1910 AMMONITES LYTHENSIS 13c 



Comparable Species 

 Am. exaralus ; Phillips, 1820, xiii, 7. 

 Am. concavus ; d'Orbigny, 1845, cxvi. 

 Am. compactilis, Simpson, 1855, 75. 

 Am. beyrichi, Schlcenbach, 1865, xxvii, 4, 

 Harpoceras lythense ; Blake, 1876, 11, 4. 

 H. compactilis ; Id., viii, 6. 

 H. lythense ; Wright, 1882, LXII, 4-6. 

 Am. lythensis ; Quenstedt, 1885, XLiii, 3. 

 Am. lythensis falcatiis ; Id., XLiii, i. 



And see Nos. 10, 11. 



