XXIX 
LIST OF WOODCUTS. 
Page 
Fig. 1. Orthoo-eras Kinnekullense 3 
2. Eevalense 5 
3. Arcticum 38 
4. annulatum, and its varieties 53 
5. ornatum 65 
6. Hisingeri 65 
7. angulatnm 71 
8. Darwini 77 
9. sulcatum {apcal extremity) 123 
10. Endoceras (structural) 129 
n. Wahlenbergi 129 
12. belemnitiforme (structural) 130 
13. Wahlenbergi (structural) 131 
14. 138 
15. trocbleare 147 
16. , var. percostatum 147 
17. Piloceras, sp. (structural) 159 
18. amplum . . .’ 159 
19. invaginatum 161 
20. Actinoceras Bigsbyi (structural) 164 
21. (structural) 164 
22. ? (structural) 165 
23. (structural) 165 
24. imbricatum 180 
25. Discosorus conoideus 194 
26. gracilis 198 
