﻿108 ME. S. S. BUCKMAN ON CERTAIN JURASSIC [Feb. I9IO, 



B a j o c i a n : sauzei zone. 



Figs. 4-6. Sonninia subtrigonata, S. Buckman. (Holotype.) See p. 93. — Fig. 4: 

 Side view, natural size. Fig. 5 : Front view. Fig. 6 : Portion of 

 peripheral view, to show alticarina:— all photogr. J. W. Tutcher. 

 From the upper part of the Fossil Bed, Sand ford Lane, Sherborne 

 (Dorset). 



Fig. 7- CKcotraiistes spiniger, sp. nov. (Holotype.) See p. 95. Side view. 

 From the Marl Bed with green grains, Frogden Quarry, Oborne 

 (Dorset). Photogr. Miss Buckman. 



Plate XII. 



[All the figures in this Plate are reproduced from photographs by 

 Mr. J. W. Tutcher, and are of the natural size.] 



B a t h o n i a n : fusca zone. 



Figs. 1 & 2. Aulacothyris cuacllata, sp. nov. (See p. 102.) Holotype, from the 

 clay (Fullers' Earth) immediately above the Inferior Oolite limestone 

 {zigzag), Grange Quarry, Broad Windsor (Dorset). 



Bathonian: circa schlanbachi zone. 



Figs. 3 & 4. Zeilleria liugulata, sp. nov. (See p. 103.) Holotype, from the ' Top 



Beds,' Broad Windsor (Dorset). 

 Figs. 5 & 6. Terebratula stibara, sp. nov. (See p. 100.) Holotype, from the 



' Top Beds ' of Orewkerne Station (Somerset). 

 Figs. 7 & 8. Terebratula vinneyensis, Walker MS. (See p. 100.) Lectotype, 



one of his syntypes, from the ' Top Beds/ schlcenbachi or truellii 



zone, Vetney (Vinney) Cross, near Bridport (Dorset). Collection of 



Mr. J. W. D. Marshall. 



B a j o c i a n : blagdeni zon e. 



Figs. 9 & 10. Terebratula, loivensis, nom. nov. (See p. 99.) Holotype, from 

 the Irony Bed of Louse Hill, near Sherborne (Dorset). 



B a j o c i a n : circa sauzei zone. 



Figs. 11 & 12. Terebratula burtonensis, sp. nov. (See p. 99.) Holotype, from 

 the Red Beds of Burton Bradstock. 



A a 1 en i a n : scissum-opaliniforme zone. 



Figs. 13 & 14. Zeilleria wkaddonensis, sp. nov. (See p. 102.) Holotype, from 

 the Sandy Grits of the roadside ascent of Stoke Knap (Whaddon Hill), 

 Broad Windsor (Dorset). 



Figs. 15 & 16. TerebraUcla wkaddonensis, nom. nov. (See p. 101.) Holo- 

 type from the same strata and locality. 



Figs. 17 & 18. Terebratula arenaria, sp. nov. (Seep. 102.) Holotype from the 

 same strata and locality. 



Aalenian: aalensis zone. 



Figs. 19 & 20. Bhynchonella pentaptycta, sp. nov. (See p. 103.) Holotype, 

 from the Bridport Sands with Canavarina. See section I, p. 64. 

 Ascent of Chideock Quarry Hill, Bridport (Dorset^. 



