482 



MR. G. S. BRADY'S MONOGRAPH OF 



Paradoxostoma Normani, 458. 



obliquunij 459. 



pulchellum, 459. 



sarniense, 460. 



variabiles 457. 

 Philomedes, 462. 



interpuncta, 463. 



longicornis, 463. 

 Platycopaj 472. 

 Podocopa, 360. 



Polycope^ 470. 



?dentata, 472. 



orbicularis, 471. 

 Polycopidse, 470. 

 Pontocypris, 384. 



acupiinctata, 386. 



angusta, 387. 



mytiloides, 385. 



serrulata, 385. 



Pontocypris trigonella, 387. 

 Pseudocy there, 453. 



caudata, 453. 

 Sclerochilus, 455. 



contortus, 455. 

 Xestoleberis, 437. 



aurantia, 437. 



depressa, 438. 



nitida, 437. 



EXPLANATION 

 Plate 



Notodromas monachus. 



Fi^-. 1. Carapace (male), seen from left side, X 33. 



2. do. do. above, x 33. 



3. do. do. below, x 33. 



4. do. do. front, x 33. 



5. Carapace (female), from left side, x 33. 



6. Detached valves of female carapace, seen 



from below, x 40. 



7. Left valve (female), seen from behind, 



x40. 



8. Postabdominal ramus, x 112. 



9. Lucid spots, x 84. 



Cypris fusca. 



10. Carapace of female, from right side, x 25. 



11. do. do. above, X 25. 



12. do. do. below, X 25. 



13. do. do. front, x 25. 



14. Lucid spots, x 80. 



15. Postabdominal ramus, x 80. 



Cypris incongruens. 



16. Carapace of female, from left side, x 20. 



17. do. do. above, X 20. 



18. do. do. below, X 20. 



19. do. do. front, x 20. 



20. Postabdominal ramus, x 84. 



21 . Anterior extremity of right valve, external 



surface, x 84. 



22. A portion of the anterior margin of right 



valve, seen from within, x 84. 



OP THE PLATES. 

 XXIIL 



Cypris virens. 



Fig. 23. Carapace of female, seen from right side, 

 xl6. 



24. Carapace of female, seen from above, x 16. 



25. do. do. below, X 16. 



26. do. do. front, x 16. 



27. Postabdominal ramus, x 80. 



28. Hinge-margin, right valve, x 40. 



29. do. left valve, x 40. 



30. Lucid spots, x 80. 



31. Contact margin, left, x40. 



32. do. right, x 40. 



Cypris obliqua. 



33. Carapace of female, seen from right side, 



X 25. 



34. Carapace of female, seen from above, x 25. 



35. do. do. below, x 25. 



36. do. do. front, x25. 



37. Postabdominal ramus, x 80. 



38. Lucid spots, x 80. 



Cypris tessellata. 



39. Carapace of female, seen from right side, 



x40. 



40. Carapace of female, seen from above, x 40. 



41 . do. do. below, x 40. 



42. do. do. front, x 40. 



43. Shell-structure, x 310. 



44. Postabdominal ramus, 120. 



45. Lucid spots, 120. 



