LIST OF ILLUSTRATIONS. 



PLATES. Facing 



page. 



1. New American brachyrhynchous crabs 130 



2. New American brachyrhynchous crabs 130 



3. New American brachjThynchous crabs 130 



4. New American brachyrhynchous crabs 130 



5. New American brachyi'hynchous crabs 130 



6. New American brachyrhynchous crabs 130 



7. New American brachyrhynchous crabs 130 



8. New American brachjThynchous crabs 130 



9. New American brachyrhynchous crabs 130 



10. New American brachyrhynchous crabs 130 



11. Cottoid fishes from Monterey Bay, California 135 



12. Ilyria amazonia Frierson 364 



13. MoUusks of Chincoteague, Va 422 



14. MoUusks of Cliincoteague, Va 422 



15. Skulls of OnycJiomys 490 



16. New Rotatoria from Panama 564 



17. New Rotatoria from Panama 564 



18. New Rotatoria from Panama 564 



19. New Rotatoria from Panama 564 



20. New Rotatoria from Panama 564 



21. New Rotatoria from Panama 564 



22. New Rotatoria from Panama 564 



23. New Rotatoria from Panama 564 



24. New Rotatoria from Panama 564 



25. Male genus types 730 



26. Male genus types 730 



27. Male genus types 730 



28. Male genus types 730 



29. Females of Sahnincola cali/oniiensis and S. salmonea 730 



30. Females of Sahnincola siscoioet and aS". edwardsii 730 



31. Females of Sahnincola oquassa, S. hicauliculata, and S. fauculata 730 



32. Females of Sahnincola thymalli, S. inermis, and S. beani 730 



33. Females of Sahnincola carpenteri and S. gibber 730 



34. Females of Achtheres corpulentus and A. micropteri 730 



35. Females of Achtheres micropteri and A. lacae 730 



36. Female of Achtheres coregoni and male of A. ambloplitis 730 



37. Female of Achtheres ambloplitis 730 



38. Female of Achtheres pimelodi 730 



39. Females of Achtheres percarum and males of Lernaeopoda elongata and 



Lernaeopodina relata 730 



40. Females of Lernaeopodina relata and Tracheliastes grandis 730 



41. Females of Brianella corniger and Charopiniis bicaudatus 730 



42. Females of Charopinus bicaudatus and Naobranchia lizae 730 



43. Females of Naobranchia lizae 730 



44. Female and male of Naobranchia occidentalis 730 



45. Female and male of Clavella perfida and female of C. tumida 730 



