. 1-5 in text, Feb. 17, 1894. 
Type: Aulacomys arvicoloides Rhoads, from the vicinity of Lake Kichelos and 
Snoqualmie Pass, Kittitas County, Washington, at an altitude of 8,000 feet. 
Aulacomys: aviaé, aDAaios, furrow; j4/0s, mouse—from the narrow longitudinal 
sulcus on each of the upper incisors. 
Aulakodon (see Aulaxodon). Edentata, Megalonychid:e. 
Aulaxinuus Coccur, 1872. Primates, Cercopithecidee. 
Boll. R. Comitato Geol. Italia, Firenze, IIT, Nos. 3 and 4, pp. 68-69, Tav. 1, figs. 
3-5, Mar.-Apr., 1872. 
Aulaxinus LypEKKeER, in Nicholson & Lydekker, Man. Palaeont., II, 1469-1470, 
1889. 
Type: Aulaxinuus florentinus Cocchi, from the Val d' Arno, Italy. 
Extinct. Based on a lower jaw. 
Aulaxinuus: avAcé, furrow; + Inwus. . 
Aulaxodon Hanraw, 1830. Edentata, Megalonychidee. 
Journ. Acad. Nat. Sci. Phila., VI, 284, 1830; Med. and Phys. Researches, 219-330, 
pls. xir-xv, 1835 (provisional name). 
Aulakodon ScuppER, Nomenclator Zool., pt. 1, 39; pt. rr, 54, 1882. 
Aulacodon 'TRovEssART, Cat. Mamm., new ed., fasc. V, 1106, 1898 (in synonymy). 
Type: Megalonyx laqueatus Harlan, from ‘White Cave,’ on Green River, Edmond- 
son County, 120 miles southwest of Lexington, Ky. “Ifthe whole frame [of 
M. laqueatus] should hereafter be discovered, it may even claim a generic 
distinction; in which case, either Aulavodon, or Plewrodon, would not be an 
inappropriate name" (HARLAN, p. 330). 
Extinct. Based on the following parts of the skeleton of a young animal: ‘‘Two 
claws of the forefeet; a radius, humerus, scapula, one rib, and several remnants; 
os calcis, tibia, a portion of the femur; four dorsal and one lumbar vertebr:e; 
a portion of a molar tooth, together with several epiphyses’’ (p. 321). 
Aulaxodon: abvicé, furrow; 080v —0800s, tooth. 
Aulocetus* Van BENEDEN, 1861. Cete, Baleenidee. 
[‘Aulocéte’ Van BENEDEN, Bull. Acad. Roy. Sci. Belgique, 2* sér., XII, 480, 
1861]; ibid., XL, 537-539, 1875; Zrrre,, Handbuch Paleont., IV, 1ste Lief., 
182, 1892. 

*'This name is usually quoted as if published in 1861, but it has not been found in 
Latin form prior to 1875, in the reference cited. 
'(891—No. 23—03-——9 
