PALEOZOIC, 



CEPHALOPODA. 



CAMBEIAN AND SILUEIAN, 



CAMBBIAN. LOWEB SIL. UPPBE SILUKIAN. 



SPECIES. 



Troohooeras {continued). 



— gyrans Slake. . 



— rapax Barr... 



— regulare Slake., 



— remotum Blake. . 



— speciosum Barr... 



— striatum Blake.. 



PQ 



^ 



REFEEENCES. 



Mono. Brit. Poss. Ceph. p. ■220, t. 29, f. 4. 



Syst. Silur. de Boh^m. vol. ii, p. 124, t. 21, 22. 



Mono. Brit. Poss. Ceph. p. 221, t. 29, f. 7. 



Mono. Brit. Poss. Ceph. p. 215. 



Syst. Silur. de Bohem. vol. ii, t. 14, f. 12-15; il>- Blake, 

 Mono. Brit. Poss. Ceph. p. 219, t. 29, f, 1, 2 j t. 28, f. 3. 



Mono. Brit. Poss. Ceph. p. 222, t. 29, f. 5; t. 30, f, 3,4. 



PISCES. 



SPECIES. 



Suh-Kingdom, VERTEBRATA. 

 Class, FISCES. 



CEPHALASPID.E. 



Zenaspis Lanhester, 1869 



— Salwcyi Bgerton 



^ 



REFERENCES. 



GANOIBEI (OSTEOSTEACl). 



Vide Geol. Mag, Dec. II, vol. viii, p. 193, t. 6. Vide^. 176 

 for references. 



423 



