650 



LIST OF TRILOBITES IN THE SILURIAN ROCKS. 



HoMALONOTUS, Koilig. 



Homalonotus K?iightii, (Kbnig), Upper Lud- 

 low, PI. 7. f. 1, 2?. 



Ludensis, (nob.), Upper Ludlow, 



PI. 7- f- 3 and 4. 



delphinocephalus, (nob.), Wen- 

 lock Limest., PI. 7 bis, f . 1 a and 1 b. 



Herschelii, (nob.), (Silurian 



Rocks, South Africa), PL Ibis, f. 2. 



Calymene, Brongniart. 



Calymene Blumenbachii, (Brongn.), Ludlow 

 and Wenlock, PI. 7. f. 5, 6 and 7. 



Downingice, (nob.), Wenlock Limest., 



PL 14. f. 3 a and b. 



tuberculata, (nob.) , Wenlock Limest., 



PL 14. f. 4. 



macrophthalma, (Brongn.), Wenlock 



Limest., PL 14. f. 2. 

 variolaris, (Brongn.), Wenlock 



Limest., PL 14. f. 1. 

 ? ? punctata, (Dalm.), Entomostra- 



cites punctatus, (Wahlenberg), Caradoc 



Sandst., PL 23. f. 7 and 8. 



Asaphus, Brongniart. 



Asaphus caudatus, (Brongn.), Ludlow and 



Wenlock, PL 7. L 8 a. 

 tuberculato-caudatus, (nob.), Wenlock 



Limest., PL 7- f. 8 b. 

 longicaudatus , (nob.), Wenlock Shale, 



PL 14. f. 11, 12, 13 and 14. 

 sub-caudatus, (nob.), Ludlow Rocks, 



PL 7. f. 10. 



Cawdori, (nob.), Ludlow Rocks, PI. 7- 



f. 9. 



flabellifer, (Steininger), (not figured), 



Wenlock Limestone. 

 Stokesii, (nob.), Wenlock Limestone, 



PL 14. f. 6. 



Powisii, (nob.), Caradoc Sandst., PL 23. 



f . 9 a, b and c. 

 duplicatus, (nob.), Caradoc Sandst,, 



PL 25. f. 7- 



Buchii, (Brongn.), Llandeilo Flags, 



PL 25. f. 2 a and b. 



Asaphus Corndensis, (nob.), Llandeilo Flags. 

 PL 25. f. 4. 



Vulcani, (nob.), Llandeilo Flags, PL 



25. f. 5. 



? (Illcenus, Dalm. ?) perovalis, n. s. PL 



23. f. 7a and b. 



Tyr annus, (nob.), Llandeilo Flags, PL 



25. f. la and b. 



, (var. ornata, nob.), Llan- 

 deilo Flags, PL 24. 



B 11 mast us, Murchison. 

 Bumastus Barriensis, (nob.), Wenlock Limest., 

 PL 7 bis, f. 3 a, b, c, d, and PL 14. f. 7. 



Paradoxides, Brongniart. 

 Paradoxides bimucronatus, (nob.), Wenlock 



Limest., PL 14. f. 8 and 9. 

 quadrimucronatus, (nob.), Wenlock 



Limest., PL 14. f. 10. 



Acidaspis, Murchison. 



Acidaspis Brightii, (nob.), Wenlock Limest., 

 PL 14. f. 15. 



Trinucleus, Lhwyd. 



Trinucleus Caractaci, (nob.), Caradoc Sandst., 



PL 23. f. la, b, c, d, e and /. 

 fimbriatus, (nob.), Caradoc Sandst. 



and Llandeilo Flags, PL 23. f. 2. 

 radiatus, (nob.), Caradoc Sandst., 



PL 23. f. 3 a and b. 

 Lloydii, (nob.), Caradoc Sandst., 



PL 23. f. 4. 



—— nudus, (nob.), Caradoc Sandst. and 



Llandeilo Flags, PL 23. f. 5. 

 Asaphoides, (nob.), Llandeilo Flags, 



PI. 23. f. 6. 



JOgygia, Brongniart. 

 Ogygia Murchisonice, (nob.), Llandeilo Flags, 

 PL 25. f. 3 a and b. 



Agnostus, Brongniart. 

 Agnostus pisiformis, ? (Brongn.), Llandeilo 

 Flags, PL 26. f . 5 a and b. 



