INDEX. 



Achramorpha, 30. 



„ glacialis, 31. 



„ grandinis, 32. 



„ nivalis, 33. 



„ table, 2. 



antardicus, Tenthrenodes, 12. 

 Apopyles, defined, 5. 



„ histology, 45. 

 Asceita coriacea, 6. 



., primordialis, 6. 

 australis, Streptoconus, 25. 

 ilanca, Leuconia, 36. 

 Irumalis, Leucandra, 16. 

 Chiactines, 3. 



histology, 46. 

 Ghiphoridae, chiactines in, 25. 

 „ definition, 24. 

 „ new family, 3. 

 cirrata, Leucandra, 18. 

 Glathrina, 2, 6. 



„ coriacea, 6. 

 „ primordialis, 6. 

 Clathrinidae, 2, 6. 

 complicata, Leucosolenia, 6. 

 coriacea, Glathrina (Ascetta), 6. 

 crispatus, Megapogon, 41. 

 cruciferus, Megapogon {Leuconia), 86. 

 cylindrica, Grantiopsis, 35. 

 Dermatreton chartaceum, 22. 

 „ hodgsoni, 23. 



,, table, 2. 



discoveryi, Leucosolenia, 6. 

 Drawing of spicules, 45. 

 Duplicate ova, 6. 

 <?i«rfl!, Leucetta, 14. 

 Excurrent chambers, 5. 

 ,, canals, 5, 45. 

 frigida, Leucandra, 15. 

 fruticosa, Leucetta, 14. 

 Gamma spicules, 7, 9, 46. 

 Gastral cavity, histology, 45. 

 gelatinosa, Leucandra, 17. 

 glacialis, Achramorpha, 31. 

 grandinis, Achramorpha, 32. 

 Grantiidae, 2, 14. 



Grantiopsis cylindrica, 3, 35. 



„ table, 2. 

 Heterocoela, 2, 9. 

 hiberna, Leucandra, 19. 

 Histology, 44. 

 hodgsoni, Dermatreton, 23. 

 Homocoela, 2, 6. 

 Honeycomb pattern, 10. 

 Hypodictyon, definition, 2. 

 „ longstaffi, 27. 



Incurrent canals defined, 5. 

 „ canals, histology, 44. 

 „ chambers defined, 5. 

 Jelly in L. gelatinosa, 17. , 

 leptoraphis var. Leucandra primigenia, 14. 

 Leucaltis pumila, 16. 

 Leucandra, 2, 14. 



Irumalis, 16. 

 cirrata, 18. 

 frigida, 15. 

 gelatinosa, 17. 

 hiberna, 19. 

 primigenia, 14. 

 Leucetta dura, 14. 



„ fruticosa, 14. 

 Leuconia blanca, 36. 



,, criKifera, 36. 

 Leucosolenia, 2, 6. 



„ complicata, 6. 



„ discoveryi, 6. 



„ lieberMhnii, 46. 



„ minchini, 8. 



Leucosoleniidae, 2, 6. 

 lieberMhni, Leucosolenia, 46. 

 " Linked " chambers, definition, 4. 



„ „ in Tenthrenodes, 9. 



„ „ in Dermatreton, 21. 



Megapogon, table, 2. 



,, crispatus, 41. 



„ cricciferus, 35. 



„ pollicaris, 40. 

 „ raripilus, 38. 



„ villosus, 5, 37. 



microraphis var., 14. 

 minchini, Leucosolenia, 8. 



