Page:Scientific results HMS Challenger vol 18 part 1.djvu/20

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THE VOYAGE OF THE H.M.S. CHALLENGER.
SECOND PART.
II. Subclass OSCULOSA, 889
Legion III. NASSELLARIA vel MONOPYLEA, 889
Order 11. Nassoidea, 895
" 12. Plectoidea, 898
" 13. Stephoidea, 931
" 14. Spyroidea, 1015
" 15. Botryodea, 1103
" 16. Cyrtoidea, 1126
Legion IV. PHÆODARIA vel CANNOPYLEA, 1521
Order 17. Phæocystina, 1542
" 18. Phæosphæria, 1590
" 19. Phæogromia, 1642
" 20. Phæoconchia, 1710
Note on the Dimensions and Measurements, 1760
ADDENDA, 1761
ERRATA, 1763
INDEX, 1765