OF GENERA IN ZOOLOGY. 
Therius Dalman. In Billberg, Emim. 
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Theropleura Cope. Proc. Amer. Phil. 
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29, p. 519. 1878. Rept., Pelyc. Cope, 
Carman . 
Thesbia (Jeffreys MSS.) Sars. Moll. 
Reg. Arct. Norveg., p. 221. Nom. 
mythol.? 1878. Moll., Gast., Pectin. 
v. Martens. 
Thesilea Haag-Rutenberg. Verb. Yer. 
naturw. Unterh. Hamb., p. 103. 1878. 
Col. 
Thesprotia Stal. Bihang Svensk. Yet. 
Akad. Handl., i, no. 10, p. 21. 1873. 
Orth., Mant. 
Thessalia Scudder. Bull. Buff. Soc. 
Nat. Sc., ii, p. 285. Nom. propr. ' 1875. 
Lep., Nymph. Scudder. 
Thethys Linne. Syst. Nat. 1746. Moll. 
Agassiz. 
Thetia Gray. Cat. Lizards Brit. Mus., 
p. 32. 1845. Rept: Waterhouse. 
Thetis Cuvier. Anat. Comp. 1800. 
Moll., Gast. 
Thetis Oken. Lehrb. Naturg., v, p. 280. 
1815. Moll., Gast, 
Thettea Bates. 1879. Col. Zool. Jahresb. 
Thetys Meuscii. Mus. Gron., p. 45. 
1779. Moll., Gast. 
Thetys Phillips. Eniim. Moll. Sic. 
(= Thethys.) 1836. Moll. Agassiz. 
Theudoria Stal. Recens. Orth., ii, p. 
15, in table. 1874. Orth., Loc. 
Theutis Oken. Lehrb. Naturg., vi, p. 
121. 1816. Pisces. 
Thevenemyia Bigot. Ann. Soc. Ent. 
France, Bull, mens., [5], v, p. 174. 
Nom. propr. 1875. Dipt., Bomb. 
Bigot. 
Thiara Muhlefeldt. Cat, MSS. (= Me- 
lania.) Moll. Agassiz. 
Thiara Muhlefeldt. Teste Menke, Syn., 
p. 24. 1828. Moll., Gast, 
Thiatira Leach MSS. Teste Gray, Proc. 
Zool. Soc. Lond., 1847, p. 195^ 1847. 
Moll., Biv. 
Thiatisa Leach MSS. Teste Gray, Proc. 
Zool. Soc. Lond., 1847, p. 195. 1847. 
Moll., Biv. 
Thicolia Gray. Syn. Brit. Mus., pp. 56, 
89. 1842, Moll., Gast. 
Thilaira (Desvoidy) Walker. ( =The- 
laira Desvoidy.) 1849. Dipt,, Muse., 
Dex. Verrall. 
333 
j Thilmanus Gtfxio. In litt. Etym. nulla. 
Col. 
' Thimra Giebel. Ins. Yorw., p. 234. 
1856. Dipt. 
Thinobaena Thomson. Scand. Col., i, p. 
39; iii, p. 59. 1859. Col. Water- 
house. 
Thinobius ? Walker? Dipt., Dolicho£>. 
Bigot. 
Thinocyon Marsh. Amer. Journ. Sc. 
Arts, [3], iv, p. 204. dig, the shore ; 
Kvuv , a dog. 1872. Mamin., Carniv. 
Marsh. 
Thinohyus Marsh. Amer. Journ. Sc. 
Arts, [3], ix, p. 248. dig, the shore ; 
vg, a hog. 1875. Mamin., Ungul. 
„ Marsh, Dalton. 
Thinolestes Marsh. Amer. Journ. Sc. 
Arts, [3], iv, p. 205. dig, the shore ; 
Igargg, a robber. 1872. Mamin., 
Prirnat. Marsh. 
Thinonoma Thomson. Scand. Col., i, 
p. 35; iii, p. 5. 1859. Col. Water- 
house. 
Thinophilus Wahlberg. Ofv. Vet. 
Akad. Forh., 1844, p. 37. Oiw, <pL^eu. 
1844. Dipt., Doliohop. Bigot, Verrall. 
Thinopinus Le Conte. Ann. Lyc. Nat. 
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thus.) 1852. Col., Staphyl. Le Conte. 
Thinosaurus Marsh. Amer. Journ. Sc. 
Arts, [3], iv, p. 299. dig, the shore; 
aavpog, a lizard. 1872. Rept,, Lacert. 
Marsh. 
Thinotherium Cope. Proc. Amer. Phil. 
Soc., 1870, p. 292. 1870. Mamm., 
Ungul. Cope. 
Tkinotherium Marsh. Amer. Jouru. Sc. 
Arts, [3], iv, p. 208. dig, the shore; 
drjpiov, a wild beast. 1872. Mamm., 
Ungul. Marsh. 
Thinoxenus Horn. Proc. Amer. Phil. 
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Thiopsyche Butler. Ann. Mag. Nat. 
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Kirby . 
Thiras Giebel. Ins. Yorw., p. 235. 1856. 
Dipt. 
Thisoa — . (v. Tisoa Serres.) Moll. 
Thliboptera Thomson. Scand. Col., i, 
p. 37; iii, p. 20. 1850. Col. Water- 
house. 
Thlipsogaster Rondani. (=Thlypso- 
gaster.) 1864. Dipt., Bomb. Verrall. 
