(0 8 Palseontologia Sinica Ser. B 



18 Lophospira terrassa Grabau, Chibli 



19 Lophospira obscura Grabau, Cbibli 



* 20 Lophospira sp., Shantung (Weller) 



21 Pagodispira derwiduii Grabau, Cbibli 



22 Pagodispira dorothea Grabau, Chibli 



23 Pagodispira dorothea var. laxa Grabau, Cbibli 



24 Liospira barbouri Grabau, Chihli 



* 25 Liospira sp. (RaphistomacL nequilatemm Koken, Freeh), Manchuria (Freeh) 

 26 Salpingostoma terrilli Grabau, Chihli 



CONULARIDA 



* 27 Hyolithes sp., Shantung (Lorenz) 

 CEPHALOPODA 



28 Vaginoceras tsinanense Grabau, Chibli 



* 29 Orthoceras sp. (several), Shantung (Weller) 



30 Cydoccras? peitoutzense Grabau, Chibli 



31 Stereoplasmoceras pseudoseptatam Graba.u, Chihli, Shantung 



32 Stereoplasmoceras machiakounense Grabau, Chihli, Sliantung 



33 Stereoplasmoceras actinoceriforme Grabau, Chihli 



34 Actinoceras richthofeni Freeh, Chihli, Shantung, Manchuria (Freeh) 



35 Actinoceras tani Grabau, Chihli, Shantung 



36 Actinoceras coulingi Grabau, Shantung (Crick), Honan, Chihli 



37 Actinoceras suanpanoides Grabau, Shantung 



38 Actinoceras submarginale Grabau, Cbibli 



39 Actinoceras nanum Grabau, Chihli 



40 Actinoceras cvrvatum Grabau, Shantung 



41 Ci/rtactinoceras frechi Grabau, Chihli, Shantung 



42 Gonioceras shantungense Grabau, Shantung 



* 43 Trochoceras sp., Shantung (Freeh) 



TRILOBITVE 



44 Asaphus bcelimi Lorenz, Shantung (Lorenz), Chihli 



45 Asaphus? sp. or Isottlus sp., Chihli 



* 46 Asaphus f sp., Shantung (Weller) 



A consideration of this fauna clearly shows it to be of early Upper Ordovician age 

 corresponding to the fauna of the Black River limestone of New York and Canada and to 



