cxlviii 



INFERIOR OOLITE AMMONITES. 



Distinction. — From Gram, fallacies am, Bayle, slight lateral flexure of costse, less 

 distinct costse, more oligogyral character of the inner whorls. From P. 

 pedicum, smaller, more closely set costse, slightly thinner whorls. 



Remarks. — The ribs are slightly flexed laterally. They are more distinct than 

 shown in Plate XXXIII, fig. 17. 



Localities and Strata. — Gloucestershire : Coaley Wood, Bed 8, p. 45 (by 

 matrix) ; Stinchcombe and Cam Down, lower part of Cephalopod Bed. Somerset : 

 White Lackington, Upper Lias — 'Quart. Journ. Geol. Soc.,' vol. xlv, p. 450 (1889), 

 1 ft. 7 in. from top of Bed 4. Foreign. — France : " Milhau, Lias superieur " 

 (Sturtz). 



10. Pseudogrammoceras expeditum, S. BucJcman. PL XXXIV, figs. 10, 11 ; 



PI. XXXV, fig. 7 ; Suppl., 

 Fig. 142 in text (Type). 

 1890. Grammoceras fallaciosum, var. CotteswoldijE, This Monogr., PL xxxiv, 



figs. 10, 11 ; PI. xxxv, fig. 7. 

 1902. Pseudogrammoceras expeditum, Emend. Amm. Nom.. p. 4. 

 1902. Harpoceras fallaciosum, var. Cotteswoldls:, Janensch, Jur. Elsass ; 



PI. vii, fig. 1. 



Description. — Platyleptogyral, 

 subangustumbilicate, spissicostate. 



Remarks. — Compressed flat- 

 sided whorls and a rapid increase 

 in the diameter of the shell are 

 particular features of this species. 



Distinction. — From P. pedicum 

 and I'. subfallaciosum, smaller 

 umbilicus. 



Localities and Strata. — Glou- 

 cestershire, Stinchcombe, Cephalo- 

 pod Bed; Coaley Wood: Bed 8, 

 p. 45. Somerset : Maes Knoll 

 (Dundry), Bed 7 — ' Quart. Journ. 

 52, p. 687. Foreign: "Avec G. striatulum, Tilly-s.-Seulles " 

 Milhau, Aveyron, Lias superieur " (Sturtz). 



Geol. 

 (Dr. I 



142. Psevdogrammoceras expeditum 

 ',, side view ; b, sectional view. 



Soc.,' vol 



Brasil) ; 



11. Pseudogrammoceras Stkuckmanni (Denckmann). Suppl., Fig. 143, p. clxvii. 



1883. Harpoceras radians, Wright (non Reinecke), Monogr. Lias Ammonites, 



PI. lxxiv, figs. 1, 2. 

 1887. Ammonites Struckmanni, Denckmann, Fauna von Doernten, PI. iii, fig. 1, 



p. 72. 



