8 ILLUSTRATIONS. 
XXXI. Volutidx of the Eocene layers of the Upper Bed Greensand Marls........... Pm 
XXXII. Volutids of the Eocene layers of the Upper Bed Greensand Marls .-.-.....-- 362 
XXXIII. Cancellariide, Pleurotomidsx, Strombide, and Cyprieide of the Eocene lay- 
ers of the Upper Bed Greensand Marls. ..........---. 22-22. eee ee eee eee 364 
XXXIV. Conidex, Cassididx, Doliidw, Naticide#, Onustide, Solariide, Scalariide, and 
Turritellidz of the Eocene layers of the Upper Bed Greensand Marls.... 366 
XXXV. Pleurotomariide of the Eocene layers of the Upper Bed Greensand Marls.... 368 
XXXVI. Pleurotomariide and Tornatellide of the Eocene layers of the Upper Bed 
Greensand Marls ...-.. ...--- 22-2. eee eee cee eee ene cee ene ener a 370 
XXXVII. Nautilidz of the Lower Bed Greensand Marls........--.........---20 .-- 20 372 
XXXVIII. Nautilide of the Lower and Middle Beds Greensand Marls........-....----- 374 
XXXIX. Nautilid of the Middle Bed Greensand Marls. ....--.. 2-22. .-2--- 2-2 -20e- 376 
XL. Ammonitide of the Lower Bed Greensand Marls..-.... ....-. .-....--------- 378 
XLI. Ammonitid:e of the Lower and Middle Beds Greensand Marls..........-.-- 380 
XLII. Ammonitidx of the Lower Bed Greensand Marls.-....... wee eee we eee eens 382 
XLIII. Ammonitide of the Lower Bed Greensand Marls...-....--.--.- Lane ee ence nee 384 
XLIV. Ammonitide of the Lower Bed Greensand Marls...-.......-.--..--.------- 386 
XLV. Ammonitide of the Lower Bed Greensand Marls........ ence ee cee cee ceeee 388 
XLVI. Ammonitid:e of the Lower and Middle Beds Greensand Marls ..-........... 390 
XLVII. Belemnitidie of the Lower Bed Greensand Marls......-...---.-------.-+--- 392 
XLVIII. Nautilidz of the Eocene layers of the Upper Bec Greensand Marls.... ..-.- 394 
XLIX. Nautilidz of the Eocene layers of the Upper Bed Greensand Marls....-....- 396 
L. Nautilids of the Eocene layers of the Upper Bed Greensand Marls......-.. 398 
Fig. 1. Placenticeras (Sphenodiscus) lenticulare (Owen) Meek ......-.....--.----- +--+ ++ eee. 259 
2, Nautilus Cookana.. 2... 22. 8 oe cee ce ene cen ween cece cee commen cane wens wens cee aces 286 
