(iv) 86 



Pal feotHolrigia Sinica 



Ser. B. 



The description of the gemip is liased on this species and therefore nothing needs 

 be added except the measurements of the type specimen. 



Length of cranidium 2.8 mm. 



Width of cranidium at the palpebral lobe 3.0 mm. 



Length of glabella 1.5 mm. 



Width of glabella at the base 1.4 mm. 



Width of frontal border 0.8 mm. 



Width of fixed cheeks at palpebral lobe 0.95 mm. 



This species is characterized by its triangular cranidium, the long curved lateral 

 spines and the course of the facial siature. 



Horizon and Locality: — Late Middle Cambrian: from the thin platey lime- 

 stone in Kushan shale of Lincheng, Chihli, 



Collected by Y. T. Chao and C .C. Tien. 



