LIST OF ILLUSTRATIONS.
WOODCUTS.
FIG. PAGE
1. Astrophyton Linckii, Müller and Troschel. A young specimen slightly enlarged (No. 75) 10
2. Globigerina Bulloides, D'Orbigny. Highly magnified 22
3. Orbulina Universa, D'Orbigny. Highly magnified 23
4. Cartophtllia borealis, Fleming. Twice the natural size. (No. 45) 27
5. Brisinga coronata, G. O. Sars. Natural size. (No. 7) 67
6. Holtenia Carpenteri (sp. n.). Half the natural size. (No. 12) 71
7. Tisiphonia Agariciformis (sp. n.). Natural sizo. (No. 12) 74
8. Gonoplax rhomboides, Fabricius. Young. Twice the natural size. 87
9. Geryon Tridens, Kroyer. Young. Twice the natural size. 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
