CRUSTACEA. 
SPECIES. REFERENCES. STRATA. LOCALITIES. 
bimucronatus, Murch. Sil. Syst. p. 658. t. 14. W.L. Malvern Hills, 
f. 8, 9. V. Arges. 
quadrimucronatus, Murch. Sil. Syst.p. 658.1.14. W.L. Dudley, 
f. 10. V. Arges. 
PHACOPS, Emmerich. 
BrongniartihPortl. Geol. Rep. p. 282. t. 2. f. 8 ; U.Sil. Wenlock ; Dudley 
Cal.macrophthalma, Brong.t. 1. 
f. 4 ; Sil. Syst. t. 14. f . 2 ; C. 
Downingim, t. 14. f. 3 ; C. Bufo, 
Green; C. Brongniartii, Stein, 
t. 21. f. 4. 
Dalmanni,. ..Portl. ibid. p. 282. t. 2. f. 7- t.3.f. 7. 
Jamesii, Portl. ibid. p. 283 
MurchisonihPortl. ibid. p. 283.1.2. f. 9. t.3.f.9. 
truncate- caudatus, Portl. ibid. p.281.t. 2.f.l-4. 
PHILLIPSIA, Portlock. 
Jonesii, Portl. Geol. Rep. p.308.t. ll.f.3,5. C.L. 
Kellih Portl. ibid. p. 307. t. 11. f. 1 
Maccoyb ...Portl. ibid. p. 309- t. 11. f. 6 
obsoleta, ...Asap/ms, Phil. G. Y. 2. t. 22. f. 3,5. C.L. 
ornata, Portl. ibid. p. 307. t. 11. f. 2 ; Asa- C.L. 
phus truncatulus, Phil. G. Y. 2. 
t. 22. f. 12, 13. 
raniceps, ...Asaphus, Phil. G.Y.2. t. 22. f. 14,15. 
seminifera, Asaphus, Phil. G.Y. 2.t.22.f.8-10. 
PORTUNUS, Leach. 
,...S. V. Wood, MSS 
REMOPLEURIDES, Portl. 
Colbii, Portl. Geol. Rep. p. 256. t. 1. f. 1. 
dorso-spinifer, Portl. ibid. p. 256. t. 1. f. 3 
lateri-spinifer, Portl. ibid. p. 256. t. 1. f. 2 
longi-capitatus, Portl. ibid. p. 257- 1. 1. f. 5, 
longi- costatus, Portl. ibid. p. 257- t. 1. f . 6 
SALICOQUES, Latreille. 
remains of, Brod. G. T. 2 ser. 5. t. 12. f. 3, 4. 
SCYLLARUS, Brong. 
Mantelli, ...Brong. C. F. p. 130 Ch. 
TRINUCLEUS, Lhwyd. CRYPTOLTTHUS, Green. 
? Asaphoides, Murch. Sil. Syst. p. 660. t.23.f.6. L.Sil. Near Builth. 
Caractaci, ...Murch. Sil. Syst. p. 659. t. 23. f.l ; L.Sil. Caradoc Hills 
Ty- 
rone ; Eifel ; Sweden 
Wissenbach ; Prague 
St. Petersburg. 
Sil. 
Tyrone. 
Sil. 
Tramore, Waterford. 
Sil. 
Tyrone. 
Sil. 
Tyrone. 
C.L. 
Kildare. 
C.L. 
Kildare, Ireland. 
C.L. 
Kildare. 
C.L. 
Bolland ; Kildare. 
C.L. 
Hook, Wexford. 
C.L. 
Bolland. 
C.L. 
Derbysh. ; Pembroke ; 
Bolland ; Ireland. 
C.Cr. 
Sutton ; Sudbourne. 
Sil. 
Tyrone, Ireland. 
Sil. 
Tyrone. 
Sil. 
Tyrone. 
Sil. 
Tyrone. 
Sil. 
Tyrone. 
Lias, 
Lyme Regis. 
Ch. 
Lewes. 
Portl. Geol. Rep. p. 262. t. lb. 
f.3. 
Meifod 
H., Montgomeryshire; 
Caermarthensh. ; Ty- 
rone, Ireland ; U. States. 
