LIST OF ILLUSTRATIONS. 



WOODCUTS. 



FIG. PAGE 



1. Asterophyton LiNCKii, Miiller and Troschel. A young speci- 



men slightly enlarged (No. 75) 19 



2. Globigerina bulloides, D'Orbigny. Highly magnified 22 



3. Orbulina tjniversa, D'Orbigny. Highly magnified 23 



4. Caryophyllia borealis, Fleming. Twice the natural size. 



(No. 45) 27 



5. Brisinga coronata, G. 0. Sars. Natural size. (No. 7) 67 



6. Holtenia carpenteri (sp. n.). Half the natural size. (No. 12) 71 



7. Tisiphonia agariciformis (sp. n.). Natural size. (No. 12) ... 74 



8. Gonoplax rhomboides, Fabricius. Young. Twice the natural 



size. (No. 3) 87 



9. Geryon tridens, Kroyer. Young. Twice the natural size. 



(No. 7) 88 



10. Orbitolites tenuissimus, Carpenter MSS. Magnified. (No. 



28) 91 



11. Porocidaris purpurata (sp. n.). Natural size. (No. 47) ... 102 



12. Pourtalesia jeffreysi (sp. n.). Slightly enlarged. (No. 64) 108 



13. Stylocordyla borealis, Loven (sp.). Natural size. (No. 64) 114 



14. Solaster furcifer, Von Duben and Koren. Natural size. 



(No. 55) 119 



15. Korethraster hispidus (sp. n.). Dorsal aspect. Twice the 



natural size. (No. 57) 119 



16. Hymenaster pellucidus (sp. n.). Ventral aspect. Natural 



size. (No. 59) 120 



17. Archaster bifrons (sp. n.). Dorsal aspect. Three-fourths of 



the natural size. (No. 57) 122 



18. Eusirus cuspidatus, Kroyer. (No. 55) 125 



19. Caprella spinosissima, Norman. Twice the natural size. 



(No. 59) 126 



b 



