690 INDEX GENERUM MAMMALIUM. 
Triclis Dr Vis, 1888. Marsupialia, Macropodid:e. 
Proc. Linn. Soc. New South Wales, 2d ser, III, pt. 1, 5-8, pl. r, June 5, 1888. 
Type: Triclis oscillans De Vis, from the Pleistocene of Kings Creek, New South 
Wales, Australia. 
Extinct. Based on a single left ramus. 
Triclis: rpi-, three; KAéis, key—i. e., a key to the relationships of three families. 
** The relations of the extinct animal were complex; capriciously, as it were, 
its relie yields us glimpses of each of the three families so frequently named 
[Pleopodid:e, Phalangistidee, and Hypsiprymnid:e], and on this ground it 
may perhaps deserve to retain its cabinet name, Triclis oscellans." (Dk Vrs.) 
Tricodon (see Triconodon). Marsupialia, Triconodontidee. 
Tricoelodus AMEGHINO, 1897. Ungulata, Litopterna, Macraucheniid. 
La Argentina al través de las Ultimas Epocas Geol., 18, 1897 (nomen nudum). 
Tricelodus AMEGHINO, Bol. Inst. Geog. Argentino, XVIII, 454—455, fig. 40, Oct. 
6, 1897. 
Type: Tricoelodus bicuspidatus Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinct. 
Tricoelodus: rpsic, three; «oiAos, hollow; ó90vzc, tooth. 
Triconodon Owen, 1859. Marsupialia, Triconodontide. 
Encyclopedia Britannica, 8th ed., RE 161, fig. 86, 1859 (art. Paleontology); 
Paleeontology, 317, 1860; 2d ed., 351-352, fie: 118, 1861. 
Tricodon TrovEssart, Cat. Mamm., m in Bull. Soc. d? Études Scientif. 
d' Angers, Suppl. l'année 1884, 11, 1885 (misprint). 
Type: Triconodon inordax Owen, from the middle Purbeck of Durdlestone Bay, 
Swanage, Dorsetshire, England. 
Extinct. Based on a lower jaw. 
Triconodon: Tpéis, three; K@vos, cone; 66@v=ddo0vs, tooth—in allusion to the 
crowns of the lower molars, which consist of three nearly equal cones, on the 
same longitudinal row. 
Tricuspidens (subgenus of Plesiadapis) LEMorNE, 1887. — Primates, Plesiadapidee. 
Comptes Rendus, Paris, CIV, No. 3, pp. 192-193, Jan.-June, 1887; Bull. Soc. 
Géol. de France, 3* sér., XV, No. 3, p. 149, Apr., 1887. 
Species: Plesiadapis remensis Lemoine, and P. gervaisii Lemoine, both from the 
lower Eocene in the vicinity of Reims, France. 
extinct. 
Tricuspidens: Lat. tri-, three; cuspis, point; dens, tooth—in allusion, to the devel- 
opment of three points on the upper incisors. 
Tricuspiodon Lemorng, 1885. Creodonta, ? 
Bull. Soc. Géol. de France, 3° sér., XIII, No. 3, pp. 204-205, pl. xu fig. 44, Apr., 
1885; XIX, No. 5, p. 272, pl. x figs. 6-9, May, 1891; Comptes Rendus, Paris, 
CVI, No. 7, p. 512, Jan.-June, 1888. 
Type: Tricuspiodon riitimeyeri Lemoine (1891), from the lower Eocene near 
Reims, France. 
Extinct. Based on teeth. 
Tricuspiodon: Lat. tri-, three; cuspis, point; 66@v—o6o0vs, tooth—in allusion 
to the form of the lower molar. | 
Triglochinopholis FrrzixcER, 1872. % Effodientia, Manide. 
Sitzungsber. Math-. Nat. Cl. K. Akad. Wiss., Wien, LXV, Abth. I, 27-37, Jan.- 
Feb., 1872. 
Species, 3 3: Manis tricuspis Rafinesque, from Guinea and Sierra Leone; M. multi- 
scutata one from Fernando Po; and M. tridentata Focillon, from Mozambique. 
Triglochinopholis: rpi-, three; vAwyis, yAwyivos, point; PodAts, horny scale—in 
allusion to the shape of the scales. ‘‘ Die Schuppen sind an ihrem hinteren 
Rande dreispitzig.’’  (FrTZINGER.) : 
Triglyphus Fna4a4s, 1866. Allotheria, Tritylodontidze. 
Vor der Sündfluth, 215-216, fig. 77, 1866. 
