﻿Description of Plate VIII. 



Page. 



Fig. I. Cruziana Carleyi, n. sp. (From the collection of the Cin. Soc. of 



Nat. Hist.) .. .. . . .: . . . 155 



Fig. 2. a. Burrow of beetle, showing arrangement of mud particles (recent), 153 

 b. Part of same enlarged, . . ... . . • 1 53 



Fig. 3. Part of fossil burrow, Cruziana {Rztsophycus) aspera, M. and D., en- 

 larged (after Miller and Dyer), 156 



Fig. 4. Trail of Lamellibranch (Cyclas) — recent, . . . . . ■ I 5 2 



Fig. 5. Recent trail, I5 2 



Fig. 6. Recent trail (mollusk), . . . . . • . • I 5 2 



Fig. 7. Recent trail, . . I5 2 



Fig. 8. Recent trail (Melania), . . I5 2 



