OF .GENEKA IN ZO 6 LOGY. 
263 
Physina Rafinesque. Anal. Nat., 1815, 
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Physoblemma Brunner. Mitth. schweiz. 
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Physodroma Thomson. Essai Class. 
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Physogaster Lichtenstein. Bull. Soc. 
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Waterhouse. 
Pkysogenia (Macquart) Loew. (pro 
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Muse., Saprom. Verrall. 
Pkysogenia Loew. Bidr. Kanned. Afrik. 
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Dipt., Sapromyz. Bigot. 
Pkysoloestkus Chaudoir. Bull. Soc. 
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\ oloftoq, extremus. ( = Physolaethus 
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Pkysoma Chapuis. Gen. Col., xi, p. 87. 
'< pvoctu >, inflo. 1875. Col., Chrys. 
Pkysopyxis Cope. Proc. Acad. Nat. Sc. 
Pkilad., 1871, p. 112. 1871. Pisces, 
Nernat., Silur. Cope. 
Physsophora Oken. Lehrb. Naturg., v, 
p. 126. 1815. Coel. 
Pkytala Boisduval. In Doubl., List 
Brit. Mus., p. 20. 1847. Lep. 
Pkythalmia (Gerstaecker) Schiner. 
(— Pkytalmia Gerstaecker, 1860.) 
1868. Dipt , Muse., Ortal. Verrall. 
Pky tkia (Gray ) Desha yes. Enc. Mdth. , 
iii, p.762. (v.Pythia.) 1832. Moll., 
Gast. 
Pkythomyza Rondani. ( = Phytomyza 
Fallen, 1823.) 1874. Dipt., Muse., 
Agrom. Verrall. 
Pkytipkaga Westwood. Hy m. Ag- 
assiz. 
Pkytobaenus Sahlberg. Nov. Col. 
Fenn. Spec., p. 9. 1834. Col. 
Pliytogyra D’Orbigny. Note Pol. Foss. 
1849. Pol., Astraeidae. Agassiz. 
Pkytoinia ■. Dipt. Agassiz. 
Pkytomidius Capiomont. Ann. Soc. 
Ent. France, 1868, p. 214. 1868. Col. 
Waterhouse. 
Pkytomyia Halida y. ( == Phytomyza 
Fallen, 1823.) 1833. Dipt,, Muse., 
Agrom. Verrall. 
Pkytomyia Guerin M^n^ville. Yoy. 
Belanger. (pvrog; pvir:. Dipt. , Syrphid. 
Bigot. 
Pkytomyptera Rondani. Nuov. Ann. 
Sc. Nat. Bologna, [2], iii, p. 33. 1845. 
Dipt. 
Pkytonissa . Arachn. 
Pkytonomidius Capiomont. Col. 
Pkytopkaga (Bonaparte) Heckel. 
In Russ. Reisen, 1843. (pvrov , planta; 
({tayoc, edens. 1843. Pisces, Cypri- 
nidae. Agassiz. 
Piagetia Ritsema. Ent. Month. Mag. , ix, 
. p. 121. 1874. Hym., Aculeata. Van 
der Wulp. 
Pialeoidea Westwood. Trans. Ent. Soc. 
Lond., 1876, p. 514. tcwTioq) el6oq. 
1876. Dipt,, Cyrtid. Bigot. 
Piazorrkinus Schonherr. Gen. Cure., 
iii, p. 471. Tuafa, premo ; fnv, nasus. 
(=Piazorhinus Agass. Nomen.) 1836. 
Col., Cure. 
Piazorus Schonherr. ( — Piazurus 
Schonherr.) Col., Cure. 
Picnoseus Soliek. In Gay, Hist. Chile, 
Zool., v, p. 282. 1851. Col. 
Picrocems Milne-Edwards. Ann. Soc. 
Eut. France, [ ], , p. 136. ISoo. 
Crust. Waterhouse. 
Ficrus Chaudoir. Col. 
Picteticrinus Loriol. M6m. Soc. Phys. 
Hist. Nat. Genbve, xxiv, i, p. 454. 
Pictet, nom. propr. ; crinoidea, nom. 
/ilni. (=Cainocrinus Forbes.) 1875. 
Echin., Crinoid. Loriol, Dalton. 
Pictinia Desvoidy. 1853. Dipt., Conop. 
Verrall. 
Pictonia Bayle. Expl. Carte G5ol. 
France. 1879. Cepli., Ainm. Dalton. 
Pidonia Mulsant. Col. France, Longic., 
ed. 2, p. 570. 1863. Col. 
Pierella Westwood. Gen. Diurn. Lep., 
p. 365. 1851. Lep. 
Piesmus Le Conte. Ann. Lyc. Nat. 
Hist. N. Y., 1848, p. 240. 1848. Col., 
Carab. Le Conte. 
Piesta Billberg. Enum. Ins., p. 91. 
1820. Lep. 
Piestochilus Meek. Smiths. Inst. Check 
List Invert. Foss., p. 37 (22). (Type 
Fusus Scarboroughi Meek and Hay- 
den.) 1864. Moll., Gast. Dali, White. 
Piestocystis Diesing. Syst. Helm., i, 
p. 494. 1850. Vermes. 
Piestodactylus Saussure. Mdl. Orth., 
ii, p. 666; Mem. Soc. Phys. Genfcve, 
xxv, p. 526. nieoToc ; daKTvhog. 1878. 
Orth., Gryll. 
