,jj) ^^ Palseontologia Sinica Ser. B, 



Cycloceras (?) peitoutzense Grabau 

 Stereoplasmoceras pseudoseptatum Grabau 

 Stereoplasmoceras submarginale Kobayashi 

 Stereoplasmoceras suhcentrale Kobayashi 

 Tofangoceras pauciannulatum Kobayashi 

 Tofangoceras irregular e Kobayashi 

 Actinoceras richthofeni Freeh 

 Aciinoceras tani Grabau 

 Actinoceras coulingi Grabau 

 Actinoceras manchurense Kobayashi 

 A ctinoceras submarginale Grabau 

 Actinoceras nanum Grabau 

 A ctinoceras harioi Kobayashi 

 A ctinoceras suanpanoides Grabau 

 Actinoceras curvatum Grabau 

 Actinoceras murakamii Kobayashi 

 Cyrtactinoceras mitsuishii Kobayashi 

 Discoactinocras multipiexum Kobayashi 

 Cyrtoceras (Meloceras) aff. asialicum Yabe 



2. In Chihlt. 



a. Many cephalopods were obtained by different individuals from the Ma- 

 chiakou Umestone and the Lower Ordovician beds at Kai-ping basin, Shih- 

 mun-chai and some other places, and described by Prof. Grabau.' 



(a). Machiakou Hmestone 



V aginoceras tsinanense Grabau 

 Cycloceras? peitoutzense Grabau 

 Stereoplasmoceras pseudoseptatum Grabau 

 Stereoplasmoceras machiakouense Grabau 

 Stereoplasmoceras actinoceriforme Grabau 

 Actinoceras richthofeni Freeh. 

 Actinoceras tani Grabau 

 Actinoceras coulingi Grabau 

 Actinoceras submarginale Grabau 

 Actinaceras nanum Grabau 

 Cyrtactinoceras frechi Grabau 



I. A. W. Grabau: Ordovician Fossils from North China. Palaontologia Sinica, Ser. B., Vol. 

 I. fasc. I. 



