H Transactions of the Society. 



List showing the Number and Eange of Size of the different forms 



h^O 



»- o 

 8 « 



Zone of Hdlaslir subglobosus. 



Dover 



Durdle Cove, Dorset Coast ..... 



Zone of Blnjnclonella Cuvieri. 



Dover 



Bransconrbe and Berry Cliff, S. Devon Coast . 



Zoue of Tercbralulina gracilis. 



Dover, East Cliffs 



Dover, West Cliffs 



Seaton, S. Devon Coast 



Flamborough, Yorkshire Coast 



Zone of Holaster planus. 



Dover, East Cliffs 



S. Devon Coast 



Zone of Micraster cor-testudinarium. 



Chatham 



Dover, East Cliffs . . 



Seafoid Head and Newhaven 



S. Devon Coast 



Zone of Micraster cor-anguinum. 



Gravcsend . . . ! 



Chatham 



Thanet Coast 



Dover, St. Margaret's 



Dorset Coast 



S. Devon Coast 



South Croydon, Avondale Hoad 



Croydon, near 



Flamborough, Yorkshire Coast 



Zone of Marsupiles testudinarius. 

 Uintacrinvs Band. 



Thanet Coast 



Margate 



Flam borough . 



Marsupiles Band. 



Sussex Coast 



Dorset Coast 



Sewcrby, Yorkshire Coast 



Zone of Actinocamax quadratus. 



Seaford Head and Newhaven 



Sussex Coast 



Brighton, East of pumping station .... 



Isle of Wight, Bcratchells Bay 



Dorset Coast 



Winchester 



Sewerby 



Zone of Belemnitella mucronata. 



Ballard Cliff and Studland Bay, Dorset Coast 

 Sheringham, Weybourne, Overstraud, Norfolk 



rnmmgham, Norfolk Coast 



Norwich, near, Cation Pit 



Zones unknown. 



Surrey and Kent 



Hampshire and Wiltshire 



Borosphxra 

 gldbularis. 



8 ('2-4 mm.) 

 12 (1 -5-5 mm ) 



34 (2-4 mm.) 



43 (2-7 mm.) 



2 (2 mm.) 



20 (3-7 mm.) 

 6 (3-4 mm.) 



18 (2-4 mm.) 



50 (2-9 mm.) 



266 (1-15 mm.) 



3 (6-9 mm.) 

 51 (2-14 mm.) 



579 (4-27 mm.) 



33 (1-5-25 mm.) 



77 (3-13 mm.) 



35 (7-23 mm.) 



429 (2-5-34 mm.) 



35 (2-13 mm.) 



7 (13-31 mm.) 



1 (2 mm.) 



53 (2-5-12 mm.) 



72 (3-17 mm.) 



12 (9-23 mm.) 



181 (2-5-13 mm.) 



56 (2-5-9 mm.) 



166 (2-5-15 mm.) 



62 (6-24 mm.) 



6 (7-24 mm.) 



16 (2-12 mm.) 



1 (14 mm.) 



5 (1-12 mm.) 



6 (1- 15 mm.) 



rorosph&ra 

 nuciformis. 



3(9-1 



5 (7-9 mm.) 



3 mm.) 



28 (6-20 mm.) 

 2 (7-9 mm.) 



36 (4-15 mm.) 

 25 (5-20 mm.) 

 4 (5-13 mm.) 



1 (12 mm.) 



1 (13 mm.) 



3 (5-10 mm.) 



69 (5-14 mm.) 

 14 (7-14 mm.) 

 20 (4-9 mm.) 

 8 (4-14 mm.) 



5(7-l*2mm0 j 

 8 (6-10 mm.) 



23 (5-12 mm.) 

 2 (6, 7 mm.) 



