I 



XIPHOSITRA. 63 



Lumilus trilobitoides, Jiacldand, 1836, Bridgew. Treat, pi. 46". fig. 3; Prest- 



wich, 1840, Geol. Trans. 2nd ser. vol. v. pi. xli. fig. 8. 

 L. trilobitoides?, Portlock, 1843, Report Geol. Londonderry, pi. xxiv. fig. 11. 



Bellinurus Konigianus, H. Woodw. 1872. Coal Measures, Dudley. 



Bellimtrus Kunigianus, H. Woodw. 1872, Geol. Mag. vol. ix. pi. x. fig 8, p. 439. 



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



Ireland. 

 Bellinurus regince, Baily, 1863, Ann. & Mag. Nat. Hist. 3rd ,=er. vol. xi. p. 107, 

 pi. V. figs. 1 A-D ; Quart. Journ. Geol. Soc. 1867, vol. xxiii. pi. i. fig. 1. 



(Bellinurus ? ?) *, sp., M'Coy, 1855. Lower Silurian. 



(Bellinunts ? ?) *, sp., M'Coy, 18.55, Pal. Foss. Woodw. Mus. pi. i. E. fig. 12, 



NEOLIMULUS, H. Woodw. 1868. 

 NeoUmulus, H. Woodw. 1868, Geol. Mag. vol. v. p. 1. 

 Distribution. Upper Silurian. 



Neolimulus falcatus, H. Woodw. 1868. Upper Silurian, Lesmahagow, 



Lanarkshire. 

 NeoUmulus falcatus, H. Woodw. 1868, Geol. Mag. vol. v. p. 1, pi. i. fio-s. 1, 1 a. 



PRESTWICHLA., H. Woodw. 1867. 



Limulus, Prestwich, 1840, Trans. Geol. Soc. 2nd ser. vol. v. 

 Bellinurus, Baily, 18(i3, Ann. & Mag. Nat. Hist. 3rd ser. vol. xi. p. 113. 

 Prestwichia, H. Woodw. 1867, Quart. Journ. Geol. Soc. vol. xxiii. p. 32. 

 Distribution. Coal Measures. 



Prestwichia anthrax, Prcstw. sp., 1840. Coal Measures : Airdrie, 



Dudley, Coalbrookdale, near Nottingham. 

 Limulus anthrax, Prestwich, 1840, Trans. Geol. Soc. 2nd ser. vol. v. pi xli 



figs. 1-4. 

 Bellinurus anthrax, Baily, 1863, Ann. & Mag. Nat. Hist. 3rd ser. vol. xi 



p. 11.3. 

 Pi-estu-ichia anthrax, H. Woodw. 1867, Quart. JoMn. Geol. Soc. vol. xxiii. 

 p. 32, pi. i. fig. 2. 



Prestwichia Birtwelli, H. Woodw. 1872. Coal Measures, Padiham, 



Lancashire. 

 Prestwichia Birtwelli, H. Woodw. 1872, Geol. Mag. vol. ix. pi. x. fio-s. 9 & 10 

 p. 440. 



Prestwichia rotundata, II. Woodw. 1867. Clay Ironstone, 



Coal Measures, Coalbrookdale. 

 Limulus rotundus, Prestw. Trans. Geol. Soc. 2nd ser. vol. v. pi. xli. figs. 5-7. 

 Prestxcichia rotundata, H. Woodw. 1867, Trans. Geol. Soc. Glasgow, vol. ii. 

 p. 240, pi. iii. fig. 8 ; id. 1867, Quart. Journ. Geol. Soc.vol. xxiii. pi. i. Hg. 1. 



* Perhaps a Phyllopodous head-shield. — H. W 



