( 72 ) 
Acantharia, 12. 
Acinetaria, 14, 19. 
Actinophrys, 4, 6. 
Actinosphaerium, 7. 
Agalma, 61. 
Aglaophenia, 47. 
Alcyonaria, 67, 68. 
Alcyonium, 67. 
Amoeba, 1. 
Antennularia, 46, 52. 
Anthomedusae, 43, 56. 
Anthozoa, 67-71. 
Antipatbaria, 69. 
Antipathes, 69. 
Aphanipathes, 69. 
Apbrocallistes, 29. 
Arachnopathes, 69. 
Asconidae, 25. 
Astylus, 54, 56. 
Athecata, 43. 
Aulacantha, 14. 
Aulosphaera, 14. 
Aurelia, 58, 59. 
Bath sponge, 35. 
Bell-animalcule, 17, 18. 
Beroe, 65. 
Biloculina, 10. 
Blood Coral, 54. 
Blood parasites, 14e. 
Boring sponges, 32. 
Bougainvillea, 40, 41, 42, 
Calcarea, 23, 25. 
Calcareous sponges, 23, 
Calligorgia, 68. 
Campanularina, 45. 
Caravella, 63. 
Carchesium, 18. 
Carmarina, 56, 57. 
Carnosa, 25, 31. 
Caulospongia, 32. 
Ceratella, 45. 
Ceratium, 16, 17. 
Cercomonas, 15. 
Ceriantbus, 69. 
Cestus, 65. 
Cbalinid sponges, 34. 
Chitina, 45. 
Chonelasma, 29. 
INDEX. 
i Cboristida, 30. 
j Ciliata, 14, 18. 
Cirripathes, 69. 
j Ckondrilla, 31. 
| Chondrosia, 31. 
j Clathrina, 23, 24, 25. 
Clathrulina, 5, 7. 
I Clavatella, 42, 45. 
Clavularia, 67. 
I Cliona, 32. 
I Coccidia, 14c. 
Codosiga, 16. 
Coenothecalia, 68. 
Comb-jellies, 40, 64. 
Commercial sponges, 36. 
| Coral-like Hydrozoa, 40, 47 
Corallistes, 30. 
Cordylopbora, 44. 
Corticata, 14, 19. 
Cotylorhiza, 59. 
| Covered-eyed Medusae, 55. 
Craniella, 29. 
Cryptohelia, 54. 
; Ctenophora, 40, 64. 
j Cycloclypeus, 9. 
Cydonium, 30. 
Denarosoma, 19. 
j Demospongiae, 25, 29. 
Dictyonina, 29. 
40 Dictyopodium, 13. 
’ ' Didymium, 6. 
Difflugia, 4. 
Diphasia, 38 
Diphyes, 61, 63. 
Discomedusao, 59. 
Distichopora, 54. 
Dorataspis, 13. 
| Echinonema, 32. 
Esperiopsis, 32. 
j Eucyrtidium, 13. 
1 Euplectella, 20, 26, 27. 
i 
! Favia, 70. - 
| Flagellata, 14, 15. 
Fleshy sponges, 31. 
Foraminifera, 3, 7. 
Four-ray sponges, 29. 
Fresh-water Polyp, 38. 
Fresh-water sponges, 32. 
Fuligo, 5. 
Fungus animals, 4. 
Funiculina, 68, 
Geodia, 30, 31. 
Geodine sponges, 30. 
Gerardia, 69. 
I Glass sponges, 24, 26, 27. 
; Globigerina, 9, 10. 
Globigerina ooze, 10. 
Gonium, 15, 16. 
J Gorgonella, 68. 
j Grantia, 26. 
| Gregarina, 14a. 
Gymnoblastea - Anthome- 
dusae, 43. 
Gymnomyxa, 3. 
Halichondria, 20, 21, 22, 23. 
! Haliclystus, 59. 
Haliomma, 11. 
j Halisarca, 37. 
Heliopora, 68. 
| Heliozoa, 3, 6. 
Hexacoralla, 67, 
Hexactinellida, 24, 26. 
Hippospongia, 35, 36. 
Hookerella, 68. 
Hormiphora, 64, 65. 
Horny sponges, 25, 34. 
Hyalonema, 28, 29. 
Hydra, 38, 39, 40. 
Hydractinia, 43, 44, 47, 48. 
Hydrallmania, 46. 
Hydrocorallinae, 40, 47, 
Hydroida, 40, 55. 
Hydroid Zoophytes, 40. 
Hydromedusae, 55, 56. 
Hydrozoa, 38-66. 
Ianthella, 37. 
Infusoria, 14. 
Isis, 68. 
Jelly-fish, 40. 
Juncella, 68. 
