PLATE VIL. 
AxverouitTrs Bituinest, Nich. Nat, size. (p. 55.) 
FavositTEs RETICULATA, De Blain. Nat. size. (p. 51.) 
ALVEOLITES RAMULOSA, Nich. Nat size. (p. 55.) 
Atvrouites Senwyntt, Nich. Nat size. (p. 56.) 
FavosirEs puBIA, De Blain. Nat. size. (p. 51.) 
Favosires Cuapmani, Nich. Nat. size. (p. 52.) This figure does not satis- 
factorily exhibit the extreme obliquity of the corallites, and the resulting 
obliquity of the calices. 
FavosirEs poLyMorPHA, Gold. A small fragment. Nat. size. (p. 50.) 
Favosrres Forsest, Edw. & H. Nat. size. (p. 48.) 
