3^ 



H. subovalis Reed 5 



H. qualus Bather 5 



Sphaeronis sJiiJitioicnsis Reed 5 



Ovocystis Diansuyi Reed 5 



Fxhinosphacra sinensis Reed 5 



Sinocystis loczyi Reed 5 



^S". yiinnanensis Reed 5 



wS". piroidcs Reed 5 



Cainarocrinus asiaticns Reed 5 



The abundance of cystideans in this fauna of the bed No. 5, after Reed,. 

 suggests its correlation with the Echinosphaeritenkalk of Scandinavia and of 

 the Baltic province of Russia. 



The Ordovician materials of the present study comprise : 



1. Exact locality unknown ; only noted as derived from the vicinity 

 of I-chang,^^ prov Hu-pei (Yamada Coll. No. 4). Very fine, isolated 

 specimens of 



Triplccia poloi Martelli 



2. Pan-tse-ya,-^ Hu-hsi,^^ Hsing-shan-hsien,^' prov. Hu-pei (Noda Coll. 

 No. 102) ; fonnd in a brownish marly limestone : 



Asaphus sp. 



Actinoceras {Or7noccras) sp. undt. 



OrtJioceras cJiinensc Fookd 



Cyrtoceras {Mcloceras) asiatimm Yabe 



3. Kao-huang-ling,^^ Hsing-shah-hsien/^ prov. Hu-pei (Noda Coll. No. 

 103) ; found in a dark grey marly limestone and a semicrystalline limestone 



Triplfcia poloi Martelli 



Plcctanibonitcs cf scricea Sow. 



A much deformed Ort]iis-\\V.& shell. 



4. Liu-chia-ho,^^ Hsing-shan-hsien, prov. Hu-pei (Noda Coll. No. 100) ; 



1) I-chang = gg 



2) Pan-tse-y a = ^^i^ 



3) Hu-hsi = ;3^ 



4) Hsing-shan-hsien = ^|ij^ 



5) Kao-hnang-ling=;=^^ 



6) Liu-chia-ho = PJ^fSI 



