NO. I CAMBRIAN FAUNAS OF EASTERN ASIA 23 



C 24. About same horizon as C ig, C22, and C26, same section; above C 18, 

 same section ; about same horizon as C 25, different section. 

 Middle Cambrian : Near top of black oolite group in the uppermost 

 layers of the Ch'ang-hia formation [Blackwelder, 1907, p. 33, part 

 of the last list of fossils], 2 miles (3.2 km.) each of Ch'ang-hia, 

 Shan-tung. 



Acrotreta cf. pacifica Inouyia divi 



Dorypyge richthofcni DolicJwmctopns dircc 



Agnostus sp. undt. (pygidium) 



C 25. About same horizon as C 19, C 22, C24, and C26, different section; 

 above C 35, same section. 

 Middle Cambrian : Limestone about 50 feet (15 m.) below the Ku-shan 

 shale in the uppermost beds of the Ch'ang-hia formation [Black- 

 welder, 1907, p. 33, part of the last list of fossils], at Ch'ang-hia, 

 Shan-tung. 



Crepicephalus cf. magnus Anomocare sp. 



Solcnoplciira agno Anomocarella tragus 



Levisia agenor 



C 26. About same horizon as C 19, C22, and C 24, same section; about same 

 horizon as C 25, different section ; above C 18, same section. 

 Middle Cambrian : Near the top of the black oolite group in the upper- 

 most layers of the Ch'ang-hia limestone [Blackwelder, 1907, p. 33, 

 part of the last list of fossils], 2 miles (3.2 km.) north-northeast 

 of Ch'ang-hia, Shan-tung. 



Eoorthis sp. undt. Anomocare ? daiilis 



Crepicephalus damia 



C 27. About same horizon as C 15 and C 16. 



Loxvcr Cambrian: Buff and drab shales in the lower part of the ]\Ian-t'o 

 shale [Blackwelder, 1907, p. 26, third paragraph; and fig. 6 (bed 7), 

 p. 25], on crest of ridge at Ch'ang-hia, Shan-tung. 

 Two species: Redlichia chinensis and Redlichia sp. 



C 28. About 200 feet above C20, same section; about 160 feet above C17, 

 adjacent section; about 25 feet below C23, different section. 

 Middle Cambrian : Thin-bedded oolitic limestone at the base of the 

 Ch'ang-hia limestone [Blackwelder, 1907, p. 32 (first list of fossils), 

 and fig. 6 (bed 20), p. 25], just above the shales in the face of the 

 cliff I mile (1.6 km.) east-southeast of Ch'ang-hia, Shan-tung. 

 This horizon is the first layer in bed "20" (see figure on p. 25) 

 above the black line. 



Eoorthis agreste Anomocarella toxeus 



Inouyia thisbe Bathyuriscus ? sp. 



Anomocarella tenes 



C 29. Below C 30, same section ; about same horizon as C 48, different section. 



Middle Cambrian : Near the top of the cliffy limestone in the Ch'ang- 

 hia limestone [Blackwelder, 1907, p. 32, part of the last list of 

 fossils], I mile (1.6 km.) west of Ch'ang-hia, Shan-tung. 



Two species : Dorypyge richthofeni and Agraulos dryas. 



