ILLUSTRATIONS. 
Page. 
PLATE I. Muricidz of the Lower Bed Greensand Marls...... 2... ---- 202-222) eee eee 300 
II. Muricids of the Lower Bed Greensand Marls_....--.---2-.---.------------ 302 
III. Muricidz of the Lower Bed Greensand Marls..-....----..----------------- 304 
IV. Muricidxw of the Lower Bed Greensand Marls......-...-2..---.-.---------. 306 
V. Muricide and Fasciolariide of the Lower Greensand Marls ..-...-.---..... 308 
VI. Fusida and Fasciolariide of the Lower Greensand Marls. .........--...---. 310 
VII. Fasciolariidz of the Lower Greensand Marls..-..-...-- we cece ee cece ee ce enne 312 
VIII. Fasciolariid# of the Lower Greensand Marls..........-.2. 2.2.22 eee eee 314 
IX. Fasciolariida, Tritonide and Turbinellid of the Lower Greensand Marls.. 316 
X. Volutidae of the Lower Greensand Marls.. - cee eee cee eee cee eee eee ee 318 
XI. Volutids and Mitride of the Lower Greensand Marls ..........2---..-22-2-. 320 
XII. Cancellariidse of the Lower Greensand Marls..... 2... 2... 5..--2---0---.---- 322 
XIII. Pleurotomidx and Strombide of the Lower Greensand Marls.......-....... 324 
XIV. Strombide of the Lower Greensand Marls ........---- wee cee eee cee cee eee . 326 
XV. Cypreidex, Doliidx, and Naticide of the Lower Greensand Marls...... -... 328 
XVI. Naticidz of the Lower Greensand Marls ...... .----. 22-2. ee eee eee eee eee. . 330 
XVII. Trochidx, Onustide and Littorinide of the Lower Greensand Marls.. ....-. 332 
XVIII. Scalariide, Turritellida, and Vermetide of the Lower Greensand Marls.... 334 
XIX. Eulimide, Pyramidellidz, Patellida, and Tornatellidie of the Lower Green- 
; " gand Maris .... 2-222 cee eee cece cece ee cee eee cee eee cee cee eee ceee teceeee 336 
XX. Tornatellidw, Cylichnide, Bullide, and Dentaliid of the Lower Greensand 
Marls ...... 2-2-2 ee ee en ec ne ne ee ee ce eee cee eee ee 338 
XXI. Muricide, Volutidx, and Naticidze of the Middle Bed Greensand Marls ..... 340 
XXII. Scalariids and Pleurotomariide of the Middle Bed Greensand Marls......-- 342 
XXIII. Turbinellids, Volutide, Pleurotomidie, Strombide, Turritellida, Plenroto- 
mariidz, and Bullidw from the base of the Upper Bed Greensand Mars. 344 
XXIV. Muricidxw, Tritonide, Purpuride, and Fusidw of the Eocene layers of the 
Upper Bed Greensand Marls..-.-.-.-.----------- ------ +--+ -----+ e+e 346 
XXV. Fusidsx of the Eocene layers, Upper Bed Greensand Marls ......--...-..---- 343 
XXVI. Fusidew and Fasciolariids of the Eocene layers of the Upper Bed Greensand 
Marls...--. 2-2-6 eee een ce ene come ee nee ween Fee ee cee ee eee 300 
XXVII. Fasciolariids of the Eocene layers of the Upper Bed Greensand Marls .... -. 302 
XXVIII. Fasciolariide of the Eocene layers of the Upper Bed Greensand Marls...... 354 
XXIX. Turbinellide of the Eocene layers of the Upper Bed Greensand Marls....... 356 
XXX.. 
Volutidx of the Eocene layers of the Upper Bed Greensand Marls.-...----. . 308 
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