﻿PLATE XVI. 



Fig. 



I. 



2. 

 3. 

 4. 



5. 



6. 

 7. 



8. 



9. 

 10. 

 11. 



23. 

 24. 



(All the figures are of natural size except figs. 16 b, 22 b, and 24 6, 



which are X 40.) 



Peltocaris aptychoides, Salter. British Museum. (Page 113.) 



— — — British Museum. (Page 114.) 



— — — Distorted. Mus. Pract. Geol. (Page 114.) 



— anatina, Salter. Mus. Pract. Geol. (Page 114.) 



— — — Narrowed by pressure. Cambridge Museum. 



(Page 115.) 



— — — Perfect. British Museum. (Page 115.) 



— — — Mus. Geol. Surv. Scotland. (Page 115.) 

 _ _ _ Coll. D. J. Brown. (Page 115.) 



— (aptychoides, Salter.) Young. Coll. D. J. Brown. (Page 114.) 



— patula, sp. nov. British Museum. (Page 116.) 



12. Discinocaris Browniana, H. Woodward. 



13. — — 



14. — — 



15. — — 



16. - — 



17. 

 18. 

 19. 



Widened by pressure 

 bridge Museum 



Coll. J. E. Marr. Cam- 

 (Page 116.) 

 British Museum. (Page 



20. 

 21. 



22. — 



ovalis, sp. nov. 

 Bro'tmviana, H. 



Coll. D. J. 

 Woodward. 



Damaged. 

 119.) 



Squeezed. Mus. Geol. Surv. Scot- 

 land. (Page 120.) 

 Squeezed. Mus. Geol. Surv. Scot- 

 land. (Page 120.) 

 Widened by pressure. Coll. J. 



Dairon. (Page 120.) 

 a, convex cast, widened by pressure ; 

 b, interstitial ornament, enlarged 

 40 diam. Mus. Geol. Surv. Scot- 

 land. (Page 121.) 

 Much widened by pressure. Cam- 

 bridge Museum. (Page 121.) 

 Narrowed by pressure. Cambridge 



Museum. (Page 121.) 

 Narrowed and flattened by pressure. 

 Cambridge Museum. (Page 121.) 

 Brown. (Page 121.) 

 Slightly distorted ; obscured at the 



notch 

 121.) 

 convex 

 stitial 

 diam. 

 (Page 

 Distorted. 



Coll. Lapworth. (Page 



cast, widened ; b, inter- 

 ornament, enlarged 40 

 Coll. D. J. Brown. 

 121.) 



Coll. D. J. Brown. 



— undulata, sp. nov. a, 



(Page 121.) 

 convex cast ; b, interstitial ornament, 

 enlarged 40 diam. Coll. D. J. Brown. 

 (Page 122.) 



