62 AMPHirODA. XIPHOSUEA. 



Trinucleus Thersites, Salter, 1853. Lower Silurian, Tramore, Waterford. 

 TriniicleHs Thersites, Salter, 1853, Geol. Surv. Decade vii. 



Trinucleus, sp., Hicks, 1876. Arenig, Cambrian Shales, 



near Caernarvon. 

 Trinucleus, sp., Hicks, 1876, Quart. Jonm. Geol. Soc. vol. xxxii. p. 135. 



Order V. AMPHIPODA. 



PROSOPONISCUS, Kirkby, 1857. 



Trilohites, Schloth. 1820, Petrefact. p. 41. 



Prosopuniscus, Kirkby, 1857, Quart. Joiirn. Geol. Soc. vol. xiii. p. 214; 

 Spence Bate, 1859, ib. vol. xv. p. 137. 

 Distribution. Permian. 



Prosoponiscus problematicus, Schloth. sp., 1820. Maguesian Limestone, 



Durham. 

 Trilobites prohlematicus, ScHoth. 1820, Petreftxct. p. 41. 



Prosoponiscus prohlematicus, Kirkby, 1857. Quart. Joum. Geol. Soc. vol. xiii. 

 p. 214, pi. vii. figs. 1-7 ; Spence Bate, 1859, Quart. Jouru. Geol. Soc. vol. xv. 

 p. 137, pi. vi. figs. 1-7. 



Order VI. XIPHOSUEA. 



BELLINURUS, Konig, 1820. 



Bellinurus, Konig, 1820, Icones Foss. Sect. pi. xviii. ; Baily, 18G3, Ann. & 



Mag. Nat. Hist. 3rd ser. vol. xi. p. 112 ; H. Woodward, 1872, Geol. Mag. 



vol. ix. p. 439. 

 Entomolithus, Martin, 1809, Pet. Derb. ; Parkinson, 1811, Org. Rem. 



vol. iii. 

 Limuhis, Buckland, 1836, Biidgew. Treat, vol. i. p. 396, vol. ii. p. 77 ; 



Prestwicb, 1840, Geol. Trans. 2nd ser. vol. v. ; Portlock, 1843, Rep. 



Geol. Londonderry, p. 316. 

 Bellinurus ?, M'Coy, 1855, Pal. Foss. Woodw. Mus. 

 Distribution. Coal Measures. 



Bellinurus arcuatus, Baily, 1863. Coal Measures, Queen's County, 



Ireland. 

 Bellinurus arcuatus, Baily, 1863, Ann. & Mag. Nat. Hist. 3rd ser. vol. xi. pi. v. 

 figs. 2 A-c (sine descrip.). 



Bellinurus bellulus, Kiinig, 1820. Coal Measures, Coalbrookdale, 



Shropshire ; near Mansfield, Nottingham ; Dudley, Shropshire. 



Bellinurus bellulus, Konig, 1820, Icones Foss. Sect. pi. xviii. fig. 230 ; Baily, 



1803, Ann. & Mag. Nat. Hist. 3rd ser. vol. xi. p. 112; H. Woodw. 187^, 



Geol. Mag. vol. ix. p. 439. 



Entomolithus (Monoculus) lunatus, Martin, 1809, Pet. Derb. pi, xlv. fig. 4 ; 



Parkinson, 1811, Org. Rem. vol. iii. pi. xvii. fig. 18. 



