cxxxiv INFERIOR OOLITE AMMONITES. 



4. Cotteswoldia egena, 8. Buchnan. Suppl., Plate XXIII, figs. 9 — 11. 



cf. 1885. Ammonites costula, Quenstedt, Amm. Schwab. Jura, PI. liv, fig. 14. 



Description. — Subdistanti-parvicostate, passing to obsoleticostate and striate. 



Distinction. — From 0. costidata, smaller ribs while costate, and early decline to 

 a distinct striate stage. 



Locality and Stratum. — Gloucestershire : Buckholt Wood (Frocester), Cephalopod 

 Bed, upper part (Moorei Beds). 



Date of Existence. — Moorei hemera. 



-5. Cotteswoldia limatula, 8. Buchnan. Plate XXX, figs. 5 — 7 ; Suppl., Fig. 106, 



p. clxv. 

 cf. 1885. Ammonites cf. radians depressus, Quenstedt, Amm. Schwab. Jura, PI. liv, 



fig. 15. 

 1890. G-rammoceras mactra, This Monogr., PI. xxx, figs. 5 — 7; p. 176 (pars). 

 1902. Cotteswoldia limatula, Emend. Amm. Nom., p. 3. 



Description. — Subspissiparvicostate, declining. 



Distinction. — From G. egena, costas are more numerous; the umbilicus has a less 

 definite inner margin. 



Localities and Strata. — Gloucestershire : Frocester Hill, Cephalopoda Bed, upper 

 part (Aalense Beds). Foreign — France : " Le Bernard (Vendee) Lias superieur, 

 Le Moulin Drapeau" (submitted by Mr. C. Chartron). 



6. Cottesavoldia ATTKITA, S. Buchnan. Suppl., Plate XXIII, figs. 12 — 14. 



cf. 1885. Ammonites cf. costula, Quenstedt, Amm. Schwab. Jura, PI. liv, fig. 50. 



Description. — Parvicostate, passing to subirregulari-subobscuricostate, and 

 tending to decline to levigate ; periphery subfastigate ; carina slightly distinct. 



Note. — The figure shows the costse rather too definite and distinct. 



Distinction. — Is a stouter shell with a more definite periphery than any of the 

 preceding species. 



Locality and Stratum. — Gloucestershire: Buckholt Wood (Frocester), Cephalopod 

 Bed, upper part [Moorei Beds). 



Date of Existence. — Moorei hemera. 



II. Costse Connate. 



7. Cotteswoldia supekba, S. Buchman. Plate XXXII, figs. 1, 2; Suppl., Fig. 107, 



p. clxv. 



cf. 1885. Ammonites cf. radians, Quenstedt, Amm. Schwab. Jura, PI. liv, fig. 21. 

 1890. G-rammoceras aalense, This Monogr., PI. xxxii, figs. 1, 2 ; p. 192 (pars). 

 1902. Cotteswoldia superba, Emend. Amm. Nom., p. 3. 



