LOWER CHALK— CHARAdTERlSTiC FOSSILS, 
8 10a 
Lower Chalk Fossils. 
Fig. 8 —Ammonites [Haploceras] Austeni, Sharpe (two-thirds nat. size). 
„ 9—Ammonites [Schloenbachia] varians, Sow. (nat. size). 9n, side 
view ; 96, front view. 
„ 10—Actinocamax plenus, Blainv. (nat. size). 10a, side view; 106, 
apical view. 
„ 11—Avellana cassis, d'Orb. (nat. size). 
„ 12—Solarium bicarinatum, Tiessen (nat. size). 
„ 13— Rhynchonella mantelliana, Soto. (nat. size). 13«, dorsal and 136, 
front view. 
