PL.4?.. 
] . XAUTILiTS HEXAGONCS . 2. AMMONITE S EXCAVATITS. 3 . AMMONITES CATENA. 4. 5. 6 . AMMONITES NARIC O SUS . 5 . 0 . Emgments of fig. 4 . 
7. AMMONITES NARIOCOSTATIts . Z(3tter.sc. 
I.Fislier, del . 
