Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

Chapter IX. Geographical Distribution, cxlvi

Chapter 4142 wordsPublic domain

" X. Geological Distribution, clxiv

V. Bibliographical Section (§§ 251-254), clxxvi

SYSTEMATIC PART, 1

I. Subclass PORULOSA, 6 Legion I. SPUMELLARIA vel PERIPYLEA, 6 Order 1. Colloidea, 10 " 2. Beloidea, 28 " 3. Sphæroidea, 50 " 4. Prunoidea, 284 " 5. Discoidea, 402 " 6. Larcoidea, 599

Legion II. ACANTHARIA vel ACTIPYLEA, 716 Order 7. Actinelida, 728 " 8. Acanthonida, 740 " 9. Sphærophracta, 795 " 10. Prunophracta, 859

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

GENERAL INTRODUCTION.

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ANATOMICAL SECTION.

A SKETCH OF OUR KNOWLEDGE OF THE ORGANISATION OF THE RADIOLARIA IN THE YEAR 1884.

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