TAB. XXXIX. 



Fig. 



1. Lima pectiniformis, Schloth. A large specimen, with tubular spines (page 39). 



2. Nucula Menkei, Roe7n. Great Oolite (page 44). See also Tab. XL, fig. 12. 



3. Cucullgea corallina, Lye. Cornbrash (page 43). 



4. 4 a. „ clathrata, Leek. Cornbrash (page 44). 



5. Isoarca Scarburgensis, Lye. Cornbrash (page 45). 



5 a. „ „ Portion of the surface magnified. 



6. 6 a. Trigonia elongata, Sow. Cornbrash (page 46). 



7. Leda Anglica, B'Ord. Cornbrash (page 45). 



