INDEX. 
Acoritus, 21. 
Agaasizia, 59. 62. 
Ambigena, 7, 8. 
Ambigenus, 7. 
Ambigua, 7. 
Amphidetus, 42, 43. 
Amphidotus, 42, 43. 
Anachitis, 38. 
Angulare, 7. 
Angulosa, 28. 
Angulosus, 28. 
Antarctita, 57. 
Apomesostomi, 37. 
Arachnoidea, 13. 
Arcuarius, 43. 
Areolatus, 53. 
Atlanticus, 15. 
Atropos, 61, 62. 
Attenuatum, 10. 
Augusti, 17. 
Aurita, 21. 
Auritus, 21. 
Australasia, E., 5. 
Australasise, 46. 
Australe, 44. 
Australis, 34. 36. 57, 
58. 
Bicinctus, 55. 
Bifissa, 26. 
Bifora, 20. 
Biforis, 20. 
Biforus, 20. 
Bilinearifora, 20. 
Biperforatus, 20. 
Bonani, 12. 
Breynia, 45. 
Brissoides, 59. 
Brissiopsis, 55. 57. 
Brissus, 43. 46. 50, 51, 
52, 53. 55. 61. 
Bufonius, 30. 
Campana, 38. 
Canaliferuni, 60. 
Capitis mortui, 7. 
Caribsearum, 34. 
Carinatus, 53. 
Cassidulides, 31. 
Cassidulina, 27. 
Cassidulus, 34. 
Catocystos, 1. 
Cavernosa, 57. 
Centralis, 29. 
Centrosomes, 31. 
Chinensis, 57. 
Cingulatura, 11. 
Circinnatus, 11. 
Clvpeaster, 2, 3. 8. 12. 
22. 35. 
Clypeasterina, 3. 
Clypeaatres, 1, 2. 
Clypeastritse, 4. 
Clypeasteroidea, 1. 
Coleae, 6. 
Columbarius, 54. 
Compressus, 53. 
Conforrais, 32. 
Cordatus, 43. 
Cordiformis, 43. 
Craniolaris, 29. 
Crassus, 33. 
Cruciatus, 33. 
Crux Andreae, 46. 
Cubensis, 61. 
Cuvierii, 35. 
Cyclopora, 26. 
Cyclostomus, 32. 
Cystidea, 63.' 
Decadactylus, 18. 
Decagona, 11. 
Decagonalis, 11. 
Decagonum, 11. 
Dendraster, 16. 
Dentatus, 17. 
Depressa, 10. 
Depressum, 10. 
Depressus, 36. 
Desoria, 58. 
Desorii, 46. 51. 
Digitata, 17, 18. 
Digitatus, 18. 
Dimidia, 18. 
Dimidiatus, 52. 
Echinanthus, 4. 39. 
Echinarachnins, 8. 13, 
14, 15, 16. 
Echinida, 1. 
Echinides, 1. 
Echinobrissina, 37. 
Echinobrissus, 37. 
Echinocyamus, 27, 28, 
29. 36. 
Echinocardium, 42, 43. 
62. 
Echinodiscus, 5. 11, 12, 
13, 14, 15, 16. 18, 
19, 20. 22, 23, 24. 
Echinodorum, 4. 7. 
Ecbinoglycus, 5. 19.21. 
24. 26. 
Echinolampas, 34, 35. 
Ecbinolampasidse, 33. 
Ecbinonaus, 31. 
Echinonaeus, 31, 
Echinonea, 32. 
Echinoneides, 31. 
Echinoneina, 31. 
Echinoneus, 28. 31. 
Echinorhodum, 35. 
Echinospatangus, 43. 
47. 
