1 8 RESEARCH IN CHINA. 



CHINESE LOCALITIES Continued. 



C'16. About same horizon as C 15 and 



Lower Cambrian: Slaty black limestone in the lower part of the Man-t'o shale [Black- 

 welder, 19070, p. 26, third paragraph; and fig. 6 (bed 7), p. 25], 2 miles (3.2 km.) 

 south of Ch'ang-hia, Shan-tung. 

 Two species, Redlichia chinensis and Redlichia sp. undt. 



C 17. About 1 80 feet below C23, same section; about 35 feet above C2o, adjacent sections; 



about 1 60 feet below C 28, adjacent sections. 



Lower Cambrian: Ferruginous limestone nodules in the brown sandy shales at the top 

 of the Man-t'o shale [Blackwelder, 19070^.27 (list of fossils at top of page), and 

 fig. 6 (bed 15), p. 25], at Ch'ang-hia, Shan-tung. 



Obolella asiatica Plychoparia aclis Ptychoparia granosa Ptychoparia impar 



(' 18. Below horizon of C 19, C22, C24, and C26, same section; above C2i, same section. 

 Middle Cambrian: Dark gray oolitic limestone about 400 feet (120 m.) above the base 

 of the Ch'ang-hia limestone [Blackwelder, 19070, p. 33 (third list of fossils)], in 

 cliffs i mile (1.6 km.) east of Ch'ang-hia, Shan-tung. 



Scene!! a clot ho Helcionella rugosa oriental is Crepicephalus magnus 



Pelagiella chronus Crepicephalus damia Menocephalus acerius 



C19. About same horizon as C22, C24, and C26, same section; about same horizon as 



C25, different section. 



Middle. Cambrian: Uppermost layers of the Ch'ang-hia limestone [Blackwelder, 

 19070, p. 33, part of the last list of fossils], at Ch'ang-hia, Shan-tung. 



Dorypyge richthofeni Menocephalus abderus Anomocarella tutia 



Damesclla brevicaitdalu Anomocare daulis Dolichomctopus deois 



Lisania belenus 



C20. About 15 feet above C3i, same section; about 35 feet below C 17, different section. 

 Lower Cambrian: Central part of the Man-t'o shale formation [Blackwelder, 19070, 

 p. 26 (last list of fossils) and fig. 6 (bed 14), p. 25], on the west side of an isolated 

 butte i mile (1.6 km.) south of Ch'ang-hia, Shan-tung. 



Billiiigsella richthofeni Ptychoparia aclis Plychoparia (Emmrichella) mantoensis 



C21. About 100 feet above C3O, different sections; about 100 feet below C 18, same section. 

 Middle Cambrian: Ocher-mottled phase of purple-gray limestone in the middle of the 

 oolitic Ch'ang-hia formation [Blackwelder, 19070, p. 33 (second list of fossils)], 

 at Ch'ang-hia, Shan-tung. 



Helcionella rugosa orientalis Crepicephalus damia Solenopleura sp. undt. 



C22. About same horizon as C 19, C24, and C26, same section; above Ci8, same section. 

 Middle Cambrian: Ch'ang-hia limestone in upper oolitic portion [Blackwelder, 19070, 

 pp. 22 and 33 (part of the last list of fossils)], at Ch'ang-hia, Shan-tung. 



Acrotreta lisani Lisania bur a Menocephalus admeta 



Hyolithcs cybele Menocephalus acantha Anomocarella temenus 



Lisania alala 



C2H. About 1 80 feet above C 17, same section; about 25 feet above C28, different section. 

 Middle Cambrian: Upper part of thin-bedded gray oolitic limestone at the base of 

 the Ch'ang-hia formation [Blackwelder, 19070, p. 32 (second list of fossils), and 

 fig. 6 (bed 20), p. 25], 50 feet (15 in.) below the base of the cliffs i mile (1.6 km.) 

 east-southeast of Ch'ang-hia, Shan-tung. This horizon is the fourth bed above 

 the black line in the figure on page 25, the one opposite bed "20." 



Acrothele rara Ptychoparia (Emmrichella} eriopia Agraulos abrota 



Orlhotheca daulis Ptychoparia (Emmrichella) thcano Anomocarella talian 



