Trans. Roy. Soc. Edin. 
VOL. LIT. 
Dr W. T. Gordon : “ Cambrian Organic Kemains from Weddell Sea.” — Plate VII. 
Fig. 75. 
Fig. 76. 
b. 
Fig. 77. 
c. 
Fig. 73. 
W, T. Gordon photomic. 
Zinco-Collotype Coy. Edin. 
