180 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiii. 



Odontopsis Forster (= Gravenhorstia Boie), Verb. d. naturh. Ver. pr. Rheihl., XXV, 



1868, p. 150. 

 Odontoscapus Gribodo, Mem. Aocad. Sc. Bologna, (5), IV, 1896, p. 88. 

 Odontoscapus Kriecbbaumer (= Odontoscapus Gribodo). 

 Oedemopsis Tschek (=Hybophanes Forster), Verb, zool.-bot. Ges. Wien, XX 1890. 



p. 430. 

 Oedicephalus Cresson, Proc. Acad. Nat. Sci. Pbil., 1873, p. 129. 

 Oeyione Haliday (=Sympbya Forster), Ent. Mag., V, 1838, p. 214. 

 Oenonogastra Asbmead, new genus, see p. 105. 



Oetbopborus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 196. 

 Oiorbinus Wesmael, Nouv. Mem. ac. Brux., XVIII, 1844, pp. 166, 202. 

 Olesicampa Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 153. 

 Oletbrodotis Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 151. 

 OUgopledron Forster (=Periope Curtis), Verb. d. naturb. Ver. pr. Rbeinl, XXV, 



1868, p. 161. 

 Olixon Cameron, Biol. Centr.-Am. Hym., 1, 1887, p. 413 [a Betbylid]. 

 Omoborus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 154. 

 Omorga Tbomson (=Omorgus Forster), Opus. Ent., XI, 1887, p. 425. 

 Omorgus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 154. 

 Oncopbanes Forster, Verb. d. naturb. Ver. pr. Rbeinl., XIX, 1862, p. 241. 

 Oneista Forster, Verb. d. naturh. Ver. pr. Rbeinl., XXV, 1868, p. 207. 

 Opheletes Kircbner (^Opbeltes Holmgren), Cat. Eur. Hym., 1867, p. 89. 

 Opbeltes Holmgren, Svensk. Vet.-Akad. Handl., II, 1857, p. 30; Ofvers., XV, 1858, 



p. 323. 

 Opbeltoideus Asbmead, new genus, see p. 95. 



Opbidnus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 185. 

 Opbiodes Hartig, Jabresb. der Forstwiss. u. Forst. Naturk., 1840. 

 Opbion Fabricius, Ent. Syst. Suppl., 1798, p. 210. 



OphioneUu-t^Y estwood (=Pbarsalia Cresson), Tbes. ent. Oxon., 1874, p. 128. 

 Opbionopterus Brulle, Hist. nat. des. Ins. Hym., IV, 1846, p. 153. 

 Opisendra Forster, Verb. d. naturb. Ver. pr. Rbeinl., XIX, 1862, p. 266. 

 Opisoneura Kriecbbaumer, Berl. Ent. Zeitscbr. 



Opisorbyssa Kreicbbaumer, Ann. k. k. naturb. Hofm., V, 1890, p. 488. 

 Opistbostbenus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 175. 

 Opisoxestus Asbmead, new genus, see p. 40. 

 Opius Wesmael, Nouv. Mem. ac. Brux., IX, 1835, p. 115. 

 Orgilomorpba Asbmead, new genus, see p. 129. 

 Orgiloneura Asbmead, new genus, see p. 123. 

 Orgilus Haliday, Ent. Mag., 1, 1833, p. 262. 

 Oresbius Marsball, Ent. Mo. Mag., Ill, 1867, p. 193. 

 Oresimus Asbmead, new genus, see p. 123. 

 Oronotus Wesmael, Nouv. Mem. ac. Brux., XVIII, 1845, p. 213. 

 Orotylus Holmgren, Icbn. Suec, III, 1889, p. 405. 

 Ortezia Cresson, Proc. Acad. Nat. Sci. Pbil., 1873, p. 130. 

 Oi'tbizema Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 168. 

 Ortbocentrus Gravenborst, Icbn. Eur., Ill, 1829, p. 358. 

 Ortbopelma Taschbein, Zeits. Ges. Nat., XXV, 1865, p. 137. 

 Ortbostigma Ratzeburg, Icbn. d. Forstins, II, 1848, p. 71. 

 Ospryncbotus Spinola, Guerin's Mag. de Zool., X, 1841, No. 75. 

 Otacustes Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 174. 

 Otitocbilus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 203. 

 Otlopborus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 202. 

 Otoblastus Forster, Verb. d. naturb. Ver. pr. Rbeinl., XXV, 1868, p. 201. 



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