THYROPTERA —TIGRINA. 679 
Thyroptera Spix, 1823. Chiroptera, Natalide. 
Sim. et Vespert. Brasil. Nov. Spec., 61, tab. xxxvi fig. 9, 1823. 
Thiroptera AGAssiz, Nomenclator Zool., Mamm., 33, 1842; Index Univ., 369, 1846. 
Thyreoptera CANTRAINE, Bull. Acad. Roy. Sci. et Belles-Lett., Bruxelles, XII, 
pt. 1, 489, 1845. 
Tyroptera MitNe-Epwarps & GRANDIDIER, Bull. Soc. Philomathique, Paris, 7° 
sér., IT, 221, 1878. 
Type: Thyroptera tricolor Spix, from the Amazon River, Brazil. 
Thyroptera: 6vpeds, a large oblong shield; zrepórv, wing—probably in allusion 
to the shape of the suctorial disk on the base of the thumb. 
Tichodon AwxaurNo, 1894. Ungulata, Litopterna, Proterotheriid:e. 
Énum. Syn. Mamm. Foss. Form. Eocénes de Patagonie, 43-44, Feb., 1894. 
Type: Tichodon quadrilobus Ameghino, from the Eocene of Patagonia. 
Extinet. Based on a portion of the mandible, with the last and part of the next 
to the last molars. 
Tichodon: rsiyos, wall; 66@v=66o0vs, tooth. 
Ticholeptus Corr, 1878. Ungulata, Artiodactyla, Agriochceride. 
Am. Naturalist, XII, 129, Feb., 1878; Bull. U. S. Geol. & Geog. Surv. Terr., IV, 
No. 2, pp. 380-382, May 3, 1878. 
Tricholeptus ScuppER, Nomenclator Zool., pt. 1, 340, 1882 (misprint, preoccupied 
by Tricholeptus Fromentel, 1875, a genus of Protozoa. 
Type: Ticholeptus zygomaticus Cope, from the upper Miocene of Deep River, 
Montana. 
Extinct. 
Ticholeptus reixos, wall; Aezrós, delicate, slight—possibly in allusion to the con- 
solidation of the premaxillariesy or the absence of vacuities between the orbits. 
Tichorhinus (subg. of Rhinoceros) BRANDT, 1849. Ungulata, Rhinocerotid:e. 
Mém. Acad. Imp. St. Pétersbourg, 6* sér., Sci. Nat., V, 393, 1849 (provisonal 
name *); ibid., 7° sér., XXIV, No. 4, pp. 3-6, 1877. 
Type: Rhinoceros tichorhinus Fischer ( — R. antiquitatis Blumenbach ), from Eurasia. 
Extinct. 
Tichorhinus: tetyos, wall; fis, Ótvóc, nose—in allusion to the ossified nasal 
septum. 
Tideus AmeGcHINo, 1890. Allotheria, Plagiaulacid:e. 
Bol. Inst. Geog. Argentino, XI, cuad. vir-ix, pp. 157, 175, 187, July-Sept., 1890. 
Tidaeus AMEGHINO, Énum. Syn. Mamm. Foss. Eocénes Patagonie, 84, Feb., 1894. 
Type: Tideus trisulcatus Ameghino, from the lower Eocene of southern Patagonia. 
Name said to be preoccupied by ‘Tydzus’ (? misprint for Tydeus Koch, 
1842, a genus of Arachnida; or for Tydeus Sauvage, 1842, a genus of Pisces). 
Replaced by Mannodon Ameghino, 1893. 
Extinct. Based on a lower incisor. 
Tideus: Tvdevs, Tydeus, son of CEneus, King of Calydon. 
Tigrina (subgenus of Felis), Greve, 1894. Feree. Felide. 
[Tigrine Waaner, Suppl. Schreber’s Siugthiere, II, 469-474, 1841.] 
Nova Acta Acad. Czes. Leop.-Carol., LXIII, No. 1, pp. 48-55, 1894. 
Species and subspecies, 5: Jis tigris Linnzeus, F. tigris sondaica ( — Tigris sondaica 
Fitzinger), J. macroscelis Temminck, £F. marmorata Martin, and F. tristis 
Milne-Ed wards, from southern Asia. 
Tigrina: Lat., like a tiger. 

* ** Sectionis itaque peculiaris inter species dentibus incisoriis evolutis et abortien- 
tibus medi: notisque propriis instruct:ze typum componere valet Tichorinorum nomine 
forsan designandum."  (BnaNpr.) 
