354 
SUPPLEMENTAL LIST 
Xirichthys DeKay. Nat. Hist. N. Y. 
Fish. (v. Xyrichthys.) 1842. Pisces, 
Labr. Agassiz. 
Xista (Meigen) Rondani. (=Xysta 
Meigen.) 1856. Dipt., Muse., Phasin. 
Verrall. 
Xoloptes Canestini. 1879. Arachn., 
Acar. Zool. Jahresb. 
Xuthus Stal. Svensk. Yet. Akad. 
Handl., ix, no. 1, p. 136. 1870. Hem., 
Cor. 
Xyletinites Heyden. Palaeontogr. , xv, 
p. 144. 1866. Col. 
Xylinodes Packard. Proc. Ent. Soc. 
Pkilad., iii, p. 366. Xylina, nom. 
gen.; oideg. 1864. Lep. Packard. 
Xylobanus Waterhouse. 1879. Col. 
Zool. Jahresb. 
Xylobius Dawson. Quart. Journ. Geol. 
Soc. Lond., xvi, p. 272. £v?iov, wood; 
/ 3tog , life. 1859. Myriap., Chilogn. 
Dawson. 
Xylocharis . (v. Xylocaris Ser- 
ville.) Col. 
Xylocoridea Reuter. Pet. Nouv. Ent., 
ii, p. 54. Xylocoris, nom. gen.; to 
Eidog, species. 1876. Hem., Cimic. 
Reuter. 
Xylocrius Le Conte. Class. Col. N. 
Amer., 1873, p. 296. 1873. Col., 
Ceramb. Le Conte. 
Xylodrepa Thomson. Scand. Col., i, p. 
56; iv, p. 17. 1859. Col. Waterhouse. 
Xyloecocoris Reuter. Ofv. Finsk. Yet. 
Soc. Forh., xxi, p. 40. to Z'vlov, lig- 
num ; olkecj, habitare ; o uopig , cimex. 
1879. Hem., Cimic. Reuter, Bergroth. 
Xylomya Rondani. (=Xylomyia Ron- 
dani.) 1831. Dipt., Xylopli. Verrall. 
Xylopemon . ( v. Xylopoemon La- 
cordaire. ) Col. 
Xylopkaga Hartig. Hyra. Agassiz. 
Xylophagella Meek. Smiths. Inst. 
Check List Invert. Foss., p. 34. 
(Type Xy lophaga elegan tula Meek and 
Hayden.) 1864. Moll., Aceph. Dali. 
(Hylophagella huj. op. p. 168 per err.) 
Xylophis Beddome. Proc. Zool. Soc. 
Lond., 1878, p. 576. 1878. Rept. 
Xylopinus Le Conte. Class. Col. N. 
Amer., p. 230. 1862. Col., Tenebr. 
Le Conte. 
Xylorrhiza Laporte. Hist. Nat., ii, p. 
476. tylov, lignum ; p'^a, radix. 1840. 
• Col. 
Xylosteus Frivaldszky. Magyar Tudds 
Tdxs. (Evkon.?), p. 180. tjv'Aov,. lig- 
num; ooteov, os. 1837. Col. 
Xylostylon Reitter. 1879. Col. Zool. 
Jahresb. 
Xyloteza Rondani. ( = Xylotaeja Ron- 
dani, 1844.) 1856. Dipt., Syrph. 
Verrall. 
Xylotoeja Rondani. ( =Xvlotaeja Ron- 
dani.) Dipt. Verrall. 
Xylotrema Rafinesque. Journ. Phys. 
( = Helix.) 1819. Moll. Agassiz. 
Xypkandrium (Loew) Bigot, (ffixi- 
phandrium Loew. ) 1859. Dipt., Dol. 
Verrall. 
Xyphidicera (Macquart) Bigot. ( = 
Xiphidicera Bigot.) 1857. Dipt., 
Emp. Verrall. 
Xyphidium Fieber. Lotos, iv, p. 223. 
(Err. typ. pro Xiphidium.) 1854. 
Orth. 
Xyphidria Lepelletier. 1823. Hym. 
Agassiz. 
Xyphocera (Macquart) Bigot. ( =Xi- 
phocera Macquart.) 1857. Dipt., 
Asil. Verrall. 
Xypliocerus (Loew) Bigot. (=Xipko- 
cera Macquart.) 1857. Dipt., Asil. 
Verrall. 
Xyphosia Desvoidy. 1830. Dipt., 
Muse., Tryp. Verrall. 
Xyphura (Brulle) Westwood. ( ■= Xi- 
phura Brulld.) 1840. Dipt., Tip. 
Verrall. 
Xyphydria Oken. Lehrb. Naturg., v, 
p. 678. (?=Xiphydria Latreille.) 
1815. Hym. 
Xyroscelis Saunders. Trans. Ent. Soc. 
Lond., 1868, p. 53. 1868. Col. Water- 
house. 
Xyroscelis (Laferte MSS.) Thomson. 
Typi Bupr., p. 56. 1878. Col., 
Bupr. 
Xystoena Pascoe. Journ. Linn. Soc. 
Lond., Zool., ix, p. 96. Etym. dub. 
( =Xystaena Marsch. Nomen.) 1863. 
Col., Ceramb. 
Xystopkorus Richardson. Ichth. Ereb. 
Terr. £votov, novacula; <popbg, ferus. 
1845. Pisces, Cataphr. Agassiz. 
Xystosomus Sciiaum. Col. 
Xystracantkus Leidy. Proc. Acad. 
Nat. Sc. Philad. , 1859, p. 3. 1859. 
Pisces. Leidy. 
Xystrodes Agassiz. Pisces, Sel. 
