OF GENERA 
Obulus Quenstedt. Petref. Deutschl., 
ii, p. 732. (Lapsus, = Obolus Eich- 
wald.) 1871. Bracb., Obol. 
Obvoluta Megerle. Cat. MSS. (= Vor- 
tex Beck.) Moll. Agassiz. 
Ocalis Boisduval. In Westwood, Gen. 
Diurn. Lep., p. 371. 1851. Lep. 
Occemya Desyoidy. ( = Occemyia Des- 
voidy.) 1853. Dipt., Conop. Verrall. 
Oceaniae Tilesius. Nova Acta, xv. 
Acal. Agassiz. 
Ocemyia (Desvoidy) Schiner. ( = Oc- 
cemyia Desvoidy.) 1868. Dipt., Co- 
nop. Verrall. 
Ocbetobius Gunther. Cat. Fisb. Brit. 
Mus., vii, p. 297. 1868. Pisces. 
Waterhouse. 
Ochimus Thomson. Class. Longic., p. 
370. Nom. propr. 1860. Col. 
Ochina Redtenbacher. Fauna Austr., 
ed. 1, p. 347. 1849. Col. Water- 
house. 
Ochlodes Scudder. Rep. Peab. Acad. 
Sc., iv, p. 78. 1872. Lep., 
Urb. Scudder. 
Ochneris (Costa) Rondani. ( = Ocneros 
Costa.) 1874. Dipt., Muse., Tryp. 
Verrall. 
Ochresthes Lacordaire. Ann. Soc. Ent. 
France, 1860, p. 455. 1860. Col. 
Ochrilidia Stal. Recens. Ortb., i, p. 92, 
in table. 1873. Ortb., Acrid. 
Qchroesthes Chevrolat. Ann. Soc. 
Ent. France, 1860, p. 455. 1860. Col. 
Ochroplevrum Macquart. ( = Ochro- 
pleurum Macquart.) 1851. Dipt., 
Muse., Tacb. Verrall. 
Ocbtera (Latreille) Fallen. (=Ocb- 
tbera Latreille, 1802.) 1823. Dipt., 
Muse., Epbydr. Verrall. 
Ochtera Zetterstedt. Ocbtbera. 1842. 
Dipt. Agassiz. 
Ochthedromus Le Conte. Ann. Lyc. 
Nat. Hist. N. Y., 1848, p. 353. ( = 
Bembidium.) 1848. Col. } Carab. 
Le Conte. 
Ochthephila (Fallen) Westwood. ( = 
Oclitbipbila Fallen, 1823.) 1840. 
Dipt., Muse., Ocbtb. Verrall. 
Qchthephilus Nietner. Journ. Asiat. 
Soc. Bengal, 1857, p. 136. 1857. Col. 
Waterhouse. 
Ochtiphila Fallen. ( = Ocbtbipbila Fal- 
len.) 1823. Dipt., Muse., Ocbtb. 
Verrall. 
IN ZOOLOGY. 229 
Ochtiphila Zetterstedt. ( = Ochthe- 
phila.) 1842. Dipt. Agassiz. 
Ochtiphilinae Zetterstedt. (scr. 
Oebtbepbiloidae.) 1842. Dipt. Ag- 
assiz. 
Ochtiphylla (Fallen) Blanchard. ( = 
Ocbtbiphila Fallen, 1823.) 1845. 
Dipt., Muse., Ochth. Verrall. 
Ochyrocoris Menge. Progr. Realscb. 
Danzig, 1856, p. 17. 1856. Hem. 
Ociptera (Fallen) Rondani. ( = Ocy- 
ptera Latreille, 1805.) 1862. Dipt., 
Muse., Ocypt. Verrall. 
Ocithos Goldfuss. Handb. Zool., i, p* 
673. (=Ocythoe.) 1820. Moll.,Cepb. 
Ocnea (Erichson) Bigot. ( = Ocnaea 
Ericbson, 1840.) 1856. Dipt.,Acroc. 
Verrall. 
Ocneros Costa. Dipt., Muse., Tryp. 
Verrall. 
Ocnerus . Dipt., Scatopb. Bigot. 
Ocnogyna (Lederer) Rambur. Cat. 
Syst. L6p. Andalousie, ii, p. 255. 1866. 
Lep. 
Ocreatus Gould. Proc. Zool. Soc. Lond., 
1846, p. 86. 1846. Aves. 
Octavia Thomson. Class. Longic. Col. 
Octhiphila (Meigen) Westwood. ( = 
Ocbtbipbila Fallen, 1823.) 1840. 
Dipt., Muse., Ocbtb. Verrall. 
Octobothrium Diesing. Syst. Helm., i, 
p. 603. 1850. Vermes. 
Octocaeenia D’Orbigny. Note Pol. Foss. 
( — Stylina.) 1849. Pol., Astraeid. 
Agassiz. 
Octocanna Haeckel. Monogr. Med., i, 
p. 213. 1879. Med. 
Octocannella Haeckel. Monogr. Med. 
1879. Med. Zool. Jahresb. 
Octocanissa Haeckel. Monogr. Med. 
1879. Med. Zool. Jahresb. 
Octocladiscus Thomson. Rev. Zool., 
1856, p. 480. 6/cnJ, octo; a K\a6taKog t 
ramulus. 1856. Col. 
Octocotyle Diesing. Syst. Helm., i, p. 
421. 1850. Vermes. 
Octomeia Rafinesque. Anal. Nat., 1815, 
p. 143. 1815. Moll., Gast. 
Octonema Martens. Monatsb. preuss. 
Akad. Wiss. Berlin, 1868, p. 608. 1868. 
Pisces. Waterhouse. 
Octonema Haeckel. Monogr. Med., i, 
p. 126. 1879. Med. 
Octopoda Gray. Lond. Med. Repos., 
xv, p. 230. 1821. Moll., Cepb. 
