(xi) 16 P alxontologia Sinica Ser. B. 



b. Freeh' reported that there are in the British Museum some specimens of 

 Upper Ordovician cephalopods from Shantung, but the exact locality is 

 unknown. These fossils seem to be equivalent in horizon to those of 

 Couling's collection. 



Actinoceras sp. 

 Trochoceras sp. 



c. Willis and Blackwelder collected some cephalopods from the Tsinan lime- 

 stone of Middle Ordovician age at the following localities. Chau-mi-tien, seven 

 and a half miles S.S.E. of Sin-tai-hsien, NE of Tsai-kia-chuang, two and 

 seven-tenths miles SW of Yen-chuang and some other places near Tsi-nan. 

 These cephalopods were only generically identified by Weller^ . 



Orthoceras sp. (several) 



d. Prof. Grabau described the following forms' and considered them from the 

 same horizon as the Machiakou limestone. 



Stereoplasmoceras pseudoseptatum Grabau 

 Stereoplasmc ceras machiakouense Grabau 

 Actinoceras richthofeni Freeh. 

 Actinoceras tani Grabau 

 Actinoceras coulingi Grabau 

 Actinoceras suanpanoides Grabau 

 Actinoceras curvatum Grabau 

 Cyrtactinoceras frechi Grabau 

 Gonioceras shantungense Grabau 



4. In Honan 



One species of Actinoceras has been obtained from the Machiakou limestone 

 of Hsi-hsien* 



Actinoceras coulingi Grabau 



5. In Kiangsu Province 



a. One form of cephalopod from Richthofen's collection at Ltin-shan had been 

 identified by Freeh" with the following species apparently representing the 



1. F. Freeh: In Richthofen's China, Vol. V, p. 14. 



2. S. Weller: A Report on Ordovician Fossils collected in Eastern Asia in 1903-4. In 

 Research in China, Vol. Ill, pp. 279-280. 



3. A. W. Grabau: Ordovician Fossils from North China. Palwontologia Sinica, Ser. B. 

 Vol. I., fasc. I. 



4. A. W. Grabau: Loc. cit. 



5. Freeh: Richthofen's China, Vol. V. p. 2. 



