PALEOZOIC. 



CRUSTACEA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. LOWER SIL. 



UPPER SILURIAN. 



SPECIES. 



PHACOPID.fi. 



Port lochia M'Coy, 1855 



Sub-latvis 



Stokesii 



Leperditiad^:. 



Primitia S. Jones, 1865.. 



Beyrichia Auct. (pars) ... 



— bicornis Jones 



— bipunctata Salt. 



buprestis Salt 



concinna Jones 



cristata Jones 



excavata Jones S( Moll . 



lenticularis Jones 8f Holl . 



Pi 



— Maccoyi Salt. 



matutina Jones 



mundula Jones 



nana Jones 



ovata Jones S( Holl . 



pusilla Jones 



renulina Jones 



Roemeriana ... Jones 

 Salteriana Jones 



sancti-patrici ... Jones 

 semicordata ... Jones 

 seminnlnm Jones 



simplex Jones 



solvensia Jones 



strangulata Salt. 



tersa Jones 



trigonalis Jones 



umbilicata Jones 



REFERENCES. 



YVide Pbacops. 



Beyrichia, Aim. Mag. Nat. Hist. vol. xvi, p. 173, t. 6, f. 23; 

 ib. vol. xxvi, p. 420, 3rd series. 



MS. Cat. Foss. Mus. P.O. 1865, p. 16; ib. Jones and Holl, 

 Ann. Mag. Nat. Hist. 4 ser. vol. iii, p. 220, woodcut, f. 5. 



Vide Entomis. 



Cytheropsis, Ann. M. N. Hist. 3 ser. vol. i, p. 249, 1. 10, f . 3, 4. 



Ann. Mag. Nat. Hist. vol. xvi, p. 420, 1. 13, f. 1. 



Ann. Mag. Nat. Hist. 4 ser. vol. iii, p. 222, 1. 15, f. 10. 



Ann. Mag. Nat. Hist. 4 ser. vol. iii, p. 219, woodcut, f. 4 

 a, b, c. 



Mor. Cat. Brit. Foss. 2ed. p. 105. Cythere phaseolus,M'Coy, 

 Synop. Sil. Foss. Irel. p. 58; ib. Salt. Siluria, 3 ed. p. 51 7 ; 

 ib. Jones, Ann. Mag. Nat. Hist. 4 ser. vol. ii, p. 55, t. 8, 

 f. 1-3. Forbes, n. sp. Baily, Desc. Quarter-sheet, 35 NE, 

 Geol. Surv. Irel. 1858, p. 10. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, 1865, p. 418, 1. 13, f. 7. 



Beyrichia, Ann. Mag. Nat. Hist. 2 ser. vol. xvi, p. 90 and 

 174. t. 5. f-23J t. 6, f. 28-31. 



Bey. strangulata, var. 7, Ann. Mag. Nat. Hist. 2 ser. vol. xvi, 

 p. 173, t. 6, f. 22. P. nana, id. vol. xvi, 3 ser. p. 420. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 423, 1. 13, f. 13. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 424, t. 1 3, f . 1 1 . 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 419, t. 13, f. 5; ib. 

 Monthly Micro. Jour. 1870, p. 185, t. 61, f. 14. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 422, 1. 13, f. 8. 



Beyrichia strangulata, var. $, Ann. Mag. Nat. Hist. 2 ser. 

 vol. xvi, p. 89, 172, t. 5, f. 15, 16, &c. t. 6, f. 20. 



Ann. Mag. Nat. Hist. 4 ser. vol. ii, p. 56, t. 7, f. 4. 



Beyrichia strangulata, var. /3, young, ib. t. 6, f . 21. 



Beyrichia, Ann. Mag. Nat. Hist. 2 ser. vol. xvi, p. 173, t. 6, 

 f. 24; ib. 3 ser. vol. xvi, p. 418. 



Ann. Mag. Nat. Hist. vol. xvi, 3 ser. p. 41 7 ; ib. Beyrichia, 

 vol. xvi, 1. 16, f. 25-27. 



Leperditia, Ann. Mag. Nat. Hist. vol. xvii, 2 ser. p. 95, t. 7, 

 f. 16. Primitia, Ann. Mag. Nat. Hist. 4 ser. vol. ii, p. 55. 



Cytherina laevigata, Salt. Q. J. Geol. Soc. vol. i, p. 445. Beyr. 

 strangulata, Brit. Pal. Foss. App. A, p. ii, 1. 1 E, f . 1 j 

 M'Coy, ib. p. 156. Primitia, Jones, Ann. Mag. Nat. Hist. 

 2 ser. vol. xvi, p.171, t. 6, f.18; var. a, ib.p.172, t. 6, 

 f. 19; var. 0, t. 6, f. 20,21; var. 7, t. 6, f. 22; ib. Ann. 

 Mag. Nat. Hist. 3 ser. p. 416, and var. a, p. 417. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 421, 1. 13, f. 3. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 421, t. 13, f. 4. 



Ann. Mag. Nat. Hist. 3 ser. vol. xvi, p. 421, 1. 13, f . 2 a-d; 

 ib. 4 ser. vol. iii, p. 220, 1. 15, f. 6. 



~~ 65 



