XVI 



THE VOYAGE OE H.M.S. CHALLENGER. 



II. Abyssal Deposits — 



a. Globigerina Ooze 



b. Pteropod Ooze 



c. Diatom Ooze . 



d. Radiolarian Ooze 

 c. Red Clay 



IV. LIST OF THE KNOWN SPECIES OF RECENT ASTEROIDEA 

 V. SYSTEMATIC INDEX 



VI. INDEX TO AUTHORS ...... 



VII. EXPLANATIONS OF PLATES. 

 VIII. MAP. 



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713 



714 

 714 

 715 

 715 



716 



839 



888 



