PLATE XI. 



Fig. 1. Drillia nudeata Dall ; 13.5. Page 92. 



" 2. Drillia Verrillii Dall ; 5.5. Page 93. 



•' 3. Drillia lissotropis Dall, young ; 4.5. Page 91. 



•' 4. Drillia lissotropis J)ii\\, a.di\x\t; 1.0. Page 91. 



" 5. Drillia havanensis Dall ; 9.0. Page 93. 



" 6. Drillia lithocolleta Watson, young ; 12.5. Page 95. 



*' 7. Drillia smirna Dall ; 15.0. Page 94. 



** 8. Drillia oleacina DaW ; 10. 0. Page 94. 



" 9. Mangiliapelagia Dall; 10.75. Page 117. 



"10. Leucosyrinx Sigsbeei T>a\l; 25.5. Page 76. 



"11. Mangilia antonia Dall, young ; 7.0. Page 116. 



"12. Mangilia comatotropis Dall ; 6.0. Page 116. 



"13. Pleurotomella leucomataDaW; ld.5. Page 120. 



"14. Mangilia ipara TfaW ; S.5. Page 115. 



" 15. Mangilia quadrata var. monocingulata Dall ; 6.75. Page 114. 



"16. Mangilia quadrata var. ; 7.0. Page 114. 



"17. Mangilia peripla I>d\\ ; ^.0. Page 115. 



"18. Drillia premorraI>a\]] ^.5. Page 93. 



