clx INFERIOR OOLITE AMMONITES. 



Distinction. — From P. gradatum, the concavumbilicus. 



Localities and Strata. — Gloucestershire : Coaley Wood, Bed 7 of Section vi, 

 p. 45, a specimen 113 mm. in diameter ; North Nibley, Cephalopod Bed. 



Date of Existence. — Struchnanni hemera. 



5. PsEUDOLiocEftAS falcidiscus (Queiistedt). 



1885. Ammonites falcodiscus, Quenstedt, Amm. Schwab. Jura, PI. liv, fig. 24 only. 

 1889. Pseudolioceras compactile, This Monogr., p. 85 (pars). 



Distinction. — From P. gradatum, the concavumbilicus, and the carina less 

 definitely separated from the periphery. From P. compactile, the larger umbilicus, 

 and the more distinct costse. 



Locality and Stratum. — Gloucestershire : Stinchcombe Hill, towards base of 

 Cephalopod Bed. 



Date of Existence. — Striatuli, or Struckmanni hemera. 



6. Pseudolioceeas Beyrichi (Schloenbach). Plate XX, figs. 7, 8; Plate A, fig. 22; 



Suppl., Fig. 160, p. clxvii. 



1889. Pseudolioceras Beyrichi, This Monogr., PL xx, figs. 7, 8 ; PI. A, fig. 22 ; 



p. 87 (pars). 



Locality a nd Stratum. — Gloucestershire : Coaley Wood, upper part of Cephalopod 

 Bed. 



Date of Existence. — Aalensis hemera, probably. 



7. Pseudolioceeas replicatum, S. Iluchman. PI. XX, figs. 9, 10. Suppl., Fig. 161, 



p. clxvii. 



1889. Pseudolioceras Beyrichi, This Monogr., PL xx, figs. 9, 10 ; p. 87 (pars). 

 1902. replicatum, Emend. Amm. Nom., p. 5. 



Description. — Gradumbilicate, costatumbilicate, subcostate; and see p. 87. 



Distinction. — From P. Beyrichi, the larger and costate umbilicus ; the less 

 definite costation ; the whorl section. 



Locality and Horizon. — Gloucestershire : North Nibley, Bed 6, Section vii, 

 p. IC. 



Date <>f Existence. — Aalensis hemera. 



