PL ATE 1 



i. Ammonite 4 .Chamite /.Enlrockite lo.Helioite i3.Murieitc 



c.Astroite . r >.CocMite S.Crlobosite ji.Madreporite H.Muscnttte 



:i.BcIemnite 6.Deiita3ite t q .Grvphite . i^.Moandrite 



rnbli.-!hfd a.- th:> Act directs. Aua.i.j_$u. bv WJiitf & fiichrane. Tleet Stotet. London . 



