﻿Vol. 66. ~] SPECIES OF AMMONITES AND BRACHIOPODA. 107 



EXPLANATION OF PLATES IX-XII. 

 Plate IX. 



A a 1 e n 



lan: scissum zone. 



1. Burtonia crassornata, sp. nov. (Holotype.) See p. 98. Side view 

 X 0'7. [scissii/71 bed], Burton Bradstock (Dorset). From my father's 

 collection. Pliotogr. J. W. Tntcher. (See also PI. X, fig. 1.) 



B a j o c i a n : post-disc ites zone. 



Figs. 2 & 3. Bradfordia inclusa, sp. nov. (Holotype.) See p. 94.— Fig. 2: 

 Side view, natural size. Fig. 3: Front view. From the Building- 

 Stone, presumably the top layer, Stoke Knap (Dorset). 



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



Iigs. 4&5. CEdania obscura, sp. nov. (Holotype.) Seep. 96. Photogr. Author. 

 Fig 4: Side view, natural size. Fig. 5: Front view (outline). From 

 the upper part, judging by the matrix, of the Fossil Bed of Bradford 

 Abbas (Dorset). 



Plate X. 



A a Ionian: scissum zone. 



Fig. 1. Burtonia crassornata, sp. nov. (See p. 98.) Front view X 07. See 

 also PI. IX, fig. 1. 



B a j o c i a n : Skirbuirn ia Zone. 



Figs. 2 & 3. Shirbuirnia trigonal is, sp. nov. (Para type.) See p. 92. — Fig. 2: 

 Side view (portion) X 080. Fig. 3 : Front view x 061. From the 

 lower part of the Fossil Bed of Sandford Lane, Sherborne (Dorset). 

 Photogr. Miss Buckman. 



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



Figs. 4 & 5. Bradfordia liomphala, sp. nov. (Holotype.) See p. 94. — Fig. 4 : 

 Side view, natural size. Fig. 5 : Front view. From the upper part 

 of the Fossil Bed of Bradford Abbas (Dorset). Photogr. Miss 

 Buckman. 



Fig. 6. Bradfordia costata, sp. nov. (See p. 94 ) Peripheral view. See also 

 PI. XI, fig. 1. 



Plate XL 



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



Fig. 1. Bradfordia costata, sp. nov. (Holotype.) See p. 94. Side view, 

 natural size. From the upper part of the Fossil Bed of Bradford 

 Abbas (Dorset). Photogr. Miss Buckman. (See also PI. X, fig. 6.) 



Figs. 2 & 3. Darellia olio, sp. nov. (Holotype.) See p. 96.— Fig. 2 : Side view, 

 natural size, photogr. Author. Fig. 3 : Outline section. From the 

 Lower Trigonia Grit, Frith Quarry, Painswick (Gloucestershire). 



