Fig. 1. Hymenocaris bensoni, sp. nov. Carapace and abdominal segments. No. 139. Loc. 3. Hor. L 3. Holotype. X 3½.

Fig. 2. Hymenocaris lepadoides, sp. nov. Carapace and abdomen. No. 825. Loc. 8. Hor. B 1, low. Holotype. X 2.

Fig. 3. Caryocaris wrightii, Salter. Carapace of large example. No. 112. Loc. 3. Hor. L 3. Plesiotype. X 4½.

Fig. 4. Caryocaris wrightii, Salter. Trifid caudal appendages. No. 526. Loc. 17. Hor.? L 3. Plesiotype. X 3.

Fig. 5. Caryocaris marrii, Hicks. Typical carapace. No. 108b. Loc. 3. Hor. L 3. Plesiotype. X 7.

Fig. 6. Caryocaris marrii, Hicks. Dorsal view of conjoined valves. No. 803. Loc. 12. Hor. C 4. Plesiotype. X 2.

Fig. 7. Caryocaris minima, sp. nov. Carapace. No. 524. Loc. 17. Hor. L 3. Holotype. X 3.

Fig. 8. Lingulocaris cf. acuta (Bulman) (pars.). Carapace. No. 1142. Loc 12. Hor. C 4. Plesiotype. X 2.

Fig. 9. Rhinopterocaris maccoyi (Eth. fil.). Two valves opposed and reversed. No. 543. Loc. 32. Hor. C 5. Plesiotype. X 2.

Fig. 10. Rhinopterocaris maccoyi (Eth. fil.). Separate valves of two individuals. No. 1193. Loc. 9. Hor. B 1, low. Plesiotype. X 2.

Fig. 11. ? Rhinopterocaris macooyi (Eth. fil.). Carapace with cercopods. No. 1320. Loc. 15. Hor. L 2. Plesiotype. X 2.

Fig. 12. Rhinopterocaris maccoyi (Eth. fil.), var. tumida, var. nov. No. 790. Loc. 19. Hor.? L 7. Holotype of var. X 2.

Fig. 13. Rhinopterocaris bulmani, sp. nov. No. 526. Loc. 17. Hor.? L 3. Plesiotype. X 3.

Fig. 14. Rhinopterocaris bulmani, sp. nov. No. 108a. Loc. 3. Hor. L 3. Plesiotype. X 7.